Chuan-Hsin Chang, M.D.
Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
Chuan-Hsin Chang, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in San Francisco, California, and NPI 1033377841, issued on May 28, 2008. Check the license (California A110086, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chuan-Hsin Chang
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A110086 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1520 Stockton St, San Francisco, CA 94133
- Phone
- (415) 391-9686
- Enumerated
- May 28, 2008
- Record last updated
- Jan 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110511000334); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 2008
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 1520 Stockton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mai Abdelnabi, MDRheumatology Physician1013394980
- Sabi Ahmed, M.D.Family Medicine Physician1760630461
- Christine Anne Alvarez, RNRegistered Nurse1740928647
- Alice ChanRegistered Nurse1184408536
- Beverley Chan, PHARM DPharmacist1942750260
- Lily Chan, R.N.Community Health Registered Nurse1073868659
Verify Chuan-Hsin Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110086Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,374 Medicare Part D claims for 328 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Metformin Hcl242 claims
- Jardiance216 claims
- Trulicity159 claims
- Januvia140 claims
- Glipizide121 claims
- Ozempic101 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
- County OF San MateoSan Mateo, CA
- North East Medical ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chuan-Hsin Chang among 1,131 endocrinology, diabetes & metabolism physician records in California
Chuan-Hsin Chang, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 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 58% of them.
- NPI issued2008 · 58% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2008 · median 2003 among the 779 with a school on file
- Record last updated2017 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in San Francisco → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Ivana SheuSan Francisco, CA 941331952763419
- Mark Anderson, MDSan Francisco, CA 941431013971001
- Lewis Blevins, MDSan Francisco, CA 941431295822393
- Ira Goldfine, MDSan Francisco, CA 941431508823675
- Eric Goldman, M.D.San Francisco, CA 941431922194869
- Elizabeth Holt, MDSan Francisco, CA 941431184607392
- Victoria Hsiao, MD, PHDSan Francisco, CA 941431659418655
- Martha Kennedy, M.D.San Francisco, CA 941431982651022
Common questions
What is Chuan-Hsin Chang, M.D.'s NPI number?
Chuan-Hsin Chang, M.D.'s National Provider Identifier (NPI) is 1033377841, issued on May 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Chuan-Hsin Chang, M.D. located?
The NPPES record lists a practice address at 1520 Stockton St, San Francisco, CA, 94133. Phone: (415) 391-9686. Providers update this record themselves, so call before visiting.
How can I verify Chuan-Hsin Chang, M.D.'s license?
NPPES lists California license number A110086, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chuan-Hsin Chang, M.D. prescribe under Medicare Part D?
In 2024, Chuan-Hsin Chang, M.D. had 2,374 Medicare Part D claims for 328 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.