Joseph A. Nash, M.D.
Gastroenterology Physician · New York, NY
Joseph A. Nash, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1205808532, issued on Feb 2, 2006. Check the license (New York 184791, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Joseph A. Nash
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 184791 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3 E 83RD St, New York, NY 10028
- Phone
- (212) 734-3444
- Enumerated
- Feb 2, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (212) 734-0370
- Medicaid ID
- 01671214 NY
- Medicare enrollment
- Enrolled (PECOS I20100804000305); may accept Medicare assignment
- Medical or professional school
- New York Medical College, 1989
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 3 E 83RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph A. Nash 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 184791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average gastroenterology physician in 2024
264 Medicare Part D claims for 137 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf91 claims
- Pantoprazole Sodium35 claims
- Omeprazole17 claims
- Famotidine12 claims
- Gavilyte-G11 claims
- Lisinopril11 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.
Joseph A. Nash among 1,797 gastroenterology physician records in New York
Joseph A. Nash, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1989 · median 1999 among the 1,378 with a school on file
- Record last updated2026 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in New York → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Berman, M.D.New York, NY 100281962442517
- Anthony Borcich, M.D.New York, NY 100281164599627
- Peter Chang, M.D.New York, NY 100281619995610
- Mark Chapman, M.D.New York, NY 100281649294661
- Peter Distler, MDNew York, NY 100281548231160
- Leon Kavaler, MDNew York, NY 100281720015837
- Shawn Khodadadian, M.D.New York, NY 100281952505018
- Elena Nascimbeni Ferran, MDNew York, NY 100281578603213
Common questions
What is Joseph A. Nash, M.D.'s NPI number?
Joseph A. Nash, M.D.'s National Provider Identifier (NPI) is 1205808532, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Nash, M.D. located?
The NPPES record lists a practice address at 3 E 83RD St, New York, NY, 10028. Phone: (212) 734-3444. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Nash, M.D.'s license?
NPPES lists New York license number 184791, 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 Joseph A. Nash, M.D. prescribe under Medicare Part D?
In 2024, Joseph A. Nash, M.D. had 264 Medicare Part D claims for 137 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.