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William Kirby, D.O.

Dermatology Physician in Hermosa Beach, CA · enumerated 2006.

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

National Provider Identifier

1841375474

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Registry record

Entity type Individual (Type 1)
Name William Kirby
Credential D.O.
Sex Male
Practice address 1312 Hermosa Ave, Hermosa Beach, CA, 90254
Phone (888) 631-7773
Fax (310) 861-8221
Enumeration date Oct 25, 2006
Last updated in NPPES Jan 21, 2016

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 20A8225 (CA) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

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

What is the NPI number for William Kirby?
The National Provider Identifier (NPI) for William Kirby is 1841375474, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Kirby practice?
The practice location on file with NPPES is in Hermosa Beach, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-21.