Robert S. Bernstein, M.D.
Endocrinology, Diabetes & Metabolism Physician · New York, NY
Robert S. Bernstein, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1467439430, issued on Dec 29, 2005. Check the license (New York 107963, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Robert S. Bernstein
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 107963 NY
038923 CT
Self-reported in NPPES; status is on the state search - Practice location
- 425 W 59TH St, New York, NY 10019
- Phone
- (212) 492-5500
- Enumerated
- Dec 29, 2005
- Record last updated
- Aug 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 00190441 NY
- Medicare enrollment
- Enrolled (PECOS I20060321000473); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1965
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Also registered at 425 W 59TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathryn Baxter, N.P.Family Nurse Practitioner1962404566
Verify Robert S. Bernstein 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 107963Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,854 Medicare Part D claims for 418 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Ozempic289 claims
- Levothyroxine Sodium280 claims
- Metformin Hcl173 claims
- Januvia170 claims
- Mounjaro160 claims
- Jardiance158 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert S. Bernstein among 970 endocrinology, diabetes & metabolism physician records in New York
Robert S. Bernstein, M.D. is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% 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, 91% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1965 · median 2004 among the 694 with a school on file
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in New York → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Lynn Allen, M.D.New York, NY 100191003809146
- Maria Filopoulos, MDNew York, NY 100191245513969
- Sandra Foo, M.D.New York, NY 100191891788808
- Alina Gouller, MDNew York, NY 100191679563811
- Susan Kwok, MDNew York, NY 100191114044989
- Rawann NassarNew York, NY 100191447736848
- Emily NosovaNew York, NY 100191225423551
- Carmen Pal, M.D.New York, NY 100191942293774
Common questions
What is Robert S. Bernstein, M.D.'s NPI number?
Robert S. Bernstein, M.D.'s National Provider Identifier (NPI) is 1467439430, issued on Dec 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert S. Bernstein, M.D. located?
The NPPES record lists a practice address at 425 W 59TH St, New York, NY, 10019. Phone: (212) 492-5500. Providers update this record themselves, so call before visiting.
How can I verify Robert S. Bernstein, M.D.'s license?
NPPES lists New York license number 107963, 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 Robert S. Bernstein, M.D. prescribe under Medicare Part D?
In 2024, Robert S. Bernstein, M.D. had 2,854 Medicare Part D claims for 418 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.