Civic Intelligence

Neurosurgery Specialists LLC

Plan context: Neurosurgery Specialists 401K Combination Prototype Plan-401K

EIN 93-1260238 • Springfield, OR • 43 filings • 8 plans

3377 Riverbend Drive, Floor 5Springfield, OR 97477
Current Snapshot

Latest Year

2025

2025 Participants

14

2025 Assets

$9,906,384

2025 Contributions

$895,640

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$9,906,384$4,953,192$0199920132025YearValue
$9,906,384Latest year 2025

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

28140199920122025YearValue
14Latest year 2025

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
2025214$9,906,384$895,640$63,974iApproximate average salary by contribution assumption: employee only about $1,599,357 at 4% or $1,066,238 at 6%; with 50% employer match about $1,066,238 at 4% or $710,825 at 6%; with 100% employer match about $799,679 at 4% or $533,119 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-14$5,707,363$407,170$29,084iApproximate average salary by contribution assumption: employee only about $727,089 at 4% or $484,726 at 6%; with 50% employer match about $484,726 at 4% or $323,151 at 6%; with 100% employer match about $363,545 at 4% or $242,363 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-10$4,199,021$488,470$48,847iApproximate average salary by contribution assumption: employee only about $1,221,175 at 4% or $814,117 at 6%; with 50% employer match about $814,117 at 4% or $542,744 at 6%; with 100% employer match about $610,588 at 4% or $407,058 at 6%.
2024216$8,976,876$879,292$54,956iApproximate average salary by contribution assumption: employee only about $1,373,894 at 4% or $915,929 at 6%; with 50% employer match about $915,929 at 4% or $610,619 at 6%; with 100% employer match about $686,947 at 4% or $457,965 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-16$5,494,670$439,292$27,456iApproximate average salary by contribution assumption: employee only about $686,394 at 4% or $457,596 at 6%; with 50% employer match about $457,596 at 4% or $305,064 at 6%; with 100% employer match about $343,197 at 4% or $228,798 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-10$3,482,206$440,000$44,000iApproximate average salary by contribution assumption: employee only about $1,100,000 at 4% or $733,333 at 6%; with 50% employer match about $733,333 at 4% or $488,889 at 6%; with 100% employer match about $550,000 at 4% or $366,667 at 6%.
2023217$8,094,711$814,379$47,905iApproximate average salary by contribution assumption: employee only about $1,197,616 at 4% or $798,411 at 6%; with 50% employer match about $798,411 at 4% or $532,274 at 6%; with 100% employer match about $598,808 at 4% or $399,205 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-17$4,951,333$346,879$20,405iApproximate average salary by contribution assumption: employee only about $510,116 at 4% or $340,077 at 6%; with 50% employer match about $340,077 at 4% or $226,718 at 6%; with 100% employer match about $255,058 at 4% or $170,039 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-9$3,143,378$467,500$51,944iApproximate average salary by contribution assumption: employee only about $1,298,611 at 4% or $865,741 at 6%; with 50% employer match about $865,741 at 4% or $577,160 at 6%; with 100% employer match about $649,306 at 4% or $432,870 at 6%.
2022217$6,838,528$770,380$45,316iApproximate average salary by contribution assumption: employee only about $1,132,912 at 4% or $755,275 at 6%; with 50% employer match about $755,275 at 4% or $503,516 at 6%; with 100% employer match about $566,456 at 4% or $377,637 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-17$4,289,023$302,880$17,816iApproximate average salary by contribution assumption: employee only about $445,412 at 4% or $296,941 at 6%; with 50% employer match about $296,941 at 4% or $197,961 at 6%; with 100% employer match about $222,706 at 4% or $148,471 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-10$2,549,505$467,500$46,750iApproximate average salary by contribution assumption: employee only about $1,168,750 at 4% or $779,167 at 6%; with 50% employer match about $779,167 at 4% or $519,444 at 6%; with 100% employer match about $584,375 at 4% or $389,583 at 6%.
