William Matulich, PH.D.
NPI 1891935508 · Clinical Psychologist · San Diego, CA
William Matulich, PH.D. is a Clinical Psychologist provider in San Diego, CA (NPI 1891935508).
Provider details
- NPI number
- 1891935508
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY6036 (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
17 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
- 2009-02-20
- Last updated
- 2009-02-20
Frequently asked questions
- What is William Matulich's NPI number?
- William Matulich's National Provider Identifier (NPI) is 1891935508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Matulich's specialty?
- William Matulich is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Matulich located?
- William Matulich's practice location on file with NPPES is 6333 Lake Kathleen Ave, San Diego, CA 92119-3130.
- What is William Matulich's phone number?
- The practice phone number listed in the NPPES registry for William Matulich is (619) 665-5508.
- Is William Matulich's NPI active?
- Yes — William Matulich's NPI (1891935508) is active in the NPPES registry as of the last update on 2009-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.