John N. Nguyen, M.D.
Maternal & Fetal Medicine Physician · Brooklyn, NY
John N. Nguyen, M.D. is a maternal & fetal medicine physician with a practice address in Brooklyn, New York, and NPI 1336252691, issued on Aug 17, 2006. Check the license (New York 228401, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John N. Nguyen
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 228401 NY
Self-reported in NPPES; status is on the state search - Practice location
- 506 6TH St, Brooklyn, NY 11215
- Phone
- (718) 780-5610
- Enumerated
- Aug 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (718) 780-7761
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 292 in New York → Look up another NPI →
Also registered at 506 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Abadi, MDPediatrics Physician1003298993
- Haley Abbott, DDSStudent in an Organized Health Care Education/Training Program1568313161
- Jacob Abraham, MDStudent in an Organized Health Care Education/Training Program1043009665
- Maria Abraham, M.D.Pediatrics Physician1184039463
- Alexander Abramov, PA-CPhysician Assistant1487339511
- Eric Abrams, M.D.Emergency Medicine Physician1851737340
Verify John N. Nguyen 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 228401Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average maternal & fetal medicine physician in 2024
14 Medicare Part D claims, against an average of 41 among the 353 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
John N. Nguyen among 292 maternal & fetal medicine physician records in New York
John N. Nguyen, M.D. is one of 292 maternal & fetal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in New York
There are 292 maternal & fetal medicine physician records in New York.
All 292 in New York → Every provider in Brooklyn → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Farah AlsayyedBrooklyn, NY 112151649765900
- Jacqueline Bush, MDBrooklyn, NY 112151174596241
- Frederick Gonzalez, M.D.Brooklyn, NY 112151841211265
- Tracy Grossman, M.D.Brooklyn, NY 112151356714950
- Natan Haratz-Rubinstein, MDBrooklyn, NY 112151619942810
- Sanford Lederman, MDBrooklyn, NY 112151679548887
- Fatima Estrada Trejo, M.D.Brooklyn, NY 112191861811465
- Liat Applewhite, MDBrooklyn, NY 112201710093000
Common questions
What is John N. Nguyen, M.D.'s NPI number?
John N. Nguyen, M.D.'s National Provider Identifier (NPI) is 1336252691, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John N. Nguyen, M.D. located?
The NPPES record lists a practice address at 506 6TH St, Brooklyn, NY, 11215. Phone: (718) 780-5610. Providers update this record themselves, so call before visiting.
How can I verify John N. Nguyen, M.D.'s license?
NPPES lists New York license number 228401, 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 John N. Nguyen, M.D. prescribe under Medicare Part D?
In 2024, John N. Nguyen, M.D. had 14 Medicare Part D claims; the average among maternal & fetal medicine physician prescribers was 41. 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.