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DR. GIFFORD S. LEOUNG M.D.
NPI 1295782225
Internal Medicine - Infectious Disease in San Francisco, CA

Active since May 27, 2006
909 HYDE ST, SUITE #210, SAN FRANCISCO, CA 94109(415) 474-7900(415) 474-7930 Get Directions Write a Review

NPPES record last updated: February 8, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gifford S. Leoung M.d. NPPES

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

DR. GIFFORD S. LEOUNG M.D. (NPI 1295782225) is an individual infectious disease provider in San Francisco, California, licensed in California (G47347) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1295782225
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. GIFFORD S. LEOUNGCredential: M.D.
Location Address909 HYDE ST, SUITE #210San Francisco, CA 94109-4822
Mailing Address909 Hyde St, Suite #210San Francisco, CA 94109-4822 · (415) 474-7900 · Fax (415) 474-7930
Phone(415) 474-7900
Fax(415) 474-7930
Sole ProprietorYes
Enumeration DateMay 27, 2006
Last NPPES UpdateFebruary 8, 2008
✔ NPI 1295782225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · G47347
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
909 HYDE ST, San Francisco, CA 94109
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Other Identifiers 1

Medicare UPINA50666CA

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. PATRICIA JEAN GALAMBA MD
Family Medicine
909 HYDE ST, SUITE 410
SAN FRANCISCO, CA 94109
San Francisco County (415) 928-4920
PAUL HEIM MD
Psychiatry & Neurology (Psychiatry)
909 HYDE ST, SUITE 428
SAN FRANCISCO, CA 94109
San Francisco County (415) 567-2268
DR. MARCEL A. JORNA DDS
Dentist (General Practice)
909 HYDE ST, SUITE 406
SAN FRANCISCO, CA 94109
San Francisco County (415) 928-4844
GUY R ENGELMANN M.D.
Surgery (Plastic and Reconstructive Surgery)
909 HYDE ST, SUITE # 615
SAN FRANCISCO, CA 94109
San Francisco County (415) 441-5000
DR. JOSEPH T SPAULDING M.D.
Specialist
909 HYDE ST, SUITE 222
SAN FRANCISCO, CA 94109
San Francisco County (415) 441-3155
DR. LESLEY JOEL WOLFF DPM MS
Podiatrist
909 HYDE ST, STE 230
SAN FRANCISCO, CA 94109
San Francisco County (415) 474-3668
GARY L. AGUILAR, M.D. INC.
Clinic/Center
909 HYDE ST, SUITE 530
SAN FRANCISCO, CA 94109
San Francisco County (415) 775-3392
DR. JAMES YANG SOONG M.D.
Psychiatry & Neurology (Neurology)
909 HYDE ST, SUITE 234
SAN FRANCISCO, CA 94109
San Francisco County (415) 771-3040

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 Gifford Leoung's NPI number?

The NPI number for Gifford Leoung is 1295782225. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Gifford Leoung located?

Gifford Leoung practices at 909 Hyde St Suite #210, San Francisco, CA 94109. The listed phone number is (415) 474-7900.

What is Gifford Leoung's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Gifford Leoung was last updated on February 8, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.