Michelle Williams, LCSW
NPI 1811381221 · Clinical Social Worker · New York, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Williams, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1811381221).
Provider details
- NPI number
- 1811381221
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 087131 (NY)
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
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
- 2015-03-24
- Last updated
- 2023-07-27
- Certified
- 2023-07-27
Frequently asked questions
- What is Michelle Williams's NPI number?
- Michelle Williams's National Provider Identifier (NPI) is 1811381221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Williams's specialty?
- Michelle Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Michelle Williams located?
- Michelle Williams's practice location on file with NPPES is 350 W 24th St Apt 11g, New York, NY 10011-2231.
- What is Michelle Williams's phone number?
- The practice phone number listed in the NPPES registry for Michelle Williams is (917) 533-7895.
- Does Michelle Williams accept Medicare?
- Michelle Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Williams's NPI active?
- Yes — Michelle Williams's NPI (1811381221) is active in the NPPES registry as of the last update on 2023-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.