Gregory Chang, MD, MBA
Emergency Medical Services (Emergency Medicine) Physician · New York, NY
Gregory Chang, MD, MBA is an emergency medical services (emergency medicine) physician with a practice address in New York, New York, and NPI 1154940419, issued on Apr 15, 2020. Check the license (New York 326294-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory Chang
- Credential
- MD, MBA
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 326294-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1275 York Ave, New York, NY 10065
- Phone
- (718) 250-8000
- Enumerated
- Apr 15, 2020
- Record last updated
- Mar 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20250512001025); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 169 in New York → Look up another NPI →
Also registered at 1275 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Aaronson, AC-PNP, RNCritical Care Pediatric Nurse Practitioner1407323504
- Michelle Abboud, N.P.Acute Care Nurse Practitioner1730596008
- Gina Abdulahad, PA-CPhysician Assistant1174027064
- Wassim Abida, MD, PHDHematology & Oncology Physician1518101096
- Lincy Abraham, NPPediatric Nurse Practitioner1295003739
Verify Gregory 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 326294-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
27 Medicare Part D claims for 14 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 2 group practices
- Memorial Urgent Care GroupNew York, NY
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Chang among 169 emergency medical services (emergency medicine) physician records in New York
Gregory Chang, MD, MBA is one of 169 emergency medical services (emergency medicine) physician records with a practice address in New York. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 92% of them.
- NPI issued2020 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2020 · median 1999 among the 64 with a school on file
- Record last updated2025 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in New York
There are 169 emergency medical services (emergency medicine) physician records in New York.
All 169 in New York → Every provider in New York → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Nail Bagautdinov, M.D.New York, NY 100401184689523
- Nga Lai, M.D.New York, NY 100371154677128
- Douglas Fields, M.D.New York, NY 100351962586248
- Jose Pelaez, M.D.New York, NY 100321003932849
- Ronald Shaw, MDNew York, NY 100291700969128
- Sarah Iosifescu, M.D.New York, NY 100191649702796
- William Chiang, MDNew York, NY 100161558423954
- Jeffrey Fine, MDNew York, NY 100161811963960
Common questions
What is Gregory Chang, MD, MBA's NPI number?
Gregory Chang, MD, MBA's National Provider Identifier (NPI) is 1154940419, issued on Apr 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Chang, MD, MBA located?
The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10065. Phone: (718) 250-8000. Providers update this record themselves, so call before visiting.
How can I verify Gregory Chang, MD, MBA's license?
NPPES lists New York license number 326294-01, 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 Gregory Chang, MD, MBA prescribe under Medicare Part D?
In 2024, Gregory Chang, MD, MBA had 27 Medicare Part D claims for 14 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.