Olcay Batuman, M.D.
Hematology & Oncology Physician · Brooklyn, NY
Olcay Batuman, M.D. is a hematology & oncology physician with a practice address in Brooklyn, New York, and NPI 1316931579, issued on Sep 2, 2005. Check the license (New York 191131-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Olcay Batuman
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 191131-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 450 Clarkson Ave, Brooklyn, NY 11203
- Phone
- (718) 270-2785
- Enumerated
- Sep 2, 2005
- Record last updated
- Sep 26, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (718) 270-1578
- Medicaid ID
- 02544883 NY
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 450 Clarkson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmed AbdelfattahStudent in an Organized Health Care Education/Training Program1508708959
- Haram AbdelmajidStudent in an Organized Health Care Education/Training Program1093348054
- Sara AbdelrahamanStudent in an Organized Health Care Education/Training Program1659143568
Verify Olcay Batuman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 191131-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
12 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Olcay Batuman among 1,163 hematology & oncology physician records in New York
Olcay Batuman, M.D. is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Brooklyn → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Jordonna BrownBrooklyn, NY 112031467985564
- Edwin ChiuBrooklyn, NY 112031104261569
- Jason Gonsky, M.D., PH.D.Brooklyn, NY 112031184835035
- Vinita Gupta, M.D.Brooklyn, NY 112031710181870
- Madhumati Kalavar, MDBrooklyn, NY 112031215991070
- Leen Khoury, MDBrooklyn, NY 112031790247922
- Kathleen Killoran, M.D.Brooklyn, NY 112031558551242
- Mohan Preet, MDBrooklyn, NY 112031134243595
Common questions
What is Olcay Batuman, M.D.'s NPI number?
Olcay Batuman, M.D.'s National Provider Identifier (NPI) is 1316931579, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Olcay Batuman, M.D. located?
The NPPES record lists a practice address at 450 Clarkson Ave, Brooklyn, NY, 11203. Phone: (718) 270-2785. Providers update this record themselves, so call before visiting.
How can I verify Olcay Batuman, M.D.'s license?
NPPES lists New York license number 191131-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Olcay Batuman, M.D. prescribe under Medicare Part D?
In 2024, Olcay Batuman, M.D. had 12 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.