Matthew Wilhelm, PSYD
NPI 1518128040 · Clinical Psychologist · Union City, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Wilhelm, PSYD is a Clinical Psychologist provider in Union City, CA (NPI 1518128040).
Provider details
- NPI number
- 1518128040
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 24805 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-18
- Last updated
- 2022-02-11
Frequently asked questions
- What is Matthew Wilhelm's NPI number?
- Matthew Wilhelm's National Provider Identifier (NPI) is 1518128040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Wilhelm's specialty?
- Matthew Wilhelm is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Matthew Wilhelm located?
- Matthew Wilhelm's practice location on file with NPPES is 3553 Whipple Rd, Union City, CA 94587-1507.
- What is Matthew Wilhelm's phone number?
- The practice phone number listed in the NPPES registry for Matthew Wilhelm is (510) 454-1000.
- Does Matthew Wilhelm accept Medicare?
- Matthew Wilhelm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Wilhelm's NPI active?
- Yes — Matthew Wilhelm's NPI (1518128040) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.