1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GERALD W HSU MD
NPI 1467501080
Internal Medicine - Medical Oncology in San Francisco, CA

Active since January 10, 2007
400 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-2421 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Gerald W Hsu Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GERALD W HSU MD (NPI 1467501080) is an individual medical oncology provider in San Francisco, California, licensed in California (A103881) and active in the NPI registry since January 2007. He maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1467501080
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. GERALD W HSUCredential: MD
Location Address400 PARNASSUS AVESan Francisco, CA 94143-2202
Mailing Address505 Parnassus Ave, Moffitt M1286San Francisco, CA 94143-2204
Phone(415) 353-2421
Sole ProprietorNo
Enumeration DateJanuary 10, 2007
Last NPPES UpdateSeptember 24, 2026
NPPES CertifiedSeptember 24, 2026
✔ NPI 1467501080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in CA · A103881
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License 224629 (MA)
400 PARNASSUS AVE, San Francisco, CA 94143
Open in Google Maps ↗

Secondary Practice Location 1

Location 1505 Parnassus Ave, Moffitt M1286San Francisco, CA 94143-2204 · Phone (415) 885-7467

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALEJANDRA GABRIELA DE ALBA CAMPOMANES MD, MPH
Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2560
DR. MARISSA A BOECK M.D.
Surgery (Surgical Critical Care)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2161
DR. JACQUELINE EVA WEINSTEIN M.D.
Otolaryngology (Pediatric Otolaryngology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1000
TIFFANY PONG ROSS PA-C
Physician Assistant
400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
SHINTARO TATEBE MSPT
Physical Therapist
400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-8574
DR. YVONNE W WU MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2813
DR. DAVID S. BRADFORD MD
Orthopaedic Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
DR. SANG-MO KANG MD
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1551

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gerald Hsu's NPI number?

The NPI number for Gerald Hsu is 1467501080. It was assigned to this individual provider in the NPPES registry on January 10, 2007.

Where is Gerald Hsu located?

Gerald Hsu practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-2421.

What is Gerald Hsu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Gerald Hsu was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.