Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Frank Adair MD A Professional Corp

Psychiatry Physician in Redwood City, CA · enumerated 2007 · authorized official Frank Adair, President.

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

National Provider Identifier

1407076425

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Registry record

Entity type Organization (Type 2)

Legal business name Frank Adair MD A Professional Corp

Other name <Unavail>

Practice address 2639 Eaton Ave, Redwood City, CA, 94062

Phone (650) 368-2573

Fax (415) 874-1952

Enumeration date May 1, 2007

Last updated in NPPES Nov 2, 2023

Taxonomy & classification

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License G56845 (CA) Primary

Authorized official

Name Frank Adair

Title President

Phone (650) 368-2573

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.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2023-11-02. Verify at npiregistry.cms.hhs.gov.

Where is Frank Adair MD A Professional Corp located?

The practice location on file with NPPES is in Redwood City, CA.

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Frank Adair Psychiatry Physician · Redwood City, CA NPI 1043242381

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-02.