2021220$7,022,683$983,024$49,151iApproximate average salary by contribution assumption: employee only about $1,228,780 at 4% or $819,187 at 6%; with 50% employer match about $819,187 at 4% or $546,124 at 6%; with 100% employer match about $614,390 at 4% or $409,593 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-20$4,852,679$727,924$36,396iApproximate average salary by contribution assumption: employee only about $909,905 at 4% or $606,603 at 6%; with 50% employer match about $606,603 at 4% or $404,402 at 6%; with 100% employer match about $454,952 at 4% or $303,302 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-11$2,170,004$255,100$23,191iApproximate average salary by contribution assumption: employee only about $579,773 at 4% or $386,515 at 6%; with 50% employer match about $386,515 at 4% or $257,677 at 6%; with 100% employer match about $289,886 at 4% or $193,258 at 6%.
2020220$5,766,403$649,441$32,472iApproximate average salary by contribution assumption: employee only about $811,801 at 4% or $541,201 at 6%; with 50% employer match about $541,201 at 4% or $360,801 at 6%; with 100% employer match about $405,901 at 4% or $270,600 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-20$3,882,183$383,031$19,152iApproximate average salary by contribution assumption: employee only about $478,789 at 4% or $319,193 at 6%; with 50% employer match about $319,193 at 4% or $212,795 at 6%; with 100% employer match about $239,394 at 4% or $159,596 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-11$1,884,220$266,410$24,219iApproximate average salary by contribution assumption: employee only about $605,477 at 4% or $403,652 at 6%; with 50% employer match about $403,652 at 4% or $269,101 at 6%; with 100% employer match about $302,739 at 4% or $201,826 at 6%.
2019220$4,468,673$510,376$25,519iApproximate average salary by contribution assumption: employee only about $637,970 at 4% or $425,313 at 6%; with 50% employer match about $425,313 at 4% or $283,542 at 6%; with 100% employer match about $318,985 at 4% or $212,657 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-20$3,111,809$245,925$12,296iApproximate average salary by contribution assumption: employee only about $307,406 at 4% or $204,938 at 6%; with 50% employer match about $204,938 at 4% or $136,625 at 6%; with 100% employer match about $153,703 at 4% or $102,469 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-11$1,356,864$264,451$24,041iApproximate average salary by contribution assumption: employee only about $601,025 at 4% or $400,683 at 6%; with 50% employer match about $400,683 at 4% or $267,122 at 6%; with 100% employer match about $300,513 at 4% or $200,342 at 6%.
2018218$3,377,403$527,975$29,332iApproximate average salary by contribution assumption: employee only about $733,299 at 4% or $488,866 at 6%; with 50% employer match about $488,866 at 4% or $325,910 at 6%; with 100% employer match about $366,649 at 4% or $244,433 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-18$2,383,364$207,051$11,503iApproximate average salary by contribution assumption: employee only about $287,571 at 4% or $191,714 at 6%; with 50% employer match about $191,714 at 4% or $127,809 at 6%; with 100% employer match about $143,785 at 4% or $95,857 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-9$994,039$320,924$35,658iApproximate average salary by contribution assumption: employee only about $891,456 at 4% or $594,304 at 6%; with 50% employer match about $594,304 at 4% or $396,202 at 6%; with 100% employer match about $445,728 at 4% or $297,152 at 6%.
