Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Isabel Elodia Wilhelm, PA-C
Physician Assistant in Walnut, CA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013368315
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Registry record
Entity type Individual (Type 1)
Name Isabel Elodia Wilhelm
Credential PA-C
Sex Female
Practice address 19524 Avenida Del Campo, Walnut, CA, 91789
Phone (909) 731-4761
Enumeration date Jun 28, 2016
Last updated in NPPES Jul 20, 2023
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 53549 (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.
Frequently asked questions
Where does Isabel Wilhelm practice?
The practice location on file with NPPES is in Walnut, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Isabel Wilhelm?
The National Provider Identifier (NPI) for Isabel Wilhelm is 1013368315, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-20.