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Marvin Williams, MSSW
NPI 1659494052 · Clinical Social Worker · Dallas, TX
Marvin Williams, MSSW is a Clinical Social Worker provider in Dallas, TX (NPI 1659494052).
Provider details
- NPI number
- 1659494052
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSSW
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
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
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
1353 N Westmoreland Rd Bldg a
Dallas, TX 75211-1655
Phone: (214) 333-7006
Fax: (214) 331-1072
Street-level locationGet directions
Mailing address
1353 N. Westmoreland Bldg. a
Dallas, TX 75211
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marvin Williams's NPI number?
- Marvin Williams's National Provider Identifier (NPI) is 1659494052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Williams's specialty?
- Marvin Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marvin Williams located?
- Marvin Williams's practice location on file with NPPES is 1353 N Westmoreland Rd Bldg a, Dallas, TX 75211-1655.
- What is Marvin Williams's phone number?
- The practice phone number listed in the NPPES registry for Marvin Williams is (214) 333-7006.
- Is Marvin Williams's NPI active?
- Yes — Marvin Williams's NPI (1659494052) 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.