Liabilities / Assets
92nd percentile
Higher debt load relative to assets than 92% of similar nonprofits.
EIN 88-0775003 • 501(c)3 • Westbury, NY
Profile
Marcus ave ob-gyn, pc is part of northwell health, inc. ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the current and future generations of healthcare professionals; searching for new advances in medicine through the conduct of biomedical research; promoting health education; and caring for the entire community regardless of the ability to pay.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
92nd percentile
Higher debt load relative to assets than 92% of similar nonprofits.
Liabilities / Revenue
88th percentile
Higher debt load relative to revenue than 88% of similar nonprofits.
Net Margin
62nd percentile
Higher net margin than 62% of similar nonprofits.
Top Officer Pay
69th percentile
Higher top officer pay than 69% of similar nonprofits.
Asset Growth
100th percentile
Faster asset growth than 100% of similar nonprofits.
Revenue Growth
Score unavailable
A valid growth rate could not be computed from the available filing history.
Assets
Up$6,149,528
Up $6,149,528 from 2023
Liabilities
Up$5,734,330
Up $5,734,330 from 2023
Net Assets
Up$415,198
Up $415,198 from 2023
Revenue
Up$3,862,021
Up $3,862,021 from 2023
Expenses
Up$3,446,823
Up $3,446,823 from 2023
Net Income
Up$415,198
Up $415,198 from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Marcus ave ob-gyn, pc is part of northwell health, inc. ("northwell"), which strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care; educating the current and future generations of healthcare professionals; searching for new advances in medicine through the conduct of biomedical research; promoting health education; and caring for the entire community regardless of the ability to pay.
Marcus ave ob-gyn, pc strives to improve the health of the communities it serves and is committed to providing the highest quality clinical care.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $0 | $353,952 | ▲ $353,952 |
| Cash and Non-Interest-Bearing Accounts | $0 | $0 | → $0 |
| Savings and Temporary Cash Investments | $0 | $0 | → $0 |
| Accounts Receivable | $0 | $0 | → $0 |
| Other Notes and Loans Receivable, Net | $0 | $0 | → $0 |
| Pledges and Grants Receivable | $0 | $0 | → $0 |
| Receivable From Disqualified Prsn | $0 | $0 | → $0 |
| Receivables From Officers Etc | $0 | $0 | → $0 |
| Investments Other Securities | $0 | $0 | → $0 |
| Investments Program Related | $0 | $0 | → $0 |
| Investments in Publicly Traded Securities | $0 | $0 | → $0 |
| Intangible Assets | $0 | $0 | → $0 |
| Inventories for Sale or Use | $0 | $0 | → $0 |
| Loans From Officers Directors | $0 | $0 | → $0 |
| Prepaid Expenses and Deferred Charges | $0 | $0 | → $0 |
| Total Assets | $0 | $6,149,528 | ▲ $6,149,528 |
| Other Assets Total | $0 | $5,795,576 | ▲ $5,795,576 |
| Liabilities | |||
| Other Liabilities | $0 | $4,413,775 | ▲ $4,413,775 |
| Accounts Payable and Accrued Expenses | $0 | $1,320,555 | ▲ $1,320,555 |
| Grants Payable | $0 | $0 | → $0 |
| Mortgage Notes Payable Secured by Investment Property | $0 | $0 | → $0 |
| Unsecured Notes Loans Payable | $0 | $0 | → $0 |
| Deferred Revenue | $0 | $0 | → $0 |
| Escrow Account Liability | $0 | $0 | → $0 |
| Tax Exempt Bond Liabilities | $0 | $0 | → $0 |
| Total Liabilities | $0 | $5,734,330 | ▲ $5,734,330 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $0 | $415,198 | ▲ $415,198 |
| Net Assets With Donor Restrictions | $0 | $0 | → $0 |
| Total Net Assets Fund Balance | $0 | $415,198 | ▲ $415,198 |
| Total Liabilities and Net Assets / Fund Balance | $0 | $6,149,528 | ▲ $6,149,528 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $352,009 | $39,629 | $391,638 |
| Buildings | $1,943 | $102 | $2,045 |
| Other Assets Org | $4,347,857 | - | - |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Christine Duncan Md | Obgyn | FT | $196,078 | $20,217 | $216,295 |
| Marci Ostroff Md | Obgyn | FT | $66,278 | $92,106 | $158,384 |
| Marni Sanders Md | Obgyn | FT | $114,275 | $34,916 | $149,191 |
| Name | Title |
|---|---|
| Michael Nimaroff | President, Secretary & Treasur |
| Laurence Kraemer | Asst Sec, EVP & Gen Counsel |
| Michael Dowling | CEO |
| Michele Cusack | CFO |
| Deborah Schiff | Evp |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $2,278,006 |
| Other Expenses | $1,168,817 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $1,715,128 | $190,570 | - | $1,905,698 |
| Insurance | $338,307 | - | - | $338,307 |
| Occupancy | $280,439 | $31,160 | - | $311,599 |
| Office Expenses | $156,965 | $17,440 | - | $174,405 |
| Other Employee Benefits | $150,844 | $16,760 | - | $167,604 |
| Other Expenses | $123,546 | $13,727 | - | $137,273 |
| Payroll Taxes | $120,975 | $13,442 | - | $134,417 |
| Pension Plan Contributions | $63,258 | $7,029 | - | $70,287 |
| Depreciation Depletion | $35,758 | $3,973 | - | $39,731 |
| Fees for Services Other | $10,877 | $1,208 | - | $12,085 |
