Andrew A. Chang, MD,MPH,MA
Allergy & Immunology (Internal Medicine) Physician · Brooklyn, NY
Andrew A. Chang, MD,MPH,MA is an allergy & immunology (internal medicine) physician with a practice address in Brooklyn, New York, and NPI 1083889117, issued on Apr 29, 2008. Check the license (New York 258231-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Andrew A. Chang
- Credential
- MD,MPH,MA
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License numbers
- 258231-1 NY
12715045-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 451 Clarkson Ave, Brooklyn, NY 11203
- Phone
- (718) 245-3325
- Enumerated
- Apr 29, 2008
- Record last updated
- Oct 5, 2023
- Fax
- (718) 245-5587
- Medicaid ID
- 03491921 NY
- Medicare enrollment
- Enrolled (PECOS I20230724002022); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 61 in New York → Look up another NPI →
Also registered at 451 Clarkson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwa Abdou, M.DPediatrics Physician1710245717
- Ismail Abdul-Wahid, PA-CSurgical Physician Assistant1124656350
- Rashed Abedin, M.D.Internal Medicine Physician1386683225
- Kelechi Acholonu, DOAddiction Medicine (Preventive Medicine) Physician1144849696
- Angela Adams, LCSWClinical Social Worker1598085607
- Sapna Adappa, D.D.S.Student in an Organized Health Care Education/Training Program1598052128
Verify Andrew A. 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 258231-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% more Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
1,551 Medicare Part D claims for 159 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium105 claims
- Levothyroxine Sodium67 claims
- Gabapentin64 claims
- Omeprazole63 claims
- Trazodone Hcl61 claims
- Rosuvastatin Calcium52 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 practice group's MIPS final score for 2023 (Medicare payment program): 92.1 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
- University OF Utah Adult ServicesSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew A. Chang among 61 allergy & immunology (internal medicine) physician records in New York
Andrew A. Chang, MD,MPH,MA is one of 61 allergy & immunology (internal medicine) physician records with a practice address in New York. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 1999 among the 38 with a school on file
- Record last updated2023 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in New York
There are 61 allergy & immunology (internal medicine) physician records in New York.
All 61 in New York → Every provider in Brooklyn → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Rauno Joks, M.D.Brooklyn, NY 112031770577447
- Norman Greeley, M.D.Brooklyn, NY 112011477567428
- David Sanchez, MDBrooklyn, NY 112091407346745
- Richard Kolchin, MDBrooklyn, NY 112121194769083
- Alexander Babazadeh, M.D.Brookyln, NY 112191285088815
- James Pellegrini, MDBrooklyn, NY 112291760431829
- Dina Liberman, M.D.Brooklyn, NY 112351417986878
- Yiqun Hui, MD, PHDFlushing, NY 113541538490453
Common questions
What is Andrew A. Chang, MD,MPH,MA's NPI number?
Andrew A. Chang, MD,MPH,MA's National Provider Identifier (NPI) is 1083889117, issued on Apr 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Andrew A. Chang, MD,MPH,MA located?
The NPPES record lists a practice address at 451 Clarkson Ave, Brooklyn, NY, 11203. Phone: (718) 245-3325. Providers update this record themselves, so call before visiting.
How can I verify Andrew A. Chang, MD,MPH,MA's license?
NPPES lists New York license number 258231-1, 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 Andrew A. Chang, MD,MPH,MA prescribe under Medicare Part D?
In 2024, Andrew A. Chang, MD,MPH,MA had 1,551 Medicare Part D claims for 159 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.
What is Andrew A. Chang, MD,MPH,MA's MIPS final score?
The 2023 MIPS final score is 92.1 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.