2017216$3,137,244$396,015$24,751iApproximate average salary by contribution assumption: employee only about $618,773 at 4% or $412,516 at 6%; with 50% employer match about $412,516 at 4% or $275,010 at 6%; with 100% employer match about $309,387 at 4% or $206,258 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-16$2,429,046$143,569$8,973iApproximate average salary by contribution assumption: employee only about $224,327 at 4% or $149,551 at 6%; with 50% employer match about $149,551 at 4% or $99,701 at 6%; with 100% employer match about $112,163 at 4% or $74,776 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-8$708,198$252,446$31,556iApproximate average salary by contribution assumption: employee only about $788,894 at 4% or $525,929 at 6%; with 50% employer match about $525,929 at 4% or $350,619 at 6%; with 100% employer match about $394,447 at 4% or $262,965 at 6%.
2016315$2,474,929$433,489$28,899iApproximate average salary by contribution assumption: employee only about $722,482 at 4% or $481,654 at 6%; with 50% employer match about $481,654 at 4% or $321,103 at 6%; with 100% employer match about $361,241 at 4% or $240,827 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-15$2,029,596$161,495$10,766iApproximate average salary by contribution assumption: employee only about $269,158 at 4% or $179,439 at 6%; with 50% employer match about $179,439 at 4% or $119,626 at 6%; with 100% employer match about $134,579 at 4% or $89,719 at 6%.
Oregon Neurosurgery Specialists Cash Balance Plan-5$445,333$243,906$48,781iApproximate average salary by contribution assumption: employee only about $1,219,530 at 4% or $813,020 at 6%; with 50% employer match about $813,020 at 4% or $542,013 at 6%; with 100% employer match about $609,765 at 4% or $406,510 at 6%.
OREGON NEUROSURGERY SPECIALISTS 401(K) PROFIT SHARING PLAN-0$0$28,088-
2015317$2,422,789$402,728$23,690iApproximate average salary by contribution assumption: employee only about $592,247 at 4% or $394,831 at 6%; with 50% employer match about $394,831 at 4% or $263,221 at 6%; with 100% employer match about $296,124 at 4% or $197,416 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-17$2,210,644$190,583$11,211iApproximate average salary by contribution assumption: employee only about $280,269 at 4% or $186,846 at 6%; with 50% employer match about $186,846 at 4% or $124,564 at 6%; with 100% employer match about $140,135 at 4% or $93,423 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-M/P-4$202,160$202,160$50,540iApproximate average salary by contribution assumption: employee only about $1,263,500 at 4% or $842,333 at 6%; with 50% employer match about $842,333 at 4% or $561,556 at 6%; with 100% employer match about $631,750 at 4% or $421,167 at 6%.
OREGON NEUROSURGERY SPECIALISTS 401(K) PROFIT SHARING PLAN-2$9,985$9,985$4,993iApproximate average salary by contribution assumption: employee only about $124,813 at 4% or $83,208 at 6%; with 50% employer match about $83,208 at 4% or $55,472 at 6%; with 100% employer match about $62,406 at 4% or $41,604 at 6%.
2014122$2,462,495$264,372$12,017iApproximate average salary by contribution assumption: employee only about $300,423 at 4% or $200,282 at 6%; with 50% employer match about $200,282 at 4% or $133,521 at 6%; with 100% employer match about $150,211 at 4% or $100,141 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-22$2,462,495$264,372$12,017iApproximate average salary by contribution assumption: employee only about $300,423 at 4% or $200,282 at 6%; with 50% employer match about $200,282 at 4% or $133,521 at 6%; with 100% employer match about $150,211 at 4% or $100,141 at 6%.
2013125$3,301,224$284,951$11,398iApproximate average salary by contribution assumption: employee only about $284,951 at 4% or $189,967 at 6%; with 50% employer match about $189,967 at 4% or $126,645 at 6%; with 100% employer match about $142,476 at 4% or $94,984 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-25$3,301,224$284,951$11,398iApproximate average salary by contribution assumption: employee only about $284,951 at 4% or $189,967 at 6%; with 50% employer match about $189,967 at 4% or $126,645 at 6%; with 100% employer match about $142,476 at 4% or $94,984 at 6%.
