IndividualActive
Joshua Slater, PSYD
NPI 1548494990 · Clinical Psychologist · Napa, CA
Joshua Slater, PSYD is a Clinical Psychologist provider in Napa, CA (NPI 1548494990).
Provider details
- NPI number
- 1548494990
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY 22496 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(85/100 index)
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
2100 Napa Vallejo Hwy
Napa, CA 94558-6234
Phone: (707) 253-5000
Fax: (707) 253-5513
Street-level locationGet directions
Mailing address
Po Box 944202
Sacramento, CA 94244-2020
Registry dates
- Enumerated
- 2009-05-13
- Last updated
- 2009-05-13
Frequently asked questions
- What is Joshua Slater's NPI number?
- Joshua Slater's National Provider Identifier (NPI) is 1548494990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Slater's specialty?
- Joshua Slater is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Joshua Slater located?
- Joshua Slater's practice location on file with NPPES is 2100 Napa Vallejo Hwy, Napa, CA 94558-6234.
- What is Joshua Slater's phone number?
- The practice phone number listed in the NPPES registry for Joshua Slater is (707) 253-5000.
- Is Joshua Slater's NPI active?
- Yes — Joshua Slater's NPI (1548494990) is active in the NPPES registry as of the last update on 2009-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.