John Clark, MSW, LCSW-C
NPI 1306861331 · Clinical Social Worker · Fort Washington, MD
John Clark, MSW, LCSW-C is a Clinical Social Worker provider in Fort Washington, MD (NPI 1306861331).
Provider details
- NPI number
- 1306861331
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW-C
- Sex
- Male
- Sole proprietor
- No
- License
- 04054 (MD)
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
- 2006-07-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Clark's NPI number?
- John Clark's National Provider Identifier (NPI) is 1306861331, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Clark's specialty?
- John Clark is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Clark located?
- John Clark's practice location on file with NPPES is 10905 Fort Washington Rd, Fort Washington, MD 20744-5843.
- What is John Clark's phone number?
- The practice phone number listed in the NPPES registry for John Clark is (301) 292-3994.
- Is John Clark's NPI active?
- Yes — John Clark's NPI (1306861331) 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.