Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathy Thompson

Infectious Disease Physician in San Francisco, CA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1407042955

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Registry record

Entity type Individual (Type 1)

Name Kathy Thompson

Sex Female

Practice address 798 Brannan St, 2nd Floor, San Francisco, CA, 94103

Phone (415) 581-3111

Enumeration date Sep 19, 2007

Last updated in NPPES Mar 17, 2016

Taxonomy & licenses

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License A85785 (CA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1407042955 active?

Yes, as of the latest NPPES snapshot, NPI 1407042955 is active (record last updated 2016-03-17).

How do I verify Kathy Thompson's NPI record?

Cross-check NPI 1407042955 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-17.