Nonprofit · EIN 27-0773676
INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION
Tax-exempt · PITTSBURGH, PA 15213
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $116,619 | $40,026 | $76,593 | $894,845 | $10,950 | $883,895 |
| December 31, 2023 | 990-PF | $91,734 | $50,833 | $40,901 | $836,355 | $29,053 | $807,302 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $67,000
- Interest
- $19,220
- Other income
- $30,399
Expenses
- Grants and similar amounts paid
- $0
- Disbursements for charitable purposes
- $60,533
- Excise tax on investment income
- $267
Balance sheet and other
- Total assets, start of year
- $836,355
- Total assets, end of year
- $894,845
- Total liabilities, end of year
- $10,950
- Net assets, end of year
- $883,895
- Fair market value of assets
- $894,845
- Qualifying distributions
- $60,533
- Net investment income
- $19,220
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-PF for the year ended December 31, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DOUGLAS KONDZIOLKA MD NEW YORK UNIVERSITY GAMMA KNIFE CTR, 550 FIRST AVENUE, NEW YORK, NY 10016 | DIRECTOR | 0 | $0 |
| JOHN SUH MD CLEVELAND CLINIC HS GAMMA KNIFE CTR, 9500 EUCLID AVE CA51, CLEVELAND, OH 44195 | SECRETARY/TR | 1 | $0 |
| ANTHONY KAUFMAN MD UNIV OF MANITOBA GK SURGERY PROGRAM, GB129 820 SHERBROOKE ST, WINNEPEG, MANITOBA R3T 2N2, CA | DIRECTOR | 0 | $0 |
| L DADE LUNSFORD MD UPMC PRESBYTERIAN HOSPITAL, 200 LOTHROP ST B400, PITTSBURGH, PA 15213 | DIRECTOR | 0 | $0 |
| DAVID MATHIEU MD CENTRE HOSP UNIVERSITE DE SHERBROOK, 3001 12E AVENUE NORD, SHERBROOKE, QUEBEC J1H 5N4, CA | DIRECTOR | 0 | $0 |
| RAFAEL RODRIGUEZ MERCADO MD NATHAN RIFKINSON GK CTR OF PUERTO R, P O BOX 2129, SAN JUAN, PR 00922 | DIRECTOR | 0 | $0 |
| JASON SHEEHAN MD 1240 LEE ST FL 3, UNIVERSITY OF VIRGINIA, CHARLOTTSVILLE, VA 22908 | CHAIRPERSON | 1 | $0 |
| JOHN Y K LEE MD UNIVERSITY OF PENNSYLVANIA HOSPITAL, 801 SPRUCE STREET, PHILADELPHIA, PA 19107 | DIRECTOR | 0 | $0 |
| VERONICA CHIANG MD YALE NEW HAVEN HOSPITAL, 800 HOWARD AVE, NEW HAVEN, CT 06519 | VICE CHAIRPE | 1 | $0 |
| STEVE BRAUNSTEIN MD PHD UCSF RADIATION ONCOLOGY, 505 PARNASSUS AVE A808, SAN FRANCISCO, CA 94143 | DIRECTOR | 0 | $0 |
| HEYOUNG MCBRIDE MD LOVELACE MEDICAL GAMMA KNIFE CENTER, 601 DR MARTIN LUTHER KING BOULEVARD, ALBUQUERQUE, NM 87102 | DIRECTOR | 0 | $0 |
| CHRISTOPHER DEIBERT MD EMORY ST JOSEPHS HOSPITAL, 5665 PEACHTREE DUNWOODY ROAD NE, ATLANTA, GA 30342 | DIRECTOR | 0 | $0 |
| JOHN A KALAPURAKAL MD 251 E HURON LOWER CONCOURSE STE 178, CHICAGO, IL 60611 | DIRECTOR | 0 | $0 |
| MICHAEL SCHULDER MD NORTHWELL LIJ HEALTH SYSTEM, 450 LAKEVILLE ROAD, LAKE SUCCESS, NY 11042 | DIRECTOR | 0 | $0 |
| JAMES MCINERNEY MD PENN STATE HERSHEY, 500 UNIV DR SOUTH ANNEX, HERSHEY, PA 17033 | DIRECTOR | 0 | $0 |
