Gerald W. Hsu, MD
Medical Oncology Physician · San Francisco, CA
Gerald W. Hsu, MD is a medical oncology physician with a practice address in San Francisco, California, and NPI 1467501080, issued on Jan 10, 2007. Check the license (California A103881, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gerald W. Hsu
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- A103881 CA
224629 MA
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 885-7467
- Enumerated
- Jan 10, 2007
- Record last updated
- Jan 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 505 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jesse Abelson, MDInternal Medicine Physician1083843817
- Rhonald AbitonaAcute Care Nurse Practitioner1164993473
Verify Gerald W. Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A103881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gerald W. Hsu among 447 medical oncology physician records in California
Gerald W. Hsu, MD is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 44% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2011 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 447 in California → Every provider in San Francisco → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Donald Abrams, MDSan Francisco, CA 941431679530018
- Weiyun Ai, MDSan Francisco, CA 941431649346842
- Rohit Bose, M.D., PH.D.San Francisco, CA 941431710140850
- Edward Cha, M.D.San Francisco, CA 941431134330988
- Lloyd Damon, MDSan Francisco, CA 941431548224058
- Steven Deeks, MDSan Francisco, CA 941431073604666
- Kristen Hege, MDSan Francisco, CA 941431710925987
- Lawrence Kaplan, MDSan Francisco, CA 941431437113586
Common questions
What is Gerald W. Hsu, MD's NPI number?
Gerald W. Hsu, MD's National Provider Identifier (NPI) is 1467501080, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gerald W. Hsu, MD located?
The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 885-7467. Providers update this record themselves, so call before visiting.
How can I verify Gerald W. Hsu, MD's license?
NPPES lists California license number A103881, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.