International Stereotactic Radio Surgery Society
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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.
- International Society Of Radiologynonprofit · trigram 0.53
- International Society Of Radiologynonprofit · trigram 0.50
- International Surgical Sleep Society Incnonprofit · trigram 0.45
- International Di Societynonprofit · trigram 0.45
- International Superyacht Society Incnonprofit · trigram 0.44
- International 3 D Society Incnonprofit · trigram 0.44
- International Surgical Sleep Society Incnonprofit · trigram 0.44
- International Society Of Tactical Rope Operatorsnonprofit · trigram 0.43
- International Superyacht Society Incnonprofit · trigram 0.43
- International Federation Of Facial Plastic Surgery Societies Incnonprofit · trigram 0.42
- International Society Of Barristers Incnonprofit · trigram 0.42
- International Society Of Tactical Rope Operatorsnonprofit · trigram 0.42
- Ocala Stereotactic Radiosurgery, LLCcorporation · trigram 0.41
- SOCIETY OF INTERVENTIONAL RADIOLOGY POLITICAL ACTION COMMITTEEpac · trigram 0.41
- SOCIETY OF INTERVENTIONAL RADIOLOGYlobbying_client · trigram 0.41
- Society Of Interventional Radiologynonprofit · trigram 0.41
- SOCIETY OF INTERVENTIONAL RADIOLOGYlobbying_firm · trigram 0.41
- INTERNATIONAL SOCIETY FOR STEM CELL RESEARCHlobbying_client · trigram 0.41
- INTERNATIONAL SOCIETY FOR STEM CELL RESEARCHlobbying_firm · trigram 0.41
- INTERNATIONAL HEARING SOCIETYlobbying_client · trigram 0.41
- International Hearing Societynonprofit · trigram 0.41
- International Geriatric Fracture Society Incnonprofit · trigram 0.40
- Bomanite International Society Incnonprofit · trigram 0.40
- Colorist Society International Incnonprofit · trigram 0.40
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 year | Revenue | Expenses | Officer 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)
| source | id | name at source | jurisdiction | confidence | linked by | linked at |
|---|---|---|---|---|---|---|
| ein | 043146650 | International Stereotactic Radio Surgery Society | US | gold | backfill_0029 | |
| nonprofit | 043146650 | International Stereotactic Radio Surgery Society | US | gold | sync_canonical_entities |