21 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTOPHER CIFARELLI MD PHD WVU ROBERT C BYRD HEALTH SCIENCES, 1 MEDICAL CTR DR, MORGANTOWN, WV 26506 | DIRECTOR | 0 | $0 |
| HUAICHE WADE YANG MD TAIPEI VETERANS GENERAL HOSPITAL, NO 201 SECTION 2 SHIPAI ROAD, TAIPEI CITY, TAIPEI CITY , TAI 11217 ROC, TW | DIRECTOR | 0 | $0 |
| ROMAN LISCAK MD NA HOMOLCE HOSPITAL, ROENTGENOVA 37 2, PRAHA, PRAHA 150 00, EZ | DIRECTOR | 0 | $0 |
| HERWIN SPECKTER MD CENTRO GAMMA KNIFE DOMINICANO, CEDIMAT PLAZA DE LA SALUD ENSANCHE, SANTO DOMINGO, SANTO DOMINGO, DR | DIRECTOR | 0 | $0 |
| RONALD E WARNICK MD MAYFIELD CLINIC JEWISH HOSPITAL, 3825 EDWARDS ROAD, CINCINNATI, OH 45209 | DIRECTOR | 0 | $0 |
| WAEL REDA MD NASSER INST GGK CTR CAIRO, 1351 KORNICH EL NILE SHOBRA, CAIRO, 11672, EG | DIRECTOR | 0 | $0 |
| DANIEL TRIFILETTI MD MAYO CLINIC JACKSONVILLE, 450 SAN PABLO RD S, JACKSONVILLE, FL 32224 | DIRECTOR | 0 | $0 |
| CAROLINA BENJAMIN MD UNIVERSITY OF MIAMI, 1295 NORTHWEST 14TH ST STE 1700, MIAMI, FL 33125 | DIRECTOR | 0 | $0 |
| GREGORY N BOWDEN UNIVERSITY OF ALBERTA HOSPITAL, 8440 112 ST NW, EDMONTON, ALBERTA, CA | DIRECTOR | 0 | $0 |
| DR JOSHUA PALMER OHIO STATE UNIVERSITY, 460 WEST 10TH AVENUE, COLUMBUS, OH 43210 | DIRECTOR | 0 | $0 |
| PROF DR SELCUK PEKER KOC UNIVERSITY SCH OF MED GAMA KNIF, DAVUTPASA CAD NO 4, TOPKAPI, ISTANBUL 34010, TU | DIRECTOR | 0 | $0 |
| MATTHEW SHEPARD MD ALLEGHENY HEALTH NETWORK, 320 E NORTH AVE SOUGH TOWER 208, PITTSBURGH, PA 15212 | DIRECTOR | 0 | $0 |
| MANMEET S AHLUWALIA MD MBA MIAMI CANTER INST BAPTIST HEALTH S, 8900 N KENDAL DRIVE, MIAMI, FL 33176 | DIRECTOR | 0 | $0 |
| NATHAN T ZWAGERMAN MD MEDICAL COLLEGE OF WI NEURO INST, 900 N 92ND ST, MILKAUKEE, WI 53226 | DIRECTOR | 0 | $0 |
| GABRIEL ZADA MD UNIV OF CA KECK SCHOOL OF MEDICINE, 1520 SAN PABLO ST SUITE 3800, LOS ANGELES, CA 90033 | DIRECTOR | 0 | $0 |
| HIDEYUKI KANU MD DOKKYO MEDICAL CENTER, 880 KITAKOBAYASHI MIBU, SHIMOTSUGAGUN, TOCHIGI, JA | DIRECTOR | 0 | $0 |
| TEHILA KAISMAN ELBAZ MD PHD BPT SHEBA TEL HASHOMER MEDICAL CENTER, RAMAT GAN, RAMAT GAN 52621, IS | DIRECTOR | 0 | $0 |
| C J JARED CHEN MD UT MCGOVERN MEDICAL SCHOOL, 6400 FANNIN ST STE 2800, HOUSTON, TX 77030 | DIRECTOR | 0 | $0 |
| YUSUKE HORI MD STANFORD UNIV SCHOOL OF MEDICINE, 213 QUARRY ROAD 3RD FL MC 5958, PALO ALTO, CA 94304 | DIRECTOR | 0 | $0 |
| TURKER KILIC MC PHD BAHCESEHIR UNIVERSITY INSTANBUL SCH, E5 UZERI MERDIVENKOY NISAN SK 17, ISTANBUL, ISTANBUL 34732, TU | DIRECTOR | 0 | $0 |
| PATRIC GROVER MD NATL HOSP FOR NEUROLOGY AND NEURO, LONDON, LONSON, UK | DIRECTOR | 0 | $0 |
990-PF for the year ended December 31, 2023: 36 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DOUGLAS KONDZIOLKA MD NEW YORK UNIVERSITY GAMMA KNIFE CTR, 550 FIRST AVENUE, NEW YORK, NY 10016 | DIRECTOR | 0 | $0 |
| JOHN SUH MD CLEVELAND CLINIC HS GAMMA KNIFE CTR, 9500 EUCLID AVE CA51, CLEVELAND, OH 44195 | SECRETARY/TR | 1 | $0 |
