Nancy Mai Lin Chang, M.D.
Internal Medicine Physician · New York, NY
Nancy Mai Lin Chang, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1033205190, issued on Oct 5, 2006. Check the license (New York 204622, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nancy Mai Lin Chang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 204622 NY
Self-reported in NPPES; status is on the state search - Practice location
- 622 W 168TH St, New York, NY 10032
- Phone
- (212) 305-2913
- Enumerated
- Oct 5, 2006
- Record last updated
- Aug 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 01854026 NY
- Medicare enrollment
- Enrolled (PECOS I20120130000427); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 622 W 168TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shauna Abdouche, MDStudent in an Organized Health Care Education/Training Program1316400484
- Irum AbdullahStudent in an Organized Health Care Education/Training Program1366307555
- Samantha Abel, PA-CPhysician Assistant1619485018
- Alvin AbellaAcute Care Nurse Practitioner1588068233
- Abenezer AberaStudent in an Organized Health Care Education/Training Program1386348340
Verify Nancy Mai Lin 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 204622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,067 Medicare Part D claims for 200 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium410 claims
- Amlodipine Besylate279 claims
- Fluticasone Propionate145 claims
- Losartan Potassium139 claims
- Jardiance133 claims
- Metformin Hcl127 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 MIPS final score for 2023 (Medicare payment program): 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).
Bills Medicare through one group practice
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Mai Lin Chang among 12,067 internal medicine physician records in New York
Nancy Mai Lin Chang, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2002 among the 7,221 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Ian Kronish, MDNew York, NY 100321073542866
- Roy Lackey, MDNew York, NY 100321578571469
Common questions
What is Nancy Mai Lin Chang, M.D.'s NPI number?
Nancy Mai Lin Chang, M.D.'s National Provider Identifier (NPI) is 1033205190, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Mai Lin Chang, M.D. located?
The NPPES record lists a practice address at 622 W 168TH St, New York, NY, 10032. Phone: (212) 305-2913. Providers update this record themselves, so call before visiting.
How can I verify Nancy Mai Lin Chang, M.D.'s license?
NPPES lists New York license number 204622, 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 Nancy Mai Lin Chang, M.D. prescribe under Medicare Part D?
In 2024, Nancy Mai Lin Chang, M.D. had 3,067 Medicare Part D claims for 200 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nancy Mai Lin Chang, M.D.'s MIPS final 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), 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.