Christopher Johnson, LCSW
NPI 1831845890 · Clinical Social Worker · Richmond, CA
Christopher Johnson, LCSW is a Clinical Social Worker provider in Richmond, CA (NPI 1831845890).
Provider details
- NPI number
- 1831845890
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 132448 (CA)
Specialties & taxonomies
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
4 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
- 2022-02-28
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Christopher Johnson's NPI number?
- Christopher Johnson's National Provider Identifier (NPI) is 1831845890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Johnson's specialty?
- Christopher Johnson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Christopher Johnson located?
- Christopher Johnson's practice location on file with NPPES is Po Box 70783, Richmond, CA 94807-0783.
- What is Christopher Johnson's phone number?
- The practice phone number listed in the NPPES registry for Christopher Johnson is (510) 691-1494.
- Is Christopher Johnson's NPI active?
- Yes — Christopher Johnson's NPI (1831845890) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.