| Conferences and Meetings | $1,350 | - | - | $1,350 |
| Total Functional Expenses | $3,151,057 | $295,766 | $0 | $3,446,823 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $3,447,798 |
| Total Expenses per Audited Statements | $3,447,798 |
| Total Expenses per Form 990 | $3,446,823 |
| Expenses Not Reported on Financial Statements | $-975 |
| Other Expense Adjustments | $-975 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $0 |
| Fundraising Gross Income | $0 |
| Gaming Direct Expenses | $0 |
| Gaming Gross Income | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Loans from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Receivables from Disqualified Persons | $0 | $0 | → $0 |
| Receivables from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Liability | Amount |
|---|---|
| Operating Lease Liability | $4,347,857 |
| Deferred Rent Liability | $65,918 |
“Northwell healthcare, inc. ("northwell healthcare") is the sole corporate member of the organization. Northwell healthcare has the right to elect or appoint member of the organization's governing body and has the right to approve or ratify certain corporate decisions. This organization and northwell healthcare are part of northwell health, inc., an integrated health care delivery system.”
“The annual return of organization exempt from income tax (form 990) for northwell health, inc. And affiliated entities are prepared with input from various departments including corporate compliance, finance, human resources, and legal. Before filing the returns, the documents are electronically made available to all trustees through a secure online portal. Members of the executive committee are then informed the returns are ready for review. The executive committee, which is a committee made up of members from the board of trustees, may exercise all of the authority of the board of trustees except as such authority is limited by applicable law and except to the extent, if any, that such authority would be inconsistent with any provision of these by-laws or is limited by any resolution to such effect adopted by the board of trustees.”
“Northwell Health, Inc. ("Northwell") has several control mechanisms to mitigate conflicts of interest. Northwell's Code of Ethical Conduct contains a detailed section educating individuals about how to avoid potential conflicts of interest. Specifically, our Code of Ethical Conduct requires individuals to conduct Northwell business in a manner that places the interests of Northwell ahead of their personal interests. In addition, Northwell has a Conflicts of Interest Policy Statement further elaborating upon individuals' disclosure and recusal obligations. Individuals that are in a position to influence the business or other decisions of Northwell are required to fill out a conflicts of interest disclosure form on a regular basis. The Corporate Compliance Office reviews all disclosures of possible conflicts, including matters disclosed in any conflicts of interest disclosure report and takes any actions deemed required or appropriate to manage or resolve any actual or potential conflicts of interest. In appropriate cases these disclosures and responsive actions will be reported to Northwell's Audit and Corporate Compliance Committee and other applicable committees. In addition, Northwell provides training to individuals on an annual basis regarding conflicts of interest and other compliance related topics. If an individual violates the Code of Ethical Conduct or any related policy such as the Conflicts of Interest Policy Statement, appropriate disciplinary action is taken based upon the facts and circumstances of the situation.”
“The by-laws of Northwell Health, Inc. ("Northwell") create a committee of the board with full powers of the board to review and approve the compensation of officers and other key employees. The committee consists of approximately 6 trustees who have no connection to Northwell except as trustees and they have no conflicts as to matters they consider. The committee meets several times a year as needed but always meets in November/December to review and determine officer and key employee compensation for the following year. For purposes of their review the committee considers the recommendations of the CEO for all persons other than the CEO. For purposes of the review each year the committee receives information from an outside independent compensation consultant as to compensation for comparable positions in comparable organizations and makes its decisions on this basis, with the overall objective of paying base salary at the 50th percentile. Any contracts or other compensation for officers or key employees are separately considered and normally only approved after receipt of a "fairness opinion" from the independent consultant. All the work and process of the committee is structured to fall within the applicable safe harbor regulations.”
