Peter Chang, MD
Gastroenterology Physician · Nanuet, NY
Peter Chang, MD is a gastroenterology physician with a practice address in Nanuet, New York, and NPI 1366426264, issued on Dec 5, 2005. Check the license (New York 171437, 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
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 171437 NY
Self-reported in NPPES; status is on the state search - Practice location
- 55 Old Turnpike RD, Nanuet, NY 10954
- Phone
- (845) 623-8400
- Enumerated
- Dec 5, 2005
- Entity
- Type 1 · individual
Also registered at 55 Old Turnpike RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Ashenofsky, MDInternal Medicine Physician1437148780
- Tatiana BakerLicensed Practical Nurse1659610897
- Janice Bergman, PH.D.Psychologist1821172826
- Donna BurtonLicensed Practical Nurse1194061846
- Laura D'Angelo, LCSWSocial Worker1861543381
- Charles DuruLicensed Practical Nurse1114263761
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 171437Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.3 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,924 Medicare Part D claims for 303 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Pantoprazole Sodium203 claims
- Famotidine186 claims
- Omeprazole115 claims
- Amlodipine Besylate114 claims
- Rosuvastatin Calcium92 claims
- Atorvastatin Calcium86 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.
The Medicare quality score for 2023: 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Gastroenterology Physician providers in New York
There are 1,518 gastroenterology physician records in New York.
Other gastroenterology physician records in New York
- Elie Abadie, MDBrooklyn, NY1639235435
- Hafsa Abbas, MDFlushing, NY1487061438
- Naeem Abbas, MDValley Stream, NY1437432192
- Uzma Abbasi, M.D.Oneida, NY1275856106
- Muhammad Abdullah, MDBrooklyn, NY1053312645
- Arthur Abelow, MDBronx, NY1235242728
- Elie Abemayor, M.D.Mount Kisco, NY1376565358
- Jeffrey Abergel, MDCortlandt Manor, NY1649472382
- Chaim Abittan, MDGreat Neck, NY1972512002
- Joseph Aboujaoude, M.D.Staten Island, NY1750375416
Common questions
What is Peter Chang, MD's NPI number?
Peter Chang, MD's National Provider Identifier (NPI) is 1366426264, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Peter Chang, MD located?
The NPPES record lists a practice address at 55 Old Turnpike RD, Nanuet, NY, 10954. Phone: (845) 623-8400. Providers update this record themselves, so call before visiting.
How can I verify Peter Chang, MD's license?
NPPES lists New York license number 171437, 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, MD prescribe under Medicare Part D?
In 2024, Peter Chang, MD had 1,924 Medicare Part D claims for 303 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
What is Peter Chang, MD's Medicare quality score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.