Gwendolyn Butler, LCSW
NPI 1568533115 · Clinical Social Worker · Sea Cliff, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwendolyn Butler, LCSW is a Clinical Social Worker provider in Sea Cliff, NY (NPI 1568533115).
Provider details
- NPI number
- 1568533115
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 079430 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-11-13
- Last updated
- 2026-02-18
- Certified
- 2026-02-18
Frequently asked questions
- What is Gwendolyn Butler's NPI number?
- Gwendolyn Butler's National Provider Identifier (NPI) is 1568533115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Butler's specialty?
- Gwendolyn Butler is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gwendolyn Butler located?
- Gwendolyn Butler's practice location on file with NPPES is 16 Prospect Ave Apt 1, Sea Cliff, NY 11579-1065.
- What is Gwendolyn Butler's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Butler is (929) 319-7740.
- Does Gwendolyn Butler accept Medicare?
- Gwendolyn Butler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwendolyn Butler's NPI active?
- Yes — Gwendolyn Butler's NPI (1568533115) is active in the NPPES registry as of the last update on 2026-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.