Robert Johnson, PHD
NPI 1134478399 · Psychologist · San Luis Obispo, CA
Robert Johnson, PHD is a Psychologist provider in San Luis Obispo, CA (NPI 1134478399).
Provider details
- NPI number
- 1134478399
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
13 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2012-09-04
- Last updated
- 2019-09-30
Frequently asked questions
- What is Robert Johnson's NPI number?
- Robert Johnson's National Provider Identifier (NPI) is 1134478399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Johnson's specialty?
- Robert Johnson is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Robert Johnson located?
- Robert Johnson's practice location on file with NPPES is 285 South St, San Luis Obispo, CA 93401-5037.
- What is Robert Johnson's phone number?
- The practice phone number listed in the NPPES registry for Robert Johnson is (805) 269-0141.
- Is Robert Johnson's NPI active?
- Yes — Robert Johnson's NPI (1134478399) is active in the NPPES registry as of the last update on 2019-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.