| ANTHONY KAUFMAN MD UNIV OF MANITOBA GK SURGERY PROGRAM, GB129 820 SHERBROOKE ST, WINNEPEG, MANITOBA R3T 2N2, CA | DIRECTOR | 0 | $0 |
| L DADE LUNSFORD MD UPMC PRESBYTERIAN HOSPITAL, 200 LOTHROP ST B400, PITTSBURGH, PA 15213 | DIRECTOR | 0 | $0 |
| DAVID MATHIEU MD CENTRE HOSP UNIVERSITE DE SHERBROOK, 3001 12E AVENUE NORD, SHERBROOKE, QUEBEC J1H 5N4, CA | DIRECTOR | 0 | $0 |
| RAFAEL RODRIGUEZ MERCADO MD NATHAN RIFKINSON GK CTR OF PUERTO R, P O BOX 2129, SAN JUAN, PR 009222129 | DIRECTOR | 0 | $0 |
| JASON SHEEHAN MD 1240 LEE ST FL 3, UNIVERSITY OF VIRGINIA, CHARLOTTSVILLE, VA 22908 | CHAIRPERSON | 1 | $0 |
| JOHN Y K LEE MD UNIVERSITY OF PENNSYLVANIA HOSPITAL, 801 SPRUCE STREET, PHILADELPHIA, PA 19107 | DIRECTOR | 0 | $0 |
| VERONICA CHIANG MD YALE NEW HAVEN HOSPITAL, 800 HOWARD AVE, NEW HAVEN, CT 06519 | VICE CHAIRPE | 1 | $0 |
| STEVE BRAUNSTEIN MD PHD UCSF RADIATION ONCOLOGY, 505 PARNASSUS AVE A808, SAN FRANCISCO, CA 94143 | DIRECTOR | 0 | $0 |
| HEYOUNG MCBRIDE MD LOVELACE MEDICAL GAMMA KNIFE CENTER, 601 DR MARTIN LUTHER KING BOULEVARD, ALBUQUERQUE, NM 87102 | DIRECTOR | 0 | $0 |
| CHRISTOPHER DEIBERT MD EMORY ST JOSEPHS HOSPITAL, 5665 PEACHTREE DUNWOODY ROAD NE, ATLANTA, GA 30342 | DIRECTOR | 0 | $0 |
| JOHN A KALAPURAKAL MD 251 E HURON LOWER CONCOURSE STE 178, CHICAGO, IL 60611 | DIRECTOR | 0 | $0 |
| MICHAEL SCHULDER MD NORTHWELL LIJ HEALTH SYSTEM, 450 LAKEVILLE ROAD, LAKE SUCCESS, NY 11042 | DIRECTOR | 0 | $0 |
| JAMES MCINERNEY MD PENN STATE HERSHEY, 500 UNIV DR SOUTH ANNEX, HERSHEY, PA 17033 | DIRECTOR | 0 | $0 |
| CHRISTOPHER CIFARELLI MD PHD WVU ROBERT C BYRD HEALTH SCIENCES, 1 MEDICAL CTR DR, MORGANTOWN, WV 265069183 | DIRECTOR | 0 | $0 |
| HUAICHE WADE YANG MD TAIPEI VETERANS GENERAL HOSPITAL, NO 201 SECTION 2 SHIPAI ROAD, TAIPEI CITY, TAIPEI CITY , TAI 11217 ROC, TW | DIRECTOR | 0 | $0 |
| ROMAN LISCAK MD NA HOMOLCE HOSPITAL, ROENTGENOVA 37 2, PRAHA, PRAHA 150 00, EZ | DIRECTOR | 0 | $0 |
| HERWIN SPECKTER MD CENTRO GAMMA KNIFE DOMINICANO, CEDIMAT PLAZA DE LA SALUD ENSANCHE, SANTO DOMINGO, SANTO DOMINGO, DR | DIRECTOR | 0 | $0 |
| RONALD E WARNICK MD MAYFIELD CLINIC JEWISH HOSPITAL, 3825 EDWARDS ROAD, CINCINNATI, OH 45209 | DIRECTOR | 0 | $0 |
| WAEL REDA MD NASSER INST GGK CTR CAIRO, 1351 KORNICH EL NILE SHOBRA, CAIRO, 11672, EG | DIRECTOR | 0 | $0 |
| JOSEPH WEINER MD ROBERT WOOD JOHNSON UNIVERSITY HOSP, ONE ROBERT WOOD JOHNSON PLACE, NEW BRUNSWICK, NJ 08901 | DIRECTOR | 0 | $0 |
| DANIEL TRIFILETTI MD MAYO CLINIC JACKSONVILLE, 450 SAN PABLO RD S, JACKSONVILLE, FL 32224 | DIRECTOR | 0 | $0 |
| CAROLINA BENJAMIN MD UNIVERSITY OF MIAMI, 1295 NORTHWEST 14TH ST STE 1700, MIAMI, FL 33125 | DIRECTOR | 0 | $0 |
| CHAD RUSTHOVEN MD UNIV OF COLORADO ROCKY MTN GK CTR, 1665 AURORA CT STE 1032, AURORA, CO 80045 | DIRECTOR | 0 | $0 |
| GREGORY P LEKOVIC HOUSE EAR INSTITUTE, 431 S BATAVIA ST 200, ORANGE, CA 92868 | DIRECTOR | 0 | $0 |
