Stacy Fang, M.D.
Obstetrics & Gynecology Physician · San Francisco, CA
Stacy Fang, M.D. is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1558763250, issued on Sep 24, 2014. Check the license (California A140045, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stacy Fang
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A140045 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Van Ness Ave, San Francisco, CA 94109
- Phone
- (415) 750-7050
- Enumerated
- Sep 24, 2014
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (415) 369-1389
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1100 Van Ness Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Haila AlbgalFamily Nurse Practitioner1417566043
- Ashley Arnold, LCSWClinical Social Worker1710559687
- Anjali Asrani, NPNurse Practitioner1184279770
- Ginny BaoEndocrinology, Diabetes & Metabolism Physician1801383286
Verify Stacy Fang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
159 Medicare Part D claims for 71 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Estradiol40 claims
- Estring21 claims
- Yuvafem16 claims
- Progesterone14 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.
Stacy Fang among 5,088 obstetrics & gynecology physician records in California
Stacy Fang, 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 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2021 · 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
- Anna Buchsbaum, M.D.San Francisco, CA 941091689806317
- Izumi Cabrera, M.D.San Francisco, CA 941091346430584
- Karen Chu, MDSan Francisco, CA 941091053436899
- Jason Dimsdale, MDSan Francisco, CA 941091457333973
- Geraldine EkpoSan Francisco, CA 941091356503643
- Laurie Green, M.D.San Francisco, CA 941091679641658
- Sarah Hebl, M.D.San Francisco, CA 941091649536483
- Maureen Khoo, MDSan Francisco, CA 941091932293560
Common questions
What is Stacy Fang, M.D.'s NPI number?
Stacy Fang, M.D.'s National Provider Identifier (NPI) is 1558763250, issued on Sep 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Stacy Fang, M.D. located?
The NPPES record lists a practice address at 1100 Van Ness Ave, San Francisco, CA, 94109. Phone: (415) 750-7050. Providers update this record themselves, so call before visiting.
How can I verify Stacy Fang, M.D.'s license?
NPPES lists California license number A140045, 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 Stacy Fang, M.D. prescribe under Medicare Part D?
In 2024, Stacy Fang, M.D. had 159 Medicare Part D claims for 71 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.