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MR. THOMAS A FACTOR DDS
NPI 1891815510
Dentist - Endodontics in San Francisco, CA

Active since March 29, 2007
3100 19TH AVE, SAN FRANCISCO, CA 94132(415) 584-2537 Get Directions Write a Review

NPPES record last updated: October 15, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Thomas A Factor Dds NPPES

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

MR. THOMAS A FACTOR DDS (NPI 1891815510) is an individual endodontics provider in San Francisco, California, licensed in California (263408) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1891815510
Entity TypeIndividualMale
Primary Taxonomy1223E0200X
Provider Legal NameMR. THOMAS A FACTORCredential: DDS
Location Address3100 19TH AVESan Francisco, CA 94132-2006
Mailing Address366 Dolan AveMill Valley, CA 94941-3824 · (415) 380-8959 · Fax (415) 584-0542
Phone(415) 584-2537
Sole ProprietorYes
Enumeration DateMarch 29, 2007
Last NPPES UpdateOctober 15, 2021
NPPES CertifiedOctober 15, 2021
✔ NPI 1891815510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers
Taxonomy Code1223E0200X
License✔ Licensed in CA · 263408
Definition
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
3100 19TH AVE, San Francisco, CA 94132
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

Other Providers at the Same Location NPPES 2

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

DR. MAT KIISK DDS
Dentist (General Practice)
3100 19TH AVE
SAN FRANCISCO, CA 94132
San Francisco County (415) 584-2537
DR. ANTONIO ALANDY PRONSTROLLER D.M.D.
Dentist
3100 19TH AVE
SAN FRANCISCO, CA 94132
San Francisco County (415) 584-2537

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 Thomas Factor's NPI number?

The NPI number for Thomas Factor is 1891815510. It was assigned to this individual provider in the NPPES registry on March 29, 2007.

Where is Thomas Factor located?

Thomas Factor practices at 3100 19th Ave, San Francisco, CA 94132. The listed phone number is (415) 584-2537.

What is Thomas Factor's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

What insurance does Thomas Factor accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Humana list Thomas Factor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thomas Factor was last updated on October 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.