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John Eliot Nicolaisen, PA

Medical Physician Assistant in Apple Valley, CA · enumerated 2014.

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

National Provider Identifier

1548666738

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Registry record

Entity type Individual (Type 1)
Name John Eliot Nicolaisen
Credential PA
Sex Male
Practice address 18523 Corwin Rd Ste G, Apple Valley, CA, 92307
Enumeration date Nov 14, 2014
Last updated in NPPES Sep 11, 2017

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA52168 (CA) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA 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 John Nicolaisen?
The National Provider Identifier (NPI) for John Nicolaisen is 1548666738, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Nicolaisen practice?
The practice location on file with NPPES is in Apple Valley, 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 2017-09-11.