STONY BROOK RADIATION ONCOLOGY UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2664726 STONYBROOK, NY
- Revenue 2023
- $3,557,268
- Expenses 2023
- $4,113,672
Program services were 90.0% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.
As filed
- Subsection
- 03
- NTEE code
- E20
- Classification
- 1000
- Street
- PO BOX 1554
These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).
Other organizations at this address
19 other organizations in the IRS Business Master File list the same street address. matched by us
We match the street line and ZIP code as the IRS gives them, ignoring case and outer spaces and nothing else, so "AVE" and "AVENUE" count as different streets and this list can miss some. A shared address can mean related organizations or a shared office, but it can also be a registered agent, a mail drop or a service provider holding mail for unrelated clients. It is not, by itself, evidence that two organizations are connected.
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NEUROLOGY ASSOCIATES OF STONY BROOK UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2587430
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NEW YORK SPINE AND BRAIN SURGERY UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2645930
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SB CLINICAL PRACTICE MANAGEMENT PLAN INC
EIN 46-1787308
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STONY BROOK ANESTHESIOLOGY UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2553515
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STONY BROOK CHILDRENS SERVICE UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2571524
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STONY BROOK CLINICAL PRACTICE MGMT PLAN REALTY CORPORATION
EIN 11-3285712
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STONY BROOK DERMATOLOGY ASSOCIATES UNIVERSITY FACULTY PRACTICE CORPOR
EIN 11-3011790
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STONY BROOK EMERGENCY PHYSICIANS UNIVERSITY FACULTY PRACTICE CORPOR
EIN 11-3066770
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STONY BROOK FAMILY AND PREVENTIVE MEDICINE UNIV FACULTY PRACTICE COR
EIN 11-2552321
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STONY BROOK INTERNISTS P C
EIN 11-2558775
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STONY BROOK OPHTHALMOLOGY UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2658697
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STONY BROOK ORTHOPAEDIC ASSOCIATES UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2593061
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STONY BROOK PATHOLOGISTS UNIVERSITY FACULTY PRACTICE CORPORATION
EIN 11-2647243
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STONY BROOK PSYCHIATRIC ASSOCIATES UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2590096
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STONY BROOK RADIOLOGY UNIVERSITY FACULTY PRACTICE CORPORATION
EIN 11-2548304
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STONY BROOK SURGICAL ASSOCIATES UNIVERSITY FACULTY PRACTICE CORP
EIN 11-2552333
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STONY BROOK SURGICAL HOLDING CORP
EIN 11-6434538
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STONY BROOK UROLOGY UNIVERSITY FACULTY PRACTICE CORPORATION
EIN 11-2644371
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UNIVERSITY ASSOCIATES IN OBSTETRICS & GYNECOLOGY P C
EIN 11-2569522
Mission and programs · 2023
Mission
PROVIDE CLINICAL INSTRUCTION TO AND SUPERVISION OF MEDICAL SCHOOL STUDENTS, INTERNS AND RESIDENTS AND, INCIDENT THERETO, RENDERING PROFESSIONAL SERVICES.
Activities or mission (Part I)
PROVIDE CLINICAL INSTRUCTION TO AND SUPERVISION OF MEDICAL STUDENTS, INTERNS AND RESIDENTS AND, INCIDENT THERETO, RENDERING PROFESSIONAL SERVICES.
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THE ORGANIZATION PROVIDES SERVICES IN THE FIELD OF RADIATION ONCOLOGY TO PATIENTS, PROVIDES CLINICAL INSTRUCTION TO AND SUPERVISION OF SCHOOL OF MEDICINE STUDENTS AND HOSPITAL RESIDENTS.
Expenses $3,701,987 · Revenue $3,551,629
As filed on the 2023 return.
Officers and directors · 2023
As listed in Part VII of the 2023 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.