| GREGORY N BOWDEN UNIVERSITY OF ALBERTA HOSPITAL, 8440 112 ST NW, EDMONTON, ALBERTA, CA | DIRECTOR | 0 | $0 |
| DR JOSHUA PALMER OHIO STATE UNIVERSITY, 460 WEST 10TH AVENUE, COLUMBUS, OH 43210 | DIRECTOR | 0 | $0 |
| PROF DR SELCUK PEKER KOC UNIVERSITY SCH OF MED GAMA KNIF, DAVUTPASA CAD NO 4, TOPKAPI, ISTANBUL 34010, TU | DIRECTOR | 0 | $0 |
| MATTHEW SHEPARD MD ALLEGHENY HEALTH NETWORK, 320 E NORTH AVE SOUGH TOWER 208, PITTSBURGH, PA 15212 | DIRECTOR | 0 | $0 |
| MANMEET S AHLUWALIA MD MBA MIAMI CANTER INST BAPTIST HEALTH S, 8900 N KENDAL DRIVE, MIAMI, FL 33176 | DIRECTOR | 0 | $0 |
| NATHAN T ZWAGERMAN MD MEDICAL COLLEGE OF WI NEURO INST, 900 N 92ND ST, MILKAUKEE, WI 53226 | DIRECTOR | 0 | $0 |
| GABRIEL ZADA MD UNIV OF CA KECK SCHOOL OF MEDICINE, 1520 SAN PABLO ST SUITE 3800, LOS ANGELES, CA 90033 | DIRECTOR | 0 | $0 |
| HIDEYUKI KANU MD DOKKYO MEDICAL CENTER, 880 KITAKOBAYASHI MIBU, SHIMOTSUGAGUN, TOCHIGI, JA | DIRECTOR | 0 | $0 |
| TEHILA KAISMAN ELBAZ MD PHD BPT SHEBA TEL HASHOMER MEDICAL CENTER, RAMAT GAN, RAMAT GAN 52621, IS | DIRECTOR | 0 | $0 |
| C J JARED CHEN MD UT MCGOVERN MEDICAL SCHOOL, 6400 FANNIN ST STE 2800, HOUSTON, TX 77030 | DIRECTOR | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 200 LOTHROP ST STE 158, PITTSBURGH, PA 15213-2536
- In care of
- % L DADE LUNSFORD
- Signed the 990-PF
- JOHN SUH MD, SECRETARY/TREASURER
- Phone
- (412) 647-6781
- Website
- HTTP://WWW.IRR-F.ORG
- Return prepared by
- CPA WEXFORD PARTNERS
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 27-0773676
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2010
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Medical research (H30)
- Assets (IRS master file)
- $894,845
- Income (IRS master file)
- $116,619
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | $116,619 | $40,026 | $894,845 | XML |
| 990-PF | December 2023 | $91,734 | $50,833 | $836,355 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 27-0773676).
Questions about INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION
- What is the EIN of INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION?
- The employer identification number (EIN) of INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION is 27-0773676.
- Is INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
- Are donations to INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
- Who are the officers and directors of INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION?
- The 990-PF for the year ended December 31, 2024 lists 36 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL RADIOSURGERY RESEARCH FOUNDATION have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $116,619, expenses of $40,026 and total assets of $894,845 at year end.
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