Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William R Cohen

Psychiatry Physician in Half Moon Bay, CA · enumerated 2007.

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

National Provider Identifier

1598896060

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name William R Cohen

Sex Male

Practice address 225 Cabrillo Hwy S, Half Moon Bay, CA, 94019

Phone (650) 726-6369

Enumeration date Mar 8, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License C35883 (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

What is the NPI number for William Cohen?

The National Provider Identifier (NPI) for William Cohen is 1598896060, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Cohen practice?

The practice location on file with NPPES is in Half Moon Bay, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.