IndividualActive
Gwendolyn Ellis, LMSW
NPI 1689152233 · Social Worker · New York, NY
Gwendolyn Ellis, LMSW is a Social Worker provider in New York, NY (NPI 1689152233).
Provider details
- NPI number
- 1689152233
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 103094 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
19 W 34th St
New York, NY 10001-3006
Phone: (917) 344-0936
Street-level locationGet directions
Mailing address
13437 166th Pl Apt 7c
Jamaica, NY 11434-3812
Registry dates
- Enumerated
- 2018-08-04
- Last updated
- 2018-08-04
Frequently asked questions
- What is Gwendolyn Ellis's NPI number?
- Gwendolyn Ellis's National Provider Identifier (NPI) is 1689152233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Ellis's specialty?
- Gwendolyn Ellis is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Gwendolyn Ellis located?
- Gwendolyn Ellis's practice location on file with NPPES is 19 W 34th St, New York, NY 10001-3006.
- What is Gwendolyn Ellis's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Ellis is (917) 344-0936.
- Is Gwendolyn Ellis's NPI active?
- Yes — Gwendolyn Ellis's NPI (1689152233) is active in the NPPES registry as of the last update on 2018-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.