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Edward ValentineEDWARD VALENTINE
DIRECTOR/SECRETARY/TREASURER
- Total calculated
- $289,951
- From this org
- $243,954
- From related orgs
- $0
- Other
- $45,997
- Hours/week
- 40 + 10 related
Schedule J breakdown matched by us
- Base
- $220,996
- Bonus
- $21,000
- Other
- $1,958
- Deferred
- $23,172
- Nontaxable benefits
- $287 + $22,538 related
- Filer's total
- $267,413 + $22,538 related
-
Samuel RyuSAMUEL RYU
President & Director
- Total calculated
- $944,744
- From this org
- $514,576
- From related orgs
- $326,763
- Other
- $103,405
- Hours/week
- 40 + 10 related
Schedule J breakdown matched by us
- Base
- $425,000 + $326,763 related
- Bonus
- $86,966
- Other
- $2,610
- Deferred
- $36,600 + $42,479 related
- Nontaxable benefits
- $1,788 + $22,538 related
- Filer's total
- $552,964 + $391,780 related
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Alexander StessinALEXANDER STESSIN
DIRECTOR
- Total calculated
- $488,029
- From this org
- $342,322
- From related orgs
- $74,701
- Other
- $71,006
- Hours/week
- 40 + 10 related
Schedule J breakdown matched by us
- Base
- $291,712 + $74,701 related
- Bonus
- $48,000
- Other
- $2,610
- Deferred
- $39,210 + $7,470 related
- Nontaxable benefits
- $1,788 + $22,538 related
- Filer's total
- $383,320 + $104,709 related
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Alexander SladeALEXANDER SLADE
RADIATION ONCOLOGY
- Total calculated
- $342,873
- From this org
- $285,767
- From related orgs
- $0
- Other
- $57,106
- Hours/week
- 40 + 10 related
Schedule J breakdown matched by us
- Base
- $250,168
- Bonus
- $33,000
- Other
- $2,599
- Deferred
- $33,980
- Nontaxable benefits
- $588 + $22,538 related
- Filer's total
- $320,335 + $22,538 related
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Clare MoranCLARE MORAN
RADIATION ONCOLOGY
- Total calculated
- $195,905
- From this org
- $93,347
- From related orgs
- $68,366
- Other
- $34,192
- Hours/week
- 40 + 10 related
Schedule J breakdown matched by us
- Base
- $86,034 + $68,366 related
- Bonus
- $6,182
- Other
- $1,131
- Deferred
- $11,066
- Nontaxable benefits
- $588 + $22,538 related
- Filer's total
- $105,001 + $90,904 related
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Kartik ManiKARTIK MANI
RADIATION ONCOLOGY
- Total calculated
- $455,927
- From this org
- $321,599
- From related orgs
- $67,254
- Other
- $67,074
- Hours/week
- 40 + 10 related
Schedule J breakdown matched by us
- Base
- $281,056 + $67,254 related
- Bonus
- $38,000
- Other
- $2,543
- Deferred
- $37,222 + $6,726 related
- Nontaxable benefits
- $588 + $22,538 related
- Filer's total
- $359,409 + $96,518 related
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Mark AshamallaMARK ASHAMALLA
RADIATION ONCOLOGY
- Total calculated
- $404,321
- From this org
- $278,745
- From related orgs
- $64,176
- Other
- $61,400
- Hours/week
- 40 + 10 related
Schedule J breakdown matched by us
- Base
- $245,168 + $64,176 related
- Bonus
- $31,000
- Other
- $2,577
- Deferred
- $33,140 + $5,134 related
- Nontaxable benefits
- $588 + $22,538 related
- Filer's total
- $312,473 + $91,848 related
Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. A Schedule J breakdown is as filed: base pay, bonus, other, deferred compensation and nontaxable benefits from this organization, with any from related organizations beside each, and the filer's own total. It is shown with the Part VII listing of the same name on the same return. The form gives no key between the two, so that pairing is ours, and is marked matched by us. Earlier years are each on their own filing page.
Filings
-
2023
- Revenue
- $3,557,268
- Expenses
- $4,113,672
- Contributions
- $0
- Grants paid
- $0
-
2022
- Revenue
- $4,122,906
- Expenses
- $3,931,172
- Contributions
- $0
- Grants paid
- $0
The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.
Other returns filed
-
2021 · 990
- Revenue
- $3,809,330
- Expenses
- $3,919,586
- Assets (EOY)
- $1,658,654
-
2020 · 990
- Revenue
- $3,397,200
- Expenses
- $4,060,744
- Assets (EOY)
- $1,571,179
-
2019 · 990
- Revenue
- $3,217,453
- Expenses
- $2,437,520
- Assets (EOY)
- $2,578,558
-
2018 · 990
- Revenue
- $2,802,277
- Expenses
- $2,382,850
- Assets (EOY)
- $1,799,712
-
2017 · 990
- Revenue
- $2,695,287
- Expenses
- $2,556,797
- Assets (EOY)
- $1,380,285
-
2016 · 990
- Revenue
- $2,762,325
- Expenses
- $2,557,541
- Assets (EOY)
- $1,241,795
-
2015 · 990
- Revenue
- $2,999,946
- Expenses
- $2,829,913
- Assets (EOY)
- $1,037,014
-
2014 · 990
- Revenue
- $3,033,012
- Expenses
- $2,773,595
- Assets (EOY)
- $866,981
-
2013 · 990
- Revenue
- $2,263,886
- Expenses
- $2,241,096
- Assets (EOY)
- $607,564
-
2012 · 990
- Revenue
- not reported
- Expenses
- $2,490,524
- Assets (EOY)
- $584,774
Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all. Showing the 10 most recent; the API carries the rest.
Grants made
No itemized grants to organizations. Schedule I is filed only by organizations that granted more than $5,000 to a recipient, so most filers have none.
Grants received
No itemized grant names this organization as a recipient. Only grants over $5,000 are itemized, and only by filers of the full Form 990.
Related organizations
From Schedule R Part II, where a filer lists the tax-exempt organizations it is related to by control. It does not record shared board members or money.
