Gregory Chang, M.D.
Diagnostic Radiology Physician · New York, NY
Gregory Chang, M.D. is a diagnostic radiology physician with a practice address in New York, New York, and NPI 1881892883, issued on Jul 11, 2007. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory Chang
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- Practice location
- 660 1St Ave FL 3, New York, NY 10016
- Phone
- (212) 263-3350
- Enumerated
- Jul 11, 2007
- Record last updated
- Mar 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090709000278); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2003
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,146 in New York → Look up another NPI →
Also registered at 660 1St Ave FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Meghan Jardon Zikaras, M.D.Diagnostic Radiology Physician1194188201
- Hoon Ji, M.D.Body Imaging Physician1225151343
- Lisa LavelleDiagnostic Radiology Physician1962859439
- Abhinav Vij, M.D., M.P.H.Diagnostic Radiology Physician1710263470
Verify Gregory Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Chang among 3,146 diagnostic radiology physician records in New York
Gregory Chang, M.D. is one of 3,146 diagnostic radiology physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2003 · median 2002 among the 2,169 with a school on file
- Record last updated2015 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
950 diagnostic radiology physician records list a practice address in New York
They are 950 of the 98,468 NPPES records with a practice address in New York, and 3,146 diagnostic radiology physician records in New York.
All 3,146 in New York → Every provider in New York → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ronald Adler, PH.D., M.D.New York, NY 100161932102753
- Michael Ambrosino, M.D.New York, NY 100161497719991
- John Amodio, M.D.New York, NY 100161164486668
- Barbara Baskin, M.DNew York, NY 100161740250182
- Nancy Genieser, M.D.New York, NY 100161487618047
- Giovanna Giovanniello, M.D.New York, NY 100161609830280
- Orna Hadar, M.DNew York, NY 100161669443867
- Nicole Hindman, M.D.New York, NY 100161972574549
Common questions
What is Gregory Chang, M.D.'s NPI number?
Gregory Chang, M.D.'s National Provider Identifier (NPI) is 1881892883, issued on Jul 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Chang, M.D. located?
The NPPES record lists a practice address at 660 1St Ave FL 3, New York, NY, 10016. Phone: (212) 263-3350. Providers update this record themselves, so call before visiting.
How can I verify Gregory Chang, M.D.'s license?
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.
What is Gregory Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.