Gwendolyn Gay Stanhope, P.A.
Physician Assistant · San Francisco, CA
Gwendolyn Gay Stanhope, P.A. is a physician assistant with a practice address in San Francisco, California, and NPI 1255440921, issued on Aug 29, 2006. Check the license (California PA16019, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwendolyn Gay Stanhope
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA16019 CA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Castro St, San Francisco, CA 94114
- Phone
- (415) 600-7760
- Enumerated
- Aug 29, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- PA16019 CA
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 45 Castro St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gwendolyn Gay Stanhope in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA16019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
20 Medicare Part D claims, against an average of 830 among the 101,058 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.
Gwendolyn Gay Stanhope among 14,451 physician assistant records in California
Gwendolyn Gay Stanhope, P.A. is one of 14,451 physician assistant records with a practice address in California. 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 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2007 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Esther Brooking, PASan Francisco, CA 941141285057174
- Van Cam, PA-CSan Francisco, CA 941141295144822
- Maura Devereux, PA-CSan Francisco, CA 941141255562724
- Renee Kagan, PA-CSan Francisco, CA 941141154738359
- Michael Karls, PACSan Francisco, CA 941141801804737
- Martin Kramer, PA-CSan Francisco, CA 941141710001649
- Aileen Kucsera, PA-CSan Francisco, CA 941141316229230
- Elizabeth Lynch, PA-CSan Francisco, CA 941141073779609
Common questions
What is Gwendolyn Gay Stanhope, P.A.'s NPI number?
Gwendolyn Gay Stanhope, P.A.'s National Provider Identifier (NPI) is 1255440921, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gwendolyn Gay Stanhope, P.A. located?
The NPPES record lists a practice address at 45 Castro St, San Francisco, CA, 94114. Phone: (415) 600-7760. Providers update this record themselves, so call before visiting.
How can I verify Gwendolyn Gay Stanhope, P.A.'s license?
NPPES lists California license number PA16019, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gwendolyn Gay Stanhope, P.A. prescribe under Medicare Part D?
In 2024, Gwendolyn Gay Stanhope, P.A. had 20 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.