Yumei Mary Chang, M.D.
Internal Medicine Physician · New York, NY
Yumei Mary Chang, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1134381908, issued on Jul 1, 2008. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Yumei Mary Chang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD463062 PA
Self-reported in NPPES; status is on the state search - Practice location
- 250 W 64TH St, New York, NY 10023
- Phone
- (212) 769-6300
- Enumerated
- Jul 1, 2008
- Record last updated
- Jan 9, 2026
- Fax
- (212) 769-7825
- Medicare enrollment
- Enrolled (PECOS I20110707000202); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2007
- 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 250 W 64TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lily Ahmar, LCSWClinical Social Worker1871048587
- Inna Babaeva, OTR LOccupational Therapist1609825603
- Richard Baluran, PT, DPTPhysical Therapist1003957804
- Brenna Corr, OTR/LOccupational Therapist1396530242
- Larisa LitvinovaRegistered Nurse1407490139
- Michelle Roldan Idir, LMSWSocial Worker1053524355
Verify Yumei Mary 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
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,502 Medicare Part D claims for 103 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium129 claims
- Amlodipine Besylate59 claims
- Amlodipine-Valsartan59 claims
- Lisinopril52 claims
- Gabapentin48 claims
- Losartan Potassium48 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.
Industry payments in 2024: $26.28
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Jgb Rehabilitation CorporationNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yumei Mary Chang among 12,067 internal medicine physician records in New York
Yumei Mary 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2007 · median 2002 among the 7,221 with a school on file
- Record last updated2026 · 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 →
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- Richard Neufeld, M.D.New York, NY 100231932173549
Common questions
What is Yumei Mary Chang, M.D.'s NPI number?
Yumei Mary Chang, M.D.'s National Provider Identifier (NPI) is 1134381908, issued on Jul 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Yumei Mary Chang, M.D. located?
The NPPES record lists a practice address at 250 W 64TH St, New York, NY, 10023. Phone: (212) 769-6300. Providers update this record themselves, so call before visiting.
How can I verify Yumei Mary 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.
How much does Yumei Mary Chang, M.D. prescribe under Medicare Part D?
In 2024, Yumei Mary Chang, M.D. had 1,502 Medicare Part D claims for 103 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.