Crystal Williams, MSW, LSW, LCSW
NPI 1366835316 · Social Worker · Chicago, IL
Crystal Williams, MSW, LSW, LCSW is a Social Worker provider in Chicago, IL (NPI 1366835316).
Provider details
- NPI number
- 1366835316
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LSW, LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 150.014112 (IL)
Specialties & taxonomies
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
11 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
- 2015-03-16
- Last updated
- 2019-08-11
Frequently asked questions
- What is Crystal Williams's NPI number?
- Crystal Williams's National Provider Identifier (NPI) is 1366835316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Williams's specialty?
- Crystal Williams is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Crystal Williams located?
- Crystal Williams's practice location on file with NPPES is 4309 S King Dr, Chicago, IL 60653-3308.
- What is Crystal Williams's phone number?
- The practice phone number listed in the NPPES registry for Crystal Williams is (773) 451-1329.
- Is Crystal Williams's NPI active?
- Yes — Crystal Williams's NPI (1366835316) is active in the NPPES registry as of the last update on 2019-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.