“Currently the organization provides governance documents, conflict of interest policies and financial statements to the public upon request.”
“This organization is affiliated with Northwell Health, Inc. ("Northwell"). The Officers, Directors and Trustees listed on Schedule J hold similar positions with both this organization and other affiliates of Northwell, and they do not separately allocate their time to this organization and such other affiliates. The hours shown for all such persons reflect time devoted to Northwell and its affiliates, including this organization. For Directors and Trustees, the hours shown reflect the estimated average weekly time. For officers, Key Employees and Highest Compensated Employees, the hours shown reflect the weekly hours used when determining compensation payments for services rendered and are, generally, less than the actual weekly hours devoted to Northwell and its affiliates.”
“Certain entities included in Northwell's consolidated financial statements are taxable entities under federal or state laws. GAAP requires that the asset and liability method of accounting for income taxes be utilized by these organizations and for unrelated business activities of the tax-exempt entities included in Northwell's consolidated financial statements. Under the asset and liability method, deferred income taxes are recognized for the tax consequences of temporary differences by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts and the tax basis of existing assets and liabilities. At December 31, 2024 and 2023, Northwell has net deferred tax assets of approximately $189,000,000 and $170,000,000, respectively, which have been fully offset by a related valuation allowance. The deferred tax asset and related valuation allowance are recorded within other current assets in the accompanying consolidated statements of financial position. A valuation allowance is provided when it is more likely than not that some portion or all of a deferred tax asset will not be realized. Significant components of Northwell's deferred tax assets relate to net operating loss (NOL) carryforwards. Certain entities have NOL carryforwards aggregating approximately $643,000,000 and $573,000,000 at December 31, 2024 and 2023, respectively. NOL carryforwards generated prior to 2018 will expire in varying amounts through 2037 and are available to offset future taxable income of the respective entity. NOLs generated after 2017 can be carried forward indefinitely, but with limitations on their usage.”
“Revenue on books, not on return additional minimum pension liability 975 total 975”
“Expense on return not on books additional minimum pension liability (975) total (975)”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1320555 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 0 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | MARCUS AVE OB-GYN, PC STRIVES TO IMPROVE THE HEALTH OF THE COMMUNITIES IT SERVES AND IS COMMITTED TO PROVIDING THE HIGHEST QUALITY CLINICAL CARE. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | NORTHWELL HEALTH INC |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5163216058 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 972 BRUSH HOLLOW RD 5TH FL |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WESTBURY |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 11590 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1350 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1350 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | true |
| IRS990/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 1168817 |
| IRS990/CYOtherRevenueAmt | 0 | 949422 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 2912599 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 415198 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 2278006 |
| IRS990/CYTotalExpensesAmt | 0 | 3446823 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 3862021 |
| IRS990/DAFExcessBusinessHoldingsInd | 0 | false |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 0 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 3973 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 35758 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 39731 |
| IRS990/Desc | 0 | MARCUS AVE OB-GYN, PC IS AN AFFILIATED MEMBER OF NORTHWELL HEALTH, INC. ("NORTHWELL") AND PART OF NORTHWELL'S MEDICAL GROUP AND AMBULATORY LINES OF SERVICE. IT STRIVES TO MAKE A MEASURABLE DIFFERENCE IN THE HEALTH STATUS OF THE COMMUNITIES IT SERVES BY PROVIDING COMPREHENSIVE HEALTH CARE REGARDLESS OF ABILITY TO PAY. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DistributionToDonorInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 30 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 3151057 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 1208 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 10877 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 12085 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 50.0 |
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| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 85322 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 69777 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 69777 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 78176 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 19319 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 16041 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 34916 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MICHAEL DOWLING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MICHELE CUSACK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | DEBORAH SCHIFF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | LAURENCE KRAEMER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | MICHAEL NIMAROFF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | CHRISTINE DUNCAN MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | MARCI OSTROFF MD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MARNI SANDERS MD |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 142343 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 114275 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 1904871 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 1784891 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 1607684 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 1210911 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | EVP |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Asst Sec, EVP & Gen Counsel |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | President, Secretary & Treasur |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | OBGYN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | OBGYN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | OBGYN |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2022 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/FundraisingDirectExpensesAmt | 0 | 0 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GamingDirectExpensesAmt | 0 | 0 |
