William Johnson, PHD
NPI 1437123445 · Clinical Psychologist · Merced, CA
William Johnson, PHD is a Clinical Psychologist provider in Merced, CA (NPI 1437123445).
Provider details
- NPI number
- 1437123445
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PY60035461 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
20 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
Mailing address
Registry dates
- Enumerated
- 2006-02-15
- Last updated
- 2025-01-27
- Certified
- 2025-01-27
Frequently asked questions
- What is William Johnson's NPI number?
- William Johnson's National Provider Identifier (NPI) is 1437123445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Johnson's specialty?
- William Johnson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Johnson located?
- William Johnson's practice location on file with NPPES is 5200 N Lake Rd, Merced, CA 95343-5001.
- What is William Johnson's phone number?
- The practice phone number listed in the NPPES registry for William Johnson is (209) 228-4266.
- Is William Johnson's NPI active?
- Yes — William Johnson's NPI (1437123445) is active in the NPPES registry as of the last update on 2025-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.