Gary Katz, PH.D.
NPI 1386811016 · Clinical Psychologist · Thousand Oaks, CA
Gary Katz, PH.D. is a Clinical Psychologist provider in Thousand Oaks, CA (NPI 1386811016).
Provider details
- NPI number
- 1386811016
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 17371 (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
- 2008-05-12
- Last updated
- 2008-05-12
Frequently asked questions
- What is Gary Katz's NPI number?
- Gary Katz's National Provider Identifier (NPI) is 1386811016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Katz's specialty?
- Gary Katz is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gary Katz located?
- Gary Katz's practice location on file with NPPES is 509 Marin St, Thousand Oaks, CA 91360-4261.
- What is Gary Katz's phone number?
- The practice phone number listed in the NPPES registry for Gary Katz is (805) 373-8365.
- Is Gary Katz's NPI active?
- Yes — Gary Katz's NPI (1386811016) is active in the NPPES registry as of the last update on 2008-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.