Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Justin Mikesell

Physician Assistant in Thousand Oaks, CA · enumerated 2022 · practices at California Dermatology Institute PC.

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

National Provider Identifier

1649991720

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Registry record

Entity type Individual (Type 1)

Name Justin Mikesell

Sex Male

Practice address 3095 Old Conejo Rd Ste 200, Thousand Oaks, CA, 91320

Phone (805) 298-7034

Enumeration date Sep 7, 2022

Last updated in NPPES Sep 7, 2022

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 61471 (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 Justin Mikesell?

The National Provider Identifier (NPI) for Justin Mikesell is 1649991720, a Type 1 (individual) record in the CMS NPPES registry.

Where does Justin Mikesell practice?

The practice location on file with NPPES is in Thousand Oaks, 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 2022-09-07.