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John Thomas, PH.D.
NPI 1427171024 · Psychologist · Sacramento, CA
John Thomas, PH.D. is a Psychologist provider in Sacramento, CA (NPI 1427171024).
Provider details
- NPI number
- 1427171024
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY14107 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
650 University Ave Ste 115
Sacramento, CA 95825-6726
Phone: (916) 216-1186
Fax: (916) 914-2215
Street-level locationGet directions
Mailing address
2443 Fair Oaks Blvd # 185
Sacramento, CA 95825-7684
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Thomas's NPI number?
- John Thomas's National Provider Identifier (NPI) is 1427171024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Thomas's specialty?
- John Thomas is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is John Thomas located?
- John Thomas's practice location on file with NPPES is 650 University Ave Ste 115, Sacramento, CA 95825-6726.
- What is John Thomas's phone number?
- The practice phone number listed in the NPPES registry for John Thomas is (916) 216-1186.
- Is John Thomas's NPI active?
- Yes — John Thomas's NPI (1427171024) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.