Gwendolyn Sullivan
NPI 1730716754 · Mental Health Counselor · Yorktown Heights, NY
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwendolyn Sullivan is a Mental Health Counselor provider in Yorktown Heights, NY (NPI 1730716754).
Provider details
- NPI number
- 1730716754
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 009625 (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
6 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
- 2020-03-27
- Last updated
- 2020-03-27
- Certified
- 2020-03-27
Frequently asked questions
- What is Gwendolyn Sullivan's NPI number?
- Gwendolyn Sullivan's National Provider Identifier (NPI) is 1730716754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Sullivan's specialty?
- Gwendolyn Sullivan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Gwendolyn Sullivan located?
- Gwendolyn Sullivan's practice location on file with NPPES is 1940 Commerce St Ste 300, Yorktown Heights, NY 10598-4448.
- What is Gwendolyn Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Sullivan is (914) 245-0437.
- Does Gwendolyn Sullivan accept Medicare?
- Gwendolyn Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwendolyn Sullivan's NPI active?
- Yes — Gwendolyn Sullivan's NPI (1730716754) is active in the NPPES registry as of the last update on 2020-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.