Christine Chang, MD
Geriatric Medicine (Internal Medicine) Physician · New York, NY
Christine Chang, MD is a geriatric medicine (internal medicine) physician with a practice address in New York, New York, and NPI 1477529857, issued on Feb 27, 2006. Check the license (New York 2291261, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Christine Chang
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 2291261 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1440 Madison Ave, New York, NY 10029
- Phone
- (212) 659-8552
- Enumerated
- Feb 27, 2006
- Record last updated
- Oct 28, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 02501288 NY
- Medicare enrollment
- Enrolled (PECOS I20040421000620); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 508 in New York → Look up another NPI →
Also registered at 1440 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shahla Baharlou, MDGeriatric Medicine (Internal Medicine) Physician1598725921
- Patricia Bloom, MDGeriatric Medicine (Internal Medicine) Physician1699741074
- Eileen Callahan, MDGeriatric Medicine (Internal Medicine) Physician1396711776
- Emily Chai, MDHospice and Palliative Medicine (Internal Medicine) Physician1861468837
- Stephanie Chow, MDGeriatric Medicine (Family Medicine) Physician1346478518
- Audrey Chun, MDGeriatric Medicine (Internal Medicine) Physician1831166271
Verify Christine 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 2291261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
2,711 Medicare Part D claims for 257 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium262 claims
- Levothyroxine Sodium114 claims
- Amlodipine Besylate112 claims
- Metoprolol Succinate103 claims
- Losartan Potassium96 claims
- Eliquis80 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 one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine Chang among 508 geriatric medicine (internal medicine) physician records in New York
Christine Chang, MD is one of 508 geriatric medicine (internal medicine) 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 47% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1995 · median 1998 among the 272 with a school on file
- Record last updated2014 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New York
There are 508 geriatric medicine (internal medicine) physician records in New York.
All 508 in New York → Every provider in New York → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Shahla Baharlou, MDNew York, NY 100291598725921
- Patricia Bloom, MDNew York, NY 100291699741074
- Eileen Callahan, MDNew York, NY 100291396711776
- Audrey Chun, MDNew York, NY 100291831166271
- Helen Fernandez, MDNew York, NY 100291033185418
- Reena Karani, MDNew York, NY 100291427024702
- Beatriz Korc-Grodzicki, MDNew York, NY 100291336115617
- Rosanne Leipzig, MDNew York, NY 100291811964596
Common questions
What is Christine Chang, MD's NPI number?
Christine Chang, MD's National Provider Identifier (NPI) is 1477529857, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christine Chang, MD located?
The NPPES record lists a practice address at 1440 Madison Ave, New York, NY, 10029. Phone: (212) 659-8552. Providers update this record themselves, so call before visiting.
How can I verify Christine Chang, MD's license?
NPPES lists New York license number 2291261, 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 Christine Chang, MD prescribe under Medicare Part D?
In 2024, Christine Chang, MD had 2,711 Medicare Part D claims for 257 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.