IndividualActive
Clarence Johnson, LCSW
NPI 1689243826 · Clinical Social Worker · Hesperia, CA
Clarence Johnson, LCSW is a Clinical Social Worker provider in Hesperia, CA (NPI 1689243826).
Provider details
- NPI number
- 1689243826
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 126181 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
Po Box 400066
Hesperia, CA 92340-0066
Phone: (909) 694-6339
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 400066
Hesperia, CA 92340-0066
Registry dates
- Enumerated
- 2021-06-22
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Clarence Johnson's NPI number?
- Clarence Johnson's National Provider Identifier (NPI) is 1689243826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clarence Johnson's specialty?
- Clarence Johnson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Clarence Johnson located?
- Clarence Johnson's practice location on file with NPPES is Po Box 400066, Hesperia, CA 92340-0066.
- What is Clarence Johnson's phone number?
- The practice phone number listed in the NPPES registry for Clarence Johnson is (909) 694-6339.
- Is Clarence Johnson's NPI active?
- Yes — Clarence Johnson's NPI (1689243826) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.