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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ARTHUR WEISS MD
NPI 1194780817
Internal Medicine - Rheumatology in San Francisco, CA

Active since April 18, 2006
400 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-2497(415) 353-2444 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Arthur Weiss Md NPPES

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

DR. ARTHUR WEISS MD (NPI 1194780817) is an individual rheumatology provider in San Francisco, California, licensed in California (A50645) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1194780817
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameDR. ARTHUR WEISSCredential: MD
Location Address400 PARNASSUS AVESan Francisco, CA 94143-2202
Mailing Address1635 Divisadero St, Ste. 625, Box 1821San Francisco, CA 94143-0001 · (415) 476-4029 · Fax (415) 476-4150
Phone(415) 353-2497
Fax(415) 353-2444
Sole ProprietorNo
Enumeration DateApril 18, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1194780817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · A50645
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License A50645 (CA)
400 PARNASSUS AVE, San Francisco, CA 94143
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G472870CA

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 Arthur Weiss's NPI number?

The NPI number for Arthur Weiss is 1194780817. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Arthur Weiss located?

Arthur Weiss practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-2497.

What is Arthur Weiss's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

The NPPES record for Arthur Weiss was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.