Peter Chang, M.D.
Gastroenterology Physician · New York, NY
Peter Chang, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1619995610, issued on Jul 17, 2006. Check the license (New York 207173, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Peter Chang
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 207173 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1049 Park Ave, New York, NY 10028
- Phone
- (212) 427-9888
- Enumerated
- Jul 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 427-2394
- Medicare enrollment
- Enrolled (PECOS I20041014000785); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1996
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 1049 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Borcich, M.D.Gastroenterology Physician1164599627
- Steven Mandel, M.D.Neurology Physician1760425102
- Ron Palmon, M.D.Gastroenterology Physician1831156504
- Jerome Shapiro, M.D.Cardiovascular Disease Physician1669471694
- Manish Zinzuvadia, M.D.Psychiatry Physician1063726966
Verify Peter Chang 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 207173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average gastroenterology physician in 2024
626 Medicare Part D claims for 171 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Omeprazole131 claims
- Linzess39 claims
- Pantoprazole Sodium33 claims
- Famotidine32 claims
- Clenpiq27 claims
- Mesalamine24 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.
Industry payments in 2024: $12,720.10
245 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Peter Chang among 1,797 gastroenterology physician records in New York
Peter Chang, 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
- Graduated1996 · median 1999 among the 1,378 with a school on file
- Record last updated2007 · 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
- 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
- Joseph Nash, M.D.New York, NY 100281205808532
Common questions
What is Peter Chang, M.D.'s NPI number?
Peter Chang, M.D.'s National Provider Identifier (NPI) is 1619995610, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Chang, M.D. located?
The NPPES record lists a practice address at 1049 Park Ave, New York, NY, 10028. Phone: (212) 427-9888. Providers update this record themselves, so call before visiting.
How can I verify Peter Chang, M.D.'s license?
NPPES lists New York license number 207173, 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 Peter Chang, M.D. prescribe under Medicare Part D?
In 2024, Peter Chang, M.D. had 626 Medicare Part D claims for 171 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.