Civic Intelligence

Society of Neurointerventional Surgery

EIN 36-3836229 • 501(c)6 • Fairfax, VA

View Organization Page

Profile

The society is organized and operated exclusively to promote excellence in patient care, provide education, support research, influence health care policy, and foster growth of neurointerventional surgical procedures throughout the united states.

12587 Fair Lakes Circle 353Fairfax, VA 22033

www.snisonline.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

45th percentile

0.18x

Higher debt load relative to assets than 45% of similar nonprofits.

501(c)6 • $5M-$10M nonprofits • Source year 2024

Liabilities / Revenue

48th percentile

0.28x

Higher debt load relative to revenue than 48% of similar nonprofits.

501(c)6 • $5M-$10M nonprofits • Source year 2024

Net Margin

31st percentile

-0.3%

Higher net margin than 31% of similar nonprofits.

501(c)6 • $5M-$10M nonprofits • Source year 2024

Top Officer Pay

47th percentile

$265,314

Higher top officer pay than 47% of similar nonprofits.

Top officer pay equals 5.3% of source-year revenue.

501(c)6 • $5M-$10M nonprofits • Source year 2024

Asset Growth

42nd percentile

3.2%

Faster asset growth than 42% of similar nonprofits.

501(c)6 • $5M-$10M nonprofits • Annualized from 2023 to 2024

Revenue Growth

9th percentile

-14%

Faster revenue growth than 9% of similar nonprofits.

501(c)6 • $5M-$10M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets45th percentile

Assets

Up

$7,824,550

Up $243,664 (+3.2%) from 2023

Liabilities

Down

$1,411,622

Down $15,973 (-1.1%) from 2023

Net Assets

Up

$6,412,928

Up $259,637 (+4.2%) from 2023

Operations
Liabilities / Revenue48th percentileNet Margin31st percentile

Revenue

Down

$5,013,221

Down $822,129 (-14%) from 2023

Expenses

Up

$5,029,861

Up $41,625 (+0.8%) from 2023

Net Income

Down

-$16,640

Down $863,754 (-102%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth42nd percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$8.0M$6.0M$4.0M$2.0M$0Assets 2010: $2,010,658Liabilities 2010: $376,683Net Assets 2010: $1,633,9752010Assets 2011: $2,209,785Liabilities 2011: $435,183Net Assets 2011: $1,774,6022011Assets 2012: $2,518,143Liabilities 2012: $499,667Net Assets 2012: $2,018,4762012Assets 2013: $2,643,953Liabilities 2013: $508,218Net Assets 2013: $2,135,7352013Assets 2014: $2,983,588Liabilities 2014: $576,067Net Assets 2014: $2,407,5212014Assets 2015: $3,263,640Liabilities 2015: $652,767Net Assets 2015: $2,610,8732015Assets 2016: $3,316,063Liabilities 2016: $674,090Net Assets 2016: $2,641,9732016Assets 2017: $3,252,806Liabilities 2017: $689,516Net Assets 2017: $2,563,2902017Assets 2018: $3,690,120Liabilities 2018: $834,102Net Assets 2018: $2,856,0182018Assets 2019: $4,352,671Liabilities 2019: $889,985Net Assets 2019: $3,462,6862019Assets 2020: $5,488,590Liabilities 2020: $1,103,697Net Assets 2020: $4,384,8932020Assets 2021: $7,065,551Liabilities 2021: $1,574,855Net Assets 2021: $5,490,6962021Assets 2022: $6,422,847Liabilities 2022: $1,479,766Net Assets 2022: $4,943,0812022Assets 2023: $7,580,886Liabilities 2023: $1,427,595Net Assets 2023: $6,153,2912023Assets 2024: $7,824,550Liabilities 2024: $1,411,622Net Assets 2024: $6,412,9282024

