Nina Williams, LCSW
NPI 1639359698 · Social Worker · Matteson, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nina Williams, LCSW is a Social Worker provider in Matteson, IL (NPI 1639359698).
Provider details
- NPI number
- 1639359698
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0904008569 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
18 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
- 2007-11-07
- Last updated
- 2024-01-18
- Certified
- 2024-01-18
Frequently asked questions
- What is Nina Williams's NPI number?
- Nina Williams's National Provider Identifier (NPI) is 1639359698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nina Williams's specialty?
- Nina Williams is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Nina Williams located?
- Nina Williams's practice location on file with NPPES is 21317 S Jeffrey Dr, Matteson, IL 60443-2467.
- What is Nina Williams's phone number?
- The practice phone number listed in the NPPES registry for Nina Williams is (363) 944-5897.
- Does Nina Williams accept Medicare?
- Nina Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nina Williams's NPI active?
- Yes — Nina Williams's NPI (1639359698) is active in the NPPES registry as of the last update on 2024-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.