2012126$4,422,342$315,079$12,118iApproximate average salary by contribution assumption: employee only about $302,961 at 4% or $201,974 at 6%; with 50% employer match about $201,974 at 4% or $134,649 at 6%; with 100% employer match about $151,480 at 4% or $100,987 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-26$4,422,342$315,079$12,118iApproximate average salary by contribution assumption: employee only about $302,961 at 4% or $201,974 at 6%; with 50% employer match about $201,974 at 4% or $134,649 at 6%; with 100% employer match about $151,480 at 4% or $100,987 at 6%.
2011124$3,660,282$449,915$18,746iApproximate average salary by contribution assumption: employee only about $468,661 at 4% or $312,441 at 6%; with 50% employer match about $312,441 at 4% or $208,294 at 6%; with 100% employer match about $234,331 at 4% or $156,220 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-24$3,660,282$449,915$18,746iApproximate average salary by contribution assumption: employee only about $468,661 at 4% or $312,441 at 6%; with 50% employer match about $312,441 at 4% or $208,294 at 6%; with 100% employer match about $234,331 at 4% or $156,220 at 6%.
2010127$3,544,730$284,233$10,527iApproximate average salary by contribution assumption: employee only about $263,179 at 4% or $175,452 at 6%; with 50% employer match about $175,452 at 4% or $116,968 at 6%; with 100% employer match about $131,589 at 4% or $87,726 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-27$3,544,730$284,233$10,527iApproximate average salary by contribution assumption: employee only about $263,179 at 4% or $175,452 at 6%; with 50% employer match about $175,452 at 4% or $116,968 at 6%; with 100% employer match about $131,589 at 4% or $87,726 at 6%.
2009125$2,870,047$295,897$11,836iApproximate average salary by contribution assumption: employee only about $295,897 at 4% or $197,265 at 6%; with 50% employer match about $197,265 at 4% or $131,510 at 6%; with 100% employer match about $147,949 at 4% or $98,632 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-25$2,870,047$295,897$11,836iApproximate average salary by contribution assumption: employee only about $295,897 at 4% or $197,265 at 6%; with 50% employer match about $197,265 at 4% or $131,510 at 6%; with 100% employer match about $147,949 at 4% or $98,632 at 6%.
2008118$0$0-
Neurosurgery Specialists 401K Combination Prototype Plan-401K-18---
2007117$2,510,793$245,880$14,464iApproximate average salary by contribution assumption: employee only about $361,588 at 4% or $241,059 at 6%; with 50% employer match about $241,059 at 4% or $160,706 at 6%; with 100% employer match about $180,794 at 4% or $120,529 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-17$2,510,793$245,880$14,464iApproximate average salary by contribution assumption: employee only about $361,588 at 4% or $241,059 at 6%; with 50% employer match about $241,059 at 4% or $160,706 at 6%; with 100% employer match about $180,794 at 4% or $120,529 at 6%.
2006117$2,337,108$274,763$16,163iApproximate average salary by contribution assumption: employee only about $404,063 at 4% or $269,375 at 6%; with 50% employer match about $269,375 at 4% or $179,584 at 6%; with 100% employer match about $202,032 at 4% or $134,688 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-17$2,337,108$274,763$16,163iApproximate average salary by contribution assumption: employee only about $404,063 at 4% or $269,375 at 6%; with 50% employer match about $269,375 at 4% or $179,584 at 6%; with 100% employer match about $202,032 at 4% or $134,688 at 6%.
2005128$2,034,995$306,047$10,930iApproximate average salary by contribution assumption: employee only about $273,256 at 4% or $182,171 at 6%; with 50% employer match about $182,171 at 4% or $121,447 at 6%; with 100% employer match about $136,628 at 4% or $91,085 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-28$2,034,995$306,047$10,930iApproximate average salary by contribution assumption: employee only about $273,256 at 4% or $182,171 at 6%; with 50% employer match about $182,171 at 4% or $121,447 at 6%; with 100% employer match about $136,628 at 4% or $91,085 at 6%.