Highlighted filing

2024

Assets$7,824,550
Liabilities$1,411,622
Net Assets$6,412,928
Open 2024 Filing

Operations Trend

Revenue Growth9th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$6.0M$4.0M$2.0M$0-$2.0MExpenses 2010: $1,594,6192010Expenses 2011: $1,682,1312011Expenses 2012: $1,904,0822012Revenue 2013: $2,247,221Expenses 2013: $2,301,537Net Income 2013: -$54,3162013Revenue 2014: $3,054,751Expenses 2014: $2,547,745Net Income 2014: $507,0062014Revenue 2015: $2,883,359Expenses 2015: $2,639,891Net Income 2015: $243,4682015Revenue 2016: $3,993,837Expenses 2016: $4,032,857Net Income 2016: -$39,0202016Revenue 2017: $3,855,028Expenses 2017: $4,144,357Net Income 2017: -$289,3292017Revenue 2018: $4,687,676Expenses 2018: $4,242,806Net Income 2018: $444,8702018Revenue 2019: $4,898,051Expenses 2019: $4,574,701Net Income 2019: $323,3502019Revenue 2020: $4,141,651Expenses 2020: $3,448,892Net Income 2020: $692,7592020Revenue 2021: $5,159,149Expenses 2021: $4,193,144Net Income 2021: $966,0052021Revenue 2022: $4,484,716Expenses 2022: $4,454,249Net Income 2022: $30,4672022Revenue 2023: $5,835,350Expenses 2023: $4,988,236Net Income 2023: $847,1142023Revenue 2024: $5,013,221Expenses 2024: $5,029,861Net Income 2024: -$16,6402024

Highlighted filing

2024

Revenue$5,013,221
Expenses$5,029,861
Net Income-$16,640
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$7,824,550
Liabilities
$1,411,622
Net assets
$6,412,928
Revenue
$5,013,221
Expenses
$5,029,861
Net income
-$16,640
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$7.82$1.41$6.41$5.01$5.03$0.02
2023Detailed filing. Detailed filing data is available for this year.$7.58$1.43$6.15$5.84$4.99$0.85
2022Detailed filing. Detailed filing data is available for this year.$6.42$1.48$4.94$4.48$4.45$0.03
2021Detailed filing. Detailed filing data is available for this year.$7.07$1.57$5.49$5.16$4.19$0.97
2020Detailed filing. Detailed filing data is available for this year.$5.49$1.10$4.38$4.14$3.45$0.69
2019Detailed filing. Detailed filing data is available for this year.$4.35$0.89$3.46$4.90$4.57$0.32
2018Detailed filing. Detailed filing data is available for this year.$3.69$0.83$2.86$4.69$4.24$0.44
2017Detailed filing. Detailed filing data is available for this year.$3.25$0.69$2.56$3.86$4.14$0.29
2016Detailed filing. Detailed filing data is available for this year.$3.32$0.67$2.64$3.99$4.03$0.04
2015Detailed filing. Detailed filing data is available for this year.$3.26$0.65$2.61$2.88$2.64$0.24
2014Detailed filing. Detailed filing data is available for this year.$2.98$0.58$2.41$3.05$2.55$0.51
2013Detailed filing. Detailed filing data is available for this year.$2.64$0.51$2.14$2.25$2.30$0.05
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.52$0.50$2.02$1.90
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.21$0.44$1.77$1.68
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.01$0.38$1.63$1.59
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Nov 6, 2025
Return Version
2024v5.2
Gross Receipts
$5,038,927
Mission and Program Overview

Mission

The society is organized and operated exclusively to promote excellence in patient care, provide education, support research, influence health care policy, and foster growth of neurointerventional surgical procedures throughout the united states.

Care of patients with stroke, brain aneurysms and other diseases of the head, neck and spine.

Balance Sheet Detail
LineBeginningEndChange
Assets
Investments in Publicly Traded Securities$3,930,298$4,313,968▲ $383,670
Savings and Temporary Cash Investments$1,682,293$1,805,400▲ $123,107
Accounts Receivable$1,896,696$1,540,271▼ $356,425
Prepaid Expenses and Deferred Charges$68,602$159,528▲ $90,926
Land, Buildings, and Equipment, Net$2,997$5,383▲ $2,386
Total Assets$7,580,886$7,824,550▲ $243,664
Liabilities
Accounts Payable and Accrued Expenses$939,852$871,957▼ $67,895
Deferred Revenue$475,413$522,156▲ $46,743
Other Liabilities$12,330$17,509▲ $5,179
Total Liabilities$1,427,595$1,411,622▼ $15,973
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$6,153,291$6,412,928▲ $259,637
Total Net Assets Fund Balance$6,153,291$6,412,928▲ $259,637
Total Liabilities and Net Assets / Fund Balance$7,580,886$7,824,550▲ $243,664

