Esther Hsuan-Hsin Chang, M.D.
Obstetrics & Gynecology Physician · San Francisco, CA
Esther Hsuan-Hsin Chang, M.D. is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1699764274, issued on Oct 17, 2005. Check the license (California A061553, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Esther Hsuan-Hsin Chang
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A061553 CA
233604 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1520 Stockton St, San Francisco, CA 94133
- Phone
- (415) 391-9686
- Enumerated
- Oct 17, 2005
- Record last updated
- Feb 16, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (212) 379-6929
- Medicare enrollment
- Enrolled (PECOS I20121102000263); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1995
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 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 Esther Hsuan-Hsin Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A061553Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
23 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $315.30
9 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- 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).
Esther Hsuan-Hsin Chang among 5,088 obstetrics & gynecology physician records in California
Esther Hsuan-Hsin Chang, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1995 · median 2004 among the 2,700 with a school on file
- Record last updated2017 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in San Francisco → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- John Ho, M.D.San Francisco, CA 941331073540225
- Rena Hu, M.D.San Francisco, CA 941331275774374
- Dong Hwang, MDSan Francisco, CA 941331700951233
- Leonard Rothman, M.D.San Francisco, CA 941331275807323
- Audrey Sue-Matsumoto, MDSan Francisco, CA 941331942569918
- Jonathan Wong, MDSan Francisco, CA 941331780750588
- Samuel Young, M.D.San Francisco, CA 941331588737894
- Ziyad Hannon, M.D.San Francisco, CA 941321942206560
Common questions
What is Esther Hsuan-Hsin Chang, M.D.'s NPI number?
Esther Hsuan-Hsin Chang, M.D.'s National Provider Identifier (NPI) is 1699764274, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Esther Hsuan-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 Esther Hsuan-Hsin Chang, M.D.'s license?
NPPES lists California license number A061553, 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 Esther Hsuan-Hsin Chang, M.D. prescribe under Medicare Part D?
In 2024, Esther Hsuan-Hsin Chang, M.D. had 23 Medicare Part D claims for 18 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.