Matthew Williams, LCSW
NPI 1972014801 · Clinical Social Worker · Libertyville, IL
Matthew Williams, LCSW is a Clinical Social Worker provider in Libertyville, IL (NPI 1972014801).
Provider details
- NPI number
- 1972014801
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 149.018146 (IL)
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
8 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)
- 2650 W Montrose Ave Ste 200Chicago, IL 60618-1674Phone: (847) 772-1677
Registry dates
- Enumerated
- 2017-10-18
- Last updated
- 2020-02-28
- Certified
- 2020-02-28
Frequently asked questions
- What is Matthew Williams's NPI number?
- Matthew Williams's National Provider Identifier (NPI) is 1972014801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Williams's specialty?
- Matthew Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Matthew Williams located?
- Matthew Williams's practice location on file with NPPES is 1113 S Milwaukee Ave Ste 104, Libertyville, IL 60048-3759.
- What is Matthew Williams's phone number?
- The practice phone number listed in the NPPES registry for Matthew Williams is (847) 367-5991.
- Is Matthew Williams's NPI active?
- Yes — Matthew Williams's NPI (1972014801) is active in the NPPES registry as of the last update on 2020-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.