Martin Johnson, ASW
NPI 1104479823 · Clinical Social Worker · San Bernardino, CA
Martin Johnson, ASW is a Clinical Social Worker provider in San Bernardino, CA (NPI 1104479823).
Provider details
- NPI number
- 1104479823
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- ASW
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
6 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
- 2019-07-22
- Last updated
- 2025-08-03
- Certified
- 2025-07-31
Frequently asked questions
- What is Martin Johnson's NPI number?
- Martin Johnson's National Provider Identifier (NPI) is 1104479823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Johnson's specialty?
- Martin Johnson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martin Johnson located?
- Martin Johnson's practice location on file with NPPES is 686 E Mill St, San Bernardino, CA 92415-4219.
- What is Martin Johnson's phone number?
- The practice phone number listed in the NPPES registry for Martin Johnson is (909) 798-8455.
- Is Martin Johnson's NPI active?
- Yes — Martin Johnson's NPI (1104479823) is active in the NPPES registry as of the last update on 2025-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.