2004120$1,676,343$279,140$13,957iApproximate average salary by contribution assumption: employee only about $348,925 at 4% or $232,617 at 6%; with 50% employer match about $232,617 at 4% or $155,078 at 6%; with 100% employer match about $174,463 at 4% or $116,308 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-20$1,676,343$279,140$13,957iApproximate average salary by contribution assumption: employee only about $348,925 at 4% or $232,617 at 6%; with 50% employer match about $232,617 at 4% or $155,078 at 6%; with 100% employer match about $174,463 at 4% or $116,308 at 6%.
2003118$1,824,433$298,971$16,610iApproximate average salary by contribution assumption: employee only about $415,238 at 4% or $276,825 at 6%; with 50% employer match about $276,825 at 4% or $184,550 at 6%; with 100% employer match about $207,619 at 4% or $138,413 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-18$1,824,433$298,971$16,610iApproximate average salary by contribution assumption: employee only about $415,238 at 4% or $276,825 at 6%; with 50% employer match about $276,825 at 4% or $184,550 at 6%; with 100% employer match about $207,619 at 4% or $138,413 at 6%.
2002125$1,722,613$437,703$17,508iApproximate average salary by contribution assumption: employee only about $437,703 at 4% or $291,802 at 6%; with 50% employer match about $291,802 at 4% or $194,535 at 6%; with 100% employer match about $218,851 at 4% or $145,901 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-25$1,722,613$437,703$17,508iApproximate average salary by contribution assumption: employee only about $437,703 at 4% or $291,802 at 6%; with 50% employer match about $291,802 at 4% or $194,535 at 6%; with 100% employer match about $218,851 at 4% or $145,901 at 6%.
2001219$1,630,528$321,648$16,929iApproximate average salary by contribution assumption: employee only about $423,221 at 4% or $282,147 at 6%; with 50% employer match about $282,147 at 4% or $188,098 at 6%; with 100% employer match about $211,611 at 4% or $141,074 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-19$1,630,528$175,338$9,228iApproximate average salary by contribution assumption: employee only about $230,708 at 4% or $153,805 at 6%; with 50% employer match about $153,805 at 4% or $102,537 at 6%; with 100% employer match about $115,354 at 4% or $76,903 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-M/P-0-$146,310-
2000222$1,467,692$294,883$13,404iApproximate average salary by contribution assumption: employee only about $335,094 at 4% or $223,396 at 6%; with 50% employer match about $223,396 at 4% or $148,931 at 6%; with 100% employer match about $167,547 at 4% or $111,698 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-M/P-22$753,937$152,385$6,927iApproximate average salary by contribution assumption: employee only about $173,165 at 4% or $115,443 at 6%; with 50% employer match about $115,443 at 4% or $76,962 at 6%; with 100% employer match about $86,582 at 4% or $57,722 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-22$713,755$142,498$6,477iApproximate average salary by contribution assumption: employee only about $161,930 at 4% or $107,953 at 6%; with 50% employer match about $107,953 at 4% or $71,969 at 6%; with 100% employer match about $80,965 at 4% or $53,977 at 6%.
1999218$1,324,574$239,487$13,305iApproximate average salary by contribution assumption: employee only about $332,621 at 4% or $221,747 at 6%; with 50% employer match about $221,747 at 4% or $147,831 at 6%; with 100% employer match about $166,310 at 4% or $110,874 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-401K-18$666,672$121,960$6,776iApproximate average salary by contribution assumption: employee only about $169,389 at 4% or $112,926 at 6%; with 50% employer match about $112,926 at 4% or $75,284 at 6%; with 100% employer match about $84,694 at 4% or $56,463 at 6%.
Neurosurgery Specialists 401K Combination Prototype Plan-M/P-18$657,902$117,527$6,529iApproximate average salary by contribution assumption: employee only about $163,232 at 4% or $108,821 at 6%; with 50% employer match about $108,821 at 4% or $72,548 at 6%; with 100% employer match about $81,616 at 4% or $54,411 at 6%.