Jan Breslow, M.D.
Endocrinology, Diabetes & Metabolism Physician · New York, NY
Jan Breslow, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1962604645, issued on Jun 4, 2007. Check the license (New York 123561-1, 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
- Jan Breslow
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 123561-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1230 York Ave, New York, NY 10021
- Phone
- (212) 327-7704
- Enumerated
- Jun 4, 2007
- Entity
- Type 1 · individual
Also registered at 1230 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jan Breslow 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 123561-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other endocrinology, diabetes & metabolism physician records in New York
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- Jill Abelseth, M.D.Albany, NY1720080039
- Sherley Abraham, M.D.New York, NY1871739441
- Connor Abramowicz, DOPort Jefferson, NY1508485913
- Jennifer Abrams, DOBrooklyn, NY1679101364
- Naim Abrar, M.D.Riverhead, NY1790702355
- Cesar Abuchaibe, MDNew York, NY1316250582
- Runa Acharya, MDSyracuse, NY1477817401
- Robert Aden, MDBrooklyn, NY1457312829
- Deena Adimoolam, MDNew York, NY1619110228
Common questions
What is Jan Breslow, M.D.'s NPI number?
Jan Breslow, M.D.'s National Provider Identifier (NPI) is 1962604645, issued on Jun 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jan Breslow, M.D. located?
The NPPES record lists a practice address at 1230 York Ave, New York, NY, 10021. Phone: (212) 327-7704. Providers update this record themselves, so call before visiting.
How can I verify Jan Breslow, M.D.'s license?
NPPES lists New York license number 123561-1, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.