DR. ARNOLD BRUCE GELB M.D.
NPI 1447556352
Pathology - Anatomic Pathology & Clinical Pathology in San Francisco, CA

Q: What is Arnold Gelb's NPI number?

The NPI number for Arnold Gelb is 1447556352. It was assigned to this individual provider in the NPPES registry on February 10, 2011.

Q: What is Arnold Gelb's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Arnold Gelb was last updated on March 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.

Active since February 10, 2011

1500 OWENS ST STE 600, SAN FRANCISCO, CA 94158(415) 717-4342 Get Directions Write a Review

NPPES record last updated: March 9, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 10, 2025, Mar 9, 2021, Feb 12, 2021 (3 updates tracked since 2021).

On this page

About Dr. Arnold Bruce Gelb M.d. NPPES

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

DR. ARNOLD BRUCE GELB M.D. (NPI 1447556352) is an individual anatomic pathology & clinical pathology provider in San Francisco, California, licensed in California (G64044) and active in the NPI registry since February 2011.

NPPES Registry Identity

NPI1447556352

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. ARNOLD BRUCE GELBCredential: M.D.

Location Address1500 OWENS ST STE 600San Francisco, CA 94158-2335

Mailing AddressPo Box 2202Mill Valley, CA 94942-2202

Phone(415) 717-4342

Sole ProprietorNo

Enumeration DateFebruary 10, 2011

Last NPPES UpdateMarch 9, 20213 updates tracked since enumeration

NPPES CertifiedMarch 9, 2021

✔ NPI 1447556352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · G64044

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

1500 OWENS ST STE 600, San Francisco, CA 94158

Open in Google Maps ↗

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 Arnold Gelb's NPI number?

The NPI number for Arnold Gelb is 1447556352. It was assigned to this individual provider in the NPPES registry on February 10, 2011.

Where is Arnold Gelb located?

Arnold Gelb practices at 1500 Owens St Ste 600, San Francisco, CA 94158. The listed phone number is (415) 717-4342.

What is Arnold Gelb's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

When was this NPI record last updated?

The NPPES record for Arnold Gelb was last updated on March 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.