Martin Johnson, LMSW
NPI 1649356692 · Clinical Social Worker · Little Rock, AR
Martin Johnson, LMSW is a Clinical Social Worker provider in Little Rock, AR (NPI 1649356692).
Provider details
- NPI number
- 1649356692
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 201-M (AR)
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
19 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
- 2006-10-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martin Johnson's NPI number?
- Martin Johnson's National Provider Identifier (NPI) is 1649356692, 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 4300 W 7th St, Little Rock, AR 72205-5446.
- What is Martin Johnson's phone number?
- The practice phone number listed in the NPPES registry for Martin Johnson is (501) 257-6738.
- Is Martin Johnson's NPI active?
- Yes — Martin Johnson's NPI (1649356692) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.