Asset Categories

AssetBook ValueDepreciationBasis
Other Land Buildings$0$326,256$326,256
Equipment$5,383$4,849$10,232
Compensation and Service Providers
Top Officer Pay47th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Marie DenslowExecutive DirectorFT$229,568$35,746$265,314
Eddie WoodsDirector of Member ServiceFT$119,736$16,533$136,269

Board Members and Trustees

NameTitle
Jonathan Grossberg MdAudit Committee Chair
Adrienne Moraff MdDei Committee Chair
Jeremy Heit Md PhdEducation Chair
Michael Froehler Md PhdGov Comm Chair to 7/24
Edgar Samaniego MdGovernance Committee Chair
Blaise Baxter MdSnis Foundation Chair
Steven Hetts MdStandards Comm Chair to 7/24
Clemens Schirmer Md PhdStandards Committee Chair
Michael Chen Md2nd Past President to 7/24
Mahesh Jayaraman MdImmediate Past President
Johanna Fifi MdPresident
Guilherme Dabus MdPresident-elect
J Mocco MdSecond Past President
Peter Kan MdVice President
Sameer Ansari Md PhdSnis Pso Med Director to 7/24
Daniel Sahlein MdSnis Pso Medical Director
Felipe C Albuquerque MdJnis Editor
David Altschul MdMember at Large
Hal Rice MbbsMember at Large
Jenny Tsai MdMember at Large
Matthew Amans MdMember at Large to 7/24
Vitor Mendes Pereira MdMember at Large to 7/24
Maxim Mokin Md PhdSecretary
Justin Fraser MdTreasurer

Highest Paid Contractors

ContractorServicesLocationCompensation
Vanguard CommunicationsMarketing2121 K STREET NW SUITE 650, Washington, DC 20037, Uk$811,213
Bmj Publishing GroupPrinting/publishingPO BOX 101880, Atlanta, GA 30392-1880$194,514
Direct ImpactMarketing/outreach-$129,539
Revenue and Support

Revenue Composition

Contributions and Grants
$0
Program Service Revenue
$4,795,745
Investment Income
$180,175
Other Revenue
$37,301
Change in Net Assets
$-16,640
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$4,359,882
Salaries, Compensation, and Employee Benefits$669,979
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Fees for Services Other---$1,667,312
Conferences and Meetings---$1,596,206
Travel---$454,507
Office Expenses---$392,894
Other Salaries and Wages---$316,893
Current Officers, Directors, Trustees, and Key Employees---$265,314
Fees for Services Accounting---$84,839
Payroll Taxes---$38,564
Other Employee Benefits---$36,815
Fees for Services Legal---$31,663
Advertising---$28,734
Fees for Service Investment Mgmnt Fees---$24,022
Insurance---$19,843
Pension Plan Contributions---$12,393
Occupancy---$7,214
Depreciation Depletion---$1,567
Other Expenses---$460
Total Functional Expenses$0$0$0$5,029,861
International Activity

International Summary

Offices
0
Employees
0
Spending
$940,681

International Compliance

Activity in boycott countries
No
Foreign corporation ownership
No
Foreign partnership interest
No
Interest in foreign trust
No
Passive foreign investment company interest
No
Transfers to foreign corporations
No

International Activities

RegionActivityServicesOfficesEmployeesSpending
Europe (including Iceland & Greenland) - Albania, Andorra, Austria, BelgiumProgram ServicePublication of Journal of Neurointerventional Surgery00$940,681
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
In-house lobbying only
No
Subject to proxy tax
Yes

Reported Spending and Taxes

Line ItemAmount
Current Year Nondeductible Lobbying and Political Cost$10,000
Total Nondeductible Lobbying and Political Cost$10,000
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Payable to Snis Foundation$17,509
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
No
Conflict-of-interest policy
Yes
Audited financial statements prepared
Yes
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 6

“THE SOCIETY HAS MEMBERS.”

Form 990, Part VI, Section A, Line 7A

“Senior members elect officers.”

Form 990, Part VI, Section B, Line 11B

“The 990 is prepared by snis' accounting firm in conjunction with snis employees. The 990 is reviewed by the executive director and the board treasurer before being filed.”

Form 990, Part VI, Section B, Line 12C

“The executive director reviews responses to the conflict of interest form. If a conflict of interest exists, the person is excluded from any decision making related to the activity.”

Form 990, Part VI, Section B, Line 15A

“The executive director's compensation is reviewed annually by a compensation committee which is comprised of snis' president & past president. They compare compensation with data reported on the form 990 of other organizations. The discussions and decision are documented.”

