Well Behavioral Health LLC
NPI 1649123464 · Mental Health Clinic/Center (Including Community Mental Health Center) · New York, NY
Well Behavioral Health LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in New York, NY (NPI 1649123464).
Provider details
- NPI number
- 1649123464
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Greta Gleissner, Ceo(917) 373-4557
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-02-19
- Last updated
- 2026-02-19
- Certified
- 2026-02-19
Frequently asked questions
- What is Well Behavioral Health LLC's NPI number?
- Well Behavioral Health LLC's National Provider Identifier (NPI) is 1649123464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Well Behavioral Health LLC?
- Well Behavioral Health LLC is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Well Behavioral Health LLC located?
- Well Behavioral Health LLC's practice location on file with NPPES is 57 W 57th St Ste 1004, New York, NY 10019-2821.
- What is Well Behavioral Health LLC's phone number?
- The practice phone number listed in the NPPES registry for Well Behavioral Health LLC is (888) 961-4709.
- Who is the authorized official for Well Behavioral Health LLC?
- The authorized official listed on Well Behavioral Health LLC's NPPES record is Greta Gleissner, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Well Behavioral Health LLC's NPI active?
- Yes — Well Behavioral Health LLC's NPI (1649123464) is active in the NPPES registry as of the last update on 2026-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.