IndividualActive
Marcia Williams
NPI 1487090817 · Social Worker · Severn, MD
Marcia Williams is a Social Worker provider in Severn, MD (NPI 1487090817).
Provider details
- NPI number
- 1487090817
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
1619 Coolidge Ave
Severn, MD 21144-2658
Phone: (443) 306-8820
Street-level locationGet directions
Mailing address
1619 Coolidge Ave
Severn, MD 21144-2658
Registry dates
- Enumerated
- 2013-05-13
- Last updated
- 2013-05-13
Frequently asked questions
- What is Marcia Williams's NPI number?
- Marcia Williams's National Provider Identifier (NPI) is 1487090817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Williams's specialty?
- Marcia Williams is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Marcia Williams located?
- Marcia Williams's practice location on file with NPPES is 1619 Coolidge Ave, Severn, MD 21144-2658.
- What is Marcia Williams's phone number?
- The practice phone number listed in the NPPES registry for Marcia Williams is (443) 306-8820.
- Is Marcia Williams's NPI active?
- Yes — Marcia Williams's NPI (1487090817) is active in the NPPES registry as of the last update on 2013-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.