Form 990, Part VI, Section C, Line 19

“Governing documents, conflict of interest policy and financial statements are made available to the public upon request.”

Filing and Contact Details

Filer

Filer Name
Society of Neurointerventional Surgery
EIN
36-3836229
Phone
7036912272
Address
12587 FAIR LAKES CIRCLE 353, FAIRFAX, VA 22033

Signing Officer

Name
Marie Denslow Cae
Title
Executive Director
Phone
7036912272
Signed
2025-11-06
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Marie Denslow Cae
Formed
1992
Legal Domicile
Dc
Voting Board Members
18
Independent Board Members
17
Employees
4
Volunteers
17

Preparer

Firm
Cliftonlarsonallen Llp
Address
901 N GLEBE ROAD SUITE 200, ARLINGTON, VA 22203
Preparer
Amy Fox
Phone
5712279500
Supplemental Narrative

Additional Explanations

Form 990, Part IX, Line 11G

“Marketing 251,019. Public relations 582,382. Journal 592,402. Meeting planning and services 162,867. Other 78,642.”

FORM 990, PART XI, LINE 9:

“Write off of receivables that originated in a prior year -17,501.”

Raw XML AppendixShowing 400 of 609 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/ActivityOrMissionDesc0CARE OF PATIENTS WITH STROKE, BRAIN ANEURYSMS AND OTHER DISEASES OF THE HEAD, NECK AND SPINE.
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IRS990/Desc0THE SOCIETY (SNIS) HAS OVER 1400 NEUROINTERVENTIONAL SURGEONS AS MEMBERS AND EXISTS TO ADVANCE THE KNOWLEDGE AND DEVELOPMENT OF NEUROINTERVENTIONAL SURGERY. IN 2024 WE HELD OUR ANNUAL EDUCATIONAL MEETING WHERE OVER 1,000 ATTENDEES GATHER TO LEARN THE LATEST IN BEST PRACTICES FOR NEUROINTERVENTIONAL SURGERY.WE ALSO HOLD MONTHLY EDUCATIONAL WEBINARS.OUR GET AHEAD OF STROKE PROGRAM IS A NATIONAL PUBLIC EDUCATION INITIATIVE TO IMPROVE SYSTEMS OF CARE FOR STROKE PATIENTS.
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IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd23X
IRS990/Form990PartVIISectionAGrp/OfficerInd0X
IRS990/Form990PartVIISectionAGrp/OfficerInd1X
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IRS990/Form990PartVIISectionAGrp/OfficerInd3X
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IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt20
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt30
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt40
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt50
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt60
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt70
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt80
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt90
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt100
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt110
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt120
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt130
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt140
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt150
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt160
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt170
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt180
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt190
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt200
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt210
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt220
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt230
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt2422155
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt2516533
IRS990/Form990PartVIISectionAGrp/PersonNm0JOHANNA FIFI MD
IRS990/Form990PartVIISectionAGrp/PersonNm1GUILHERME DABUS MD
IRS990/Form990PartVIISectionAGrp/PersonNm2PETER KAN MD
IRS990/Form990PartVIISectionAGrp/PersonNm3JUSTIN FRASER MD
IRS990/Form990PartVIISectionAGrp/PersonNm4MAXIM MOKIN MD PHD
IRS990/Form990PartVIISectionAGrp/PersonNm5JEREMY HEIT MD PHD
IRS990/Form990PartVIISectionAGrp/PersonNm6HAL RICE MBBS
IRS990/Form990PartVIISectionAGrp/PersonNm7DAVID ALTSCHUL MD
IRS990/Form990PartVIISectionAGrp/PersonNm8JENNY TSAI MD
IRS990/Form990PartVIISectionAGrp/PersonNm9MAHESH JAYARAMAN MD
IRS990/Form990PartVIISectionAGrp/PersonNm10J MOCCO MD
IRS990/Form990PartVIISectionAGrp/PersonNm11JONATHAN GROSSBERG MD
IRS990/Form990PartVIISectionAGrp/PersonNm12ADRIENNE MORAFF MD
IRS990/Form990PartVIISectionAGrp/PersonNm13EDGAR SAMANIEGO MD
IRS990/Form990PartVIISectionAGrp/PersonNm14FELIPE C ALBUQUERQUE MD
IRS990/Form990PartVIISectionAGrp/PersonNm15BLAISE BAXTER MD
IRS990/Form990PartVIISectionAGrp/PersonNm16DANIEL SAHLEIN MD
IRS990/Form990PartVIISectionAGrp/PersonNm17CLEMENS SCHIRMER MD PHD
IRS990/Form990PartVIISectionAGrp/PersonNm18MATTHEW AMANS MD
