Mary Williams, LCSW-C
NPI 1043690142 · Clinical Social Worker · Baltimore, MD
Mary Williams, LCSW-C is a Clinical Social Worker provider in Baltimore, MD (NPI 1043690142).
Provider details
- NPI number
- 1043690142
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25706 (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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 5800 Metro DrBaltimore, MD 21215-3223Phone: (443) 562-9613
Registry dates
- Enumerated
- 2015-06-03
- Last updated
- 2025-12-01
- Certified
- 2025-12-01
Frequently asked questions
- What is Mary Williams's NPI number?
- Mary Williams's National Provider Identifier (NPI) is 1043690142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Williams's specialty?
- Mary Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Williams located?
- Mary Williams's practice location on file with NPPES is 1204 S Clinton St, Baltimore, MD 21224-5007.
- What is Mary Williams's phone number?
- The practice phone number listed in the NPPES registry for Mary Williams is (347) 340-1790.
- Is Mary Williams's NPI active?
- Yes — Mary Williams's NPI (1043690142) is active in the NPPES registry as of the last update on 2025-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.