| IRS990/GamingGrossIncomeAmt | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 1 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 3862021 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 0 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 3 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 338307 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 338307 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 8 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 39731 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 353952 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 393683 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | MARCUS AVE OB-GYN, PC IS PART OF NORTHWELL HEALTH, INC. ("NORTHWELL"), WHICH STRIVES TO IMPROVE THE HEALTH OF THE COMMUNITIES IT SERVES AND IS COMMITTED TO PROVIDING THE HIGHEST QUALITY CLINICAL CARE; EDUCATING THE CURRENT AND FUTURE GENERATIONS OF HEALTHCARE PROFESSIONALS; SEARCHING FOR NEW ADVANCES IN MEDICINE THROUGH THE CONDUCT OF BIOMEDICAL RESEARCH; PROMOTING HEALTH EDUCATION; AND CARING FOR THE ENTIRE COMMUNITY REGARDLESS OF THE ABILITY TO PAY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 415198 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 415198 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 31160 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 280439 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 311599 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 17440 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 156965 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 174405 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 5795576 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 16760 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 150844 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 167604 |
| IRS990/OtherExpensesGrp/Desc | 0 | PURCHASED SERVICES |
| IRS990/OtherExpensesGrp/Desc | 1 | DUES & SUBSCRIPTIONS |
| IRS990/OtherExpensesGrp/Desc | 2 | BILLING & COLLECTION |
| IRS990/OtherExpensesGrp/Desc | 3 | OTHER EXPENSES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 457 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 13727 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 91473 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 4118 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 58019 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 123546 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 91473 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 4575 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 58019 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 137273 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 4413775 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | AFFILIATE SUPPORT |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 949422 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 949422 |
| IRS990/OtherRevenueTotalAmt | 0 | 949422 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 190570 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 1715128 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 1905698 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/OthNotesLoansReceivableNetGrp/BOYAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 13442 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 120975 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 134417 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 7029 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 63258 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 70287 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | MICHELE L CUSACK |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 621300 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 621300 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | PHYSICIAN PRACTICE REVENUE |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | MEDICARE/MEDICAID |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 2419225 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 493374 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 2419225 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 493374 |
| IRS990/ProgramServiceRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 0 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 0 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 0 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 0 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 0 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 0 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 415198 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | true |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 2912599 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | true |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | true |
| IRS990ScheduleA/IRSWrittenDeterminationInd | 0 | X |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 111562701 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 3 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | NORTH SHORE UNIVERSITY HOSPITAL |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 0 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 1943 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 102 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 2045 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 352009 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 39629 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 391638 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | -975 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 3447798 |
| IRS990ScheduleD/FederalIncomeTaxLiabilityAmt | 0 | 0 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 1447719 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 1 | 4347857 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | DUE FROM AFFILIATE |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 1 | RIGHT OF USE ASSETS |
| IRS990ScheduleD/OtherExpensesNotIncludedAmt | 0 | -975 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 4347857 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 65918 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | OPERATING LEASE LIABILITY |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | DEFERRED RENT LIABILITY |
| IRS990ScheduleD/OtherRevenueAmt | 0 | 975 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 975 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 3862021 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | Certain entities included in Northwell's consolidated financial statements are taxable entities under federal or state laws. GAAP requires that the asset and liability method of accounting for income taxes be utilized by these organizations and for unrelated business activities of the tax-exempt entities included in Northwell's consolidated financial statements. Under the asset and liability method, deferred income taxes are recognized for the tax consequences of temporary differences by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts and the tax basis of existing assets and liabilities. At December 31, 2024 and 2023, Northwell has net deferred tax assets of approximately $189,000,000 and $170,000,000, respectively, which have been fully offset by a related valuation allowance. The deferred tax asset and related valuation allowance are recorded within other current assets in the accompanying consolidated statements of financial position. A valuation allowance is provided when it is more likely than not that some portion or all of a deferred tax asset will not be realized. Significant components of Northwell's deferred tax assets relate to net operating loss (NOL) carryforwards. Certain entities have NOL carryforwards aggregating approximately $643,000,000 and $573,000,000 at December 31, 2024 and 2023, respectively. NOL carryforwards generated prior to 2018 will expire in varying amounts through 2037 and are available to offset future taxable income of the respective entity. NOLs generated after 2017 can be carried forward indefinitely, but with limitations on their usage. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | REVENUE ON BOOKS, NOT ON RETURN ADDITIONAL MINIMUM PENSION LIABILITY 975 TOTAL 975 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 2 | EXPENSE ON RETURN NOT ON BOOKS ADDITIONAL MINIMUM PENSION LIABILITY (975) TOTAL (975) |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2 |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | PART XI, LINE 2D - RECONCILIATION OF REVENUE |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | PART XII, LINE 4B - RECONCILIATION OF EXPENSE |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 353952 |
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