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Mr. James P Derum, PA-C

Physician Assistant in Walnut Creek, CA · enumerated 2006.

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

National Provider Identifier

1447355474

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Registry record

Entity type Individual (Type 1)
Name Mr. James P Derum
Credential PA-C
Sex Male
Practice address 1990 N California Blvd Ste 400, Walnut Creek, CA, 94596
Phone (925) 225-5837
Fax (925) 225-5838
Enumeration date Sep 14, 2006
Last updated in NPPES Apr 23, 2013

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA16110 (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.

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Frequently asked questions

What is the NPI number for James Derum?
The National Provider Identifier (NPI) for James Derum is 1447355474, a Type 1 (individual) record in the CMS NPPES registry.
Where does James Derum practice?
The practice location on file with NPPES is in Walnut Creek, 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 2013-04-23.