OrganizationActive
Mercyfirst
NPI 1770657421 · Community/Behavioral Health Agency · Syosset, NY
Mercyfirst is a Community/Behavioral Health Agency organization in Syosset, NY (NPI 1770657421).
Provider details
- NPI number
- 1770657421
- Entity type
- Organization
- Primary specialty
- Community/Behavioral Health AgencyAgencies
- Organization subpart
- No
- Authorized official
- Paula Goldstein, Controller(516) 921-0808
Specialties & taxonomies
Agencies
Profile Score
Detailed profile(90/100 index)
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
525 Convent Rd
Syosset, NY 11791-3868
Phone: (516) 921-0808
Street-level locationGet directions
Mailing address
525 Convent Rd
Syosset, NY 11791-3868
Registry dates
- Enumerated
- 2006-11-17
- Last updated
- 2020-08-22
Frequently asked questions
- What is Mercyfirst's NPI number?
- Mercyfirst's National Provider Identifier (NPI) is 1770657421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercyfirst?
- Mercyfirst is classified in the NPPES registry as Community/Behavioral Health Agency (Agencies).
- Where is Mercyfirst located?
- Mercyfirst's practice location on file with NPPES is 525 Convent Rd, Syosset, NY 11791-3868.
- What is Mercyfirst's phone number?
- The practice phone number listed in the NPPES registry for Mercyfirst is (516) 921-0808.
- Who is the authorized official for Mercyfirst?
- The authorized official listed on Mercyfirst's NPPES record is Paula Goldstein, Controller. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercyfirst's NPI active?
- Yes — Mercyfirst's NPI (1770657421) 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.