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Dr. Clayton Gary Johnsen, D.P.M.

Foot & Ankle Surgery Podiatrist in San Bernardino, CA · enumerated 2009.

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

National Provider Identifier

1003141318

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Registry record

Entity type Individual (Type 1)
Name Dr. Clayton Gary Johnsen
Credential D.P.M.
Sex Male
Practice address 1762 N Waterman Ave, San Bernardino, CA, 92404
Phone (909) 886-3668
Fax (909) 886-5542
Enumeration date Oct 5, 2009
Last updated in NPPES Jun 20, 2022

Taxonomy & licenses

213E00000X Podiatrist Podiatric Medicine & Surgery Service Providers · License E4834 (CA) Secondary
213ES0103X Foot & Ankle Surgery Podiatrist Podiatric Medicine & Surgery Service Providers · License PO60139080 (WA) Primary
DPM · Doctor of Podiatric Medicine: A physician specializing in medical and surgical care of the foot and ankle. About the DPM credential

Other identifiers

Identifier Type State Issuer
CB220721 Other - MEDICARE PTAN

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 Clayton Johnsen?
The National Provider Identifier (NPI) for Clayton Johnsen is 1003141318, a Type 1 (individual) record in the CMS NPPES registry.
Where does Clayton Johnsen practice?
The practice location on file with NPPES is in San Bernardino, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-20.