Victoria Gah Hay Woo, M.D.
Obstetrics & Gynecology Physician · San Francisco, CA
Victoria Gah Hay Woo, M.D. is an obstetrics & gynecology physician with a practice address in San Francisco, California, and NPI 1437415957, issued on Apr 10, 2012. Check the license (California A128309, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Victoria Gah Hay Woo
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A128309 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Ave # 6D, San Francisco, CA 94110
- Phone
- (415) 476-5192
- Enumerated
- Apr 10, 2012
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (415) 476-1811
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1001 Potrero Ave # 6D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chitra Akileswaran, MDObstetrics & Gynecology Physician1053600734
- Michele Baron, MDObstetrics & Gynecology Physician1932594264
- Adam Bonnington, MDObstetrics & Gynecology Physician1811382328
- Katherine BritoStudent in an Organized Health Care Education/Training Program1104567171
- Arianna Cassidy, MDObstetrics & Gynecology Physician1902268923
- Andrea Dalve-Endres, MDObstetrics & Gynecology Physician1326225905
Verify Victoria Gah Hay Woo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A128309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
54 Medicare Part D claims for 19 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of 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.
Victoria Gah Hay Woo among 5,088 obstetrics & gynecology physician records in California
Victoria Gah Hay Woo, 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 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% 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
- Yamilee Bermingham, M.D.San Francisco, CA 941101013937127
- Deborah Cohan, MDSan Francisco, CA 941101831143221
- Craig Cohen, MDSan Francisco, CA 941101306889613
- Teresa Depineres, MDSan Francisco, CA 941101205880796
- Eleanor Drey, MDSan Francisco, CA 941101942254438
- Rebecca Jackson, MDSan Francisco, CA 941101699729640
- Vanessa Jacoby, MDSan Francisco, CA 941101154363778
- Barbara Nicol, M.D.San Francisco, CA 941101710907811
Common questions
What is Victoria Gah Hay Woo, M.D.'s NPI number?
Victoria Gah Hay Woo, M.D.'s National Provider Identifier (NPI) is 1437415957, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Victoria Gah Hay Woo, M.D. located?
The NPPES record lists a practice address at 1001 Potrero Ave # 6D, San Francisco, CA, 94110. Phone: (415) 476-5192. Providers update this record themselves, so call before visiting.
How can I verify Victoria Gah Hay Woo, M.D.'s license?
NPPES lists California license number A128309, 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 Victoria Gah Hay Woo, M.D. prescribe under Medicare Part D?
In 2024, Victoria Gah Hay Woo, M.D. had 54 Medicare Part D claims for 19 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.