Mercy Haven Inc
NPI 1285762716 · Mental Illness Community Based Residential Treatment Facility · Islip Terrace, NY
Mercy Haven Inc is a Mental Illness Community Based Residential Treatment Facility organization in Islip Terrace, NY (NPI 1285762716).
Provider details
- NPI number
- 1285762716
- Entity type
- Organization
- Primary specialty
- Mental Illness Community Based Residential Treatment FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Patricia Griffith, Executive Director(631) 277-8300
- License
- 01304012 (NY)
Specialties & taxonomies
Residential Treatment Facilities
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
- 2007-02-28
- Last updated
- 2020-08-22
Frequently asked questions
- What is Mercy Haven Inc's NPI number?
- Mercy Haven Inc's National Provider Identifier (NPI) is 1285762716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Haven Inc?
- Mercy Haven Inc is classified in the NPPES registry as Mental Illness Community Based Residential Treatment Facility (Residential Treatment Facilities).
- Where is Mercy Haven Inc located?
- Mercy Haven Inc's practice location on file with NPPES is 859 Connetquot Ave Ste 10, Islip Terrace, NY 11752-1400.
- What is Mercy Haven Inc's phone number?
- The practice phone number listed in the NPPES registry for Mercy Haven Inc is (631) 277-8300.
- Who is the authorized official for Mercy Haven Inc?
- The authorized official listed on Mercy Haven Inc's NPPES record is Patricia Griffith, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Haven Inc's NPI active?
- Yes — Mercy Haven Inc's NPI (1285762716) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.