IRS990/Form990PartVIISectionAGrp/PersonNm19VITOR MENDES PEREIRA MD
IRS990/Form990PartVIISectionAGrp/PersonNm20MICHAEL FROEHLER MD PHD
IRS990/Form990PartVIISectionAGrp/PersonNm21SAMEER ANSARI MD PHD
IRS990/Form990PartVIISectionAGrp/PersonNm22STEVEN HETTS MD
IRS990/Form990PartVIISectionAGrp/PersonNm23MICHAEL CHEN MD
IRS990/Form990PartVIISectionAGrp/PersonNm24MARIE DENSLOW
IRS990/Form990PartVIISectionAGrp/PersonNm25EDDIE WOODS
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt110
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt120
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt130
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt140
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt150
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt170
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt180
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt190
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt210
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt220
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt230
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt24243159
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt30
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt50
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt90
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt120
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt130
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt170
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt180
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt190
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt220
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt230
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt250
IRS990/Form990PartVIISectionAGrp/TitleTxt0PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt1PRESIDENT-ELECT
IRS990/Form990PartVIISectionAGrp/TitleTxt2VICE PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt3TREASURER
IRS990/Form990PartVIISectionAGrp/TitleTxt4SECRETARY
IRS990/Form990PartVIISectionAGrp/TitleTxt5EDUCATION CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt6MEMBER AT LARGE
IRS990/Form990PartVIISectionAGrp/TitleTxt7MEMBER AT LARGE
IRS990/Form990PartVIISectionAGrp/TitleTxt8MEMBER AT LARGE
IRS990/Form990PartVIISectionAGrp/TitleTxt9IMMEDIATE PAST PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt10SECOND PAST PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt11AUDIT COMMITTEE CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt12DEI COMMITTEE CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt13GOVERNANCE COMMITTEE CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt14JNIS EDITOR
IRS990/Form990PartVIISectionAGrp/TitleTxt15SNIS FOUNDATION CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt16SNIS PSO MEDICAL DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt17STANDARDS COMMITTEE CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt18MEMBER AT LARGE TO 7/24
IRS990/Form990PartVIISectionAGrp/TitleTxt19MEMBER AT LARGE TO 7/24
IRS990/Form990PartVIISectionAGrp/TitleTxt20GOV COMM CHAIR TO 7/24
IRS990/Form990PartVIISectionAGrp/TitleTxt21SNIS PSO MED DIR TO 7/24
IRS990/Form990PartVIISectionAGrp/TitleTxt22STANDARDS COMM CHAIR TO 7/24
IRS990/Form990PartVIISectionAGrp/TitleTxt232ND PAST PRESIDENT TO 7/24
IRS990/Form990PartVIISectionAGrp/TitleTxt24EXECUTIVE DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt25DIRECTOR OF MEMBER SERVICE
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IRS990/MembersOrStockholdersInd01
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd01
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IRS990/MissionDesc0THE SOCIETY IS ORGANIZED AND OPERATED EXCLUSIVELY TO PROMOTE EXCELLENCE IN PATIENT CARE, PROVIDE EDUCATION, SUPPORT RESEARCH, INFLUENCE HEALTH CARE POLICY, AND FOSTER GROWTH OF NEUROINTERVENTIONAL SURGICAL PROCEDURES THROUGHOUT THE UNITED STATES.
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IRS990/OtherExpensesGrp/Desc0PRODUCTION/DEVELOPMENT
IRS990/OtherExpensesGrp/Desc1BAD DEBTS
IRS990/OtherExpensesGrp/Desc2AWARDS AND GIFTS
IRS990/OtherExpensesGrp/Desc3LICENSES & OTHER TAXES
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IRS990/OtherExpensesGrp/TotalAmt116050
IRS990/OtherExpensesGrp/TotalAmt23816
IRS990/OtherExpensesGrp/TotalAmt3460
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IRS990/ProgramServiceRevenueGrp/Desc0MEETING/CONFERENCE REVENUE
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IRS990/PYTotalExpensesAmt04988236
IRS990/PYTotalProfFndrsngExpnsAmt00

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