John P. Brennan, M.D.
Obstetrics & Gynecology Physician · Brooklyn, NY
John P. Brennan, M.D. is an obstetrics & gynecology physician with a practice address in Brooklyn, New York, and NPI 1689799447, issued on Mar 20, 2007. Check the license (New York 174425, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John P. Brennan
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 174425 NY
Self-reported in NPPES; status is on the state search - Practice location
- 220 Pacific St, Brooklyn, NY 11201
- Phone
- (718) 222-3636
- Enumerated
- Mar 20, 2007
- Record last updated
- Jan 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (718) 222-4921
- Medicaid ID
- 01155706 NY
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Verify John P. Brennan 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 174425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John P. Brennan among 3,174 obstetrics & gynecology physician records in New York
John P. Brennan, M.D. is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 41% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2014 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in New York
There are 3,174 obstetrics & gynecology physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,174 in New York → Every provider in Brooklyn → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Leslie Bizovi, MDBrooklyn, NY 112011518005594
- Dennis Blanchette, MDBrooklyn, NY 112011336108083
- Szuyu Chen, MDBrooklyn, NY 112011578726105
- Millicent Comrie, MDBrooklyn, NY 112011598724213
- Miriam Cremer, MDBrooklyn, NY 112011427110725
- Ila Dayananda, MD, MPHBrooklyn, NY 112011558548446
- Thomasena Ellison, MD FACOGBrooklyn, NY 112011114000403
- Kelley Halstead, MDBrooklyn, NY 112011063420552
Common questions
What is John P. Brennan, M.D.'s NPI number?
John P. Brennan, M.D.'s National Provider Identifier (NPI) is 1689799447, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John P. Brennan, M.D. located?
The NPPES record lists a practice address at 220 Pacific St, Brooklyn, NY, 11201. Phone: (718) 222-3636. Providers update this record themselves, so call before visiting.
How can I verify John P. Brennan, M.D.'s license?
NPPES lists New York license number 174425, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.