browse Browse

pac.dog pac.dog /orgs

International Stereotactic Radio Surgery Society

Sign in to add to a watchlist →

nonprofit · 501c6 · EIN 043146650 · US · canonical: international stereotactic radio surgery society · 2 aliases · 0 outbound · 0 inbound

Related entities (24)

Same brand-name cluster — possible parent, subsidiary, PAC, or lobbying registration. Surfaced via head-token match (e.g. every "AMAZON …" org) and pg_trgm similarity for variant spellings. Not yet asserted as parent/child edges; treat as a navigation aid.

Timeline
IRS Form 990 — EIN 043146650

IRS Form 990

International Stereotactic Radio Surgery Society EIN 04-3146650 · other · IRS-recognized since 1994

Source: IRS Form 990 via ProPublica Nonprofit Explorer. Numbers in USD; 0 = not reported that year.

Tax yearRevenueExpensesOfficer comp
2023$160,269$222,048
2022$193,207$157,333
2021$155,296$114,321
2020$249,215$112,573
2019$238,041$170,918
2018$236,570$64,277
2017$389,246$365,283
2016$18,930$10,203
2015$56,285$83,586
2014$60,516$48,958
2013$652,330$683,700
2012$30,336$256,037
2011$637,687$441,045
Aliases (2)
sourceidname at sourcejurisdictionconfidencelinked bylinked at
ein043146650International Stereotactic Radio Surgery SocietyUSgoldbackfill_0029
nonprofit043146650International Stereotactic Radio Surgery SocietyUSgoldsync_canonical_entities

pac.dog is a free, independent, non-partisan research tool. Every candidate, committee, bill, vote, member, and nonprofit on this site is mirrored from primary U.S. government sources (FEC, congress.gov, govinfo.gov, IRS) and each state's Secretary of State / election commission — no third-party data vendors, no paywall, no editorial intermediation. Citations to the originating source are on every detail page.