Declared on its 2023 return
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NEW YORK STATE
501(c)(1) · GOVERNMENT · NY
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TONY BROOK ANAESTHESIOLOGY UFPC
501(c)(3) · HEALTHCARE · NY
-
STONY BROOK DERMATOLOGY ASSOCIATES UFPC
501(c)(3) · HEALTHCARE · NY
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STONY BROOK CLIN PRACT MGMT REALTY CORP
501(c)(25) · RLTY HOLDING · NY
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STONY BROOK SURGICAL HOLDING CORP
501(c)(25) · RLTY HOLDING · NY
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SB CLINICAL PRACTICE MANAGEMENT PLAN INC
501(c)(3) · MGMT ACTIVITY · NY
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STONY BROOK EMERGENCY PHYSICIANS UFPC
501(c)(3) · HEALTHCARE · NY
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SB FAMILY AND PREVENTIVE MEDICINE UFPC
501(c)(3) · HEALTHCARE · NY
-
501(c)(3) · HEALTHCARE · NY
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NEW YORK SPINE AND BRAIN SURGERY UFPC
501(c)(3) · HEALTHCARE · NY
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NEUROLOGY ASSOC OF STONY BROOK UFPC
501(c)(3) · HEALTHCARE · NY
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UNIV ASSOC IN OBST & GYNECOLOGY UFPC
501(c)(3) · HEALTHCARE · NY
-
501(c)(3) · HEALTHCARE · NY
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STONY BROOK OPHTHALMOLOGY UFPC
501(c)(3) · HEALTHCARE · NY
-
STONY BROOK ORTHOPAEDIC ASSOCIATES UFPC
501(c)(3) · HEALTHCARE · NY
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STONY BROOK CHILDREN'S SERVICE UFPC
501(c)(3) · HEALTHCARE · NY
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STONY BROOK PSYCHIATRIC ASSOCIATES UFPC
501(c)(3) · HEALTHCARE · NY
-
501(c)(3) · HEALTHCARE · NY
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STONY BROOK SURGICAL ASSOCIATES UFPC
501(c)(3) · HEALTHCARE · NY
-
501(c)(3) · HEALTHCARE · NY
Declared as related by
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UNIVERSITY ASSOCIATES IN OBSTETRICS & GYNECOLOGY P C
On its 2024 return
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STONY BROOK OPHTHALMOLOGY UNIVERSITY FACULTY PRACTICE CORP
On its 2024 return
-
STONY BROOK ORTHOPAEDIC ASSOCIATES UNIVERSITY FACULTY PRACTICE CORP
On its 2024 return
-
NEW YORK SPINE AND BRAIN SURGERY UNIVERSITY FACULTY PRACTICE CORP
On its 2024 return
-
STONY BROOK CHILDRENS SERVICE UNIVERSITY FACULTY PRACTICE CORP
On its 2024 return
-
STONY BROOK PSYCHIATRIC ASSOCIATES UNIVERSITY FACULTY PRACTICE CORP
On its 2024 return
-
STONY BROOK UROLOGY UNIVERSITY FACULTY PRACTICE CORPORATION
On its 2024 return
-
STONY BROOK RADIOLOGY UNIVERSITY FACULTY PRACTICE CORPORATION
On its 2024 return
-
STONY BROOK SURGICAL HOLDING CORP
On its 2024 return
-
STONY BROOK ANESTHESIOLOGY UNIVERSITY FACULTY PRACTICE CORP
On its 2024 return
-
NEUROLOGY ASSOCIATES OF STONY BROOK UNIVERSITY FACULTY PRACTICE CORP
On its 2023 return
-
STONY BROOK CLINICAL PRACTICE MGMT PLAN REALTY CORPORATION
On its 2023 return
-
On its 2023 return
-
STONY BROOK FAMILY AND PREVENTIVE MEDICINE UNIV FACULTY PRACTICE COR
On its 2023 return
-
STONY BROOK DERMATOLOGY ASSOCIATES UNIVERSITY FACULTY PRACTICE CORPOR
On its 2023 return
-
STONY BROOK PATHOLOGISTS UNIVERSITY FACULTY PRACTICE CORPORATION
On its 2023 return
-
SB CLINICAL PRACTICE MANAGEMENT PLAN INC
On its 2023 return
-
STONY BROOK EMERGENCY PHYSICIANS UNIVERSITY FACULTY PRACTICE CORPOR
On its 2023 return
-
STONY BROOK SURGICAL ASSOCIATES UNIVERSITY FACULTY PRACTICE CORP
On its 2023 return
Taxable family
From Schedule R Parts I, III and IV: entities that legally are the filer, and taxable partnerships, corporations and trusts it is related to. These record ownership and control, not shared board members or money.
Related partnerships on its 2023 return
-
SB HLTHCARE IPA LLC
Related · HEALTHCARE · NY
Related corporations and trusts on its 2023 return
-
NICOLLS INDEMNITY SOLUTIONS SPC
C Corporation · SELF-INSURANCE · CJ
Other IRS files
Auto-Revocation List
Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.
Publication 78
Listed as of 13 October 2026, under deductibility PC.
These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.
What this page reflects
The registration facts above come from the IRS Business Master File published 13 October 2026 and read 1 November 2026, for every organization at once. Returns through tax year 2023, the newest we have parsed for this organization.