Shannon Johnson, PSY.D.
NPI 1861536831 · Clinical Psychologist · Patton, CA
Shannon Johnson, PSY.D. is a Clinical Psychologist provider in Patton, CA (NPI 1861536831).
Provider details
- NPI number
- 1861536831
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- 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
19 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
- 2007-02-16
- Last updated
- 2013-08-26
Frequently asked questions
- What is Shannon Johnson's NPI number?
- Shannon Johnson's National Provider Identifier (NPI) is 1861536831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Johnson's specialty?
- Shannon Johnson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Shannon Johnson located?
- Shannon Johnson's practice location on file with NPPES is 3102 E. Highland Avenue, Patton, CA 92369.
- What is Shannon Johnson's phone number?
- The practice phone number listed in the NPPES registry for Shannon Johnson is (909) 425-7679.
- Is Shannon Johnson's NPI active?
- Yes — Shannon Johnson's NPI (1861536831) is active in the NPPES registry as of the last update on 2013-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.