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John Davis, PH.D.
NPI 1285853804 · Psychologist · Lafayette, CA
John Davis, PH.D. is a Psychologist provider in Lafayette, CA (NPI 1285853804).
Provider details
- NPI number
- 1285853804
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 7189 (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
895 Moraga Rd
Suite #10
Lafayette, CA 94549-5094
Phone: (510) 693-8439
Fax: (925) 377-5345
Street-level locationGet directions
Mailing address
895 Moraga Road
Lafayette, CA 94549-5046
Registry dates
- Enumerated
- 2007-04-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Davis's NPI number?
- John Davis's National Provider Identifier (NPI) is 1285853804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Davis's specialty?
- John Davis is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is John Davis located?
- John Davis's practice location on file with NPPES is 895 Moraga Rd, Lafayette, CA 94549-5094.
- What is John Davis's phone number?
- The practice phone number listed in the NPPES registry for John Davis is (510) 693-8439.
- Is John Davis's NPI active?
- Yes — John Davis's NPI (1285853804) 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.