Mercyfirst
Mercyfirst is a healthcare organization registered as Community/Behavioral Health Agency in Syosset, NY, holding Type 2 (organization) NPI 1942374699 since 2006. The authorized official on file is Paula Goldstein, Controller.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1942374699 |
|---|---|
| Entity type | Organization (Type 2) |
| Legal business name | Mercyfirst |
| Practice address | 525 CONVENT RD, Syosset, NY, 11791 |
| Phone | 5169210808 |
| Enumeration date | 2006-11-17 |
| Last updated in NPPES | 2020-08-22 |
Authorized official
| Name | Paula Goldstein |
|---|---|
| Title | Controller |
| Phone | 5169210808 |
Taxonomy & classification
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 251S00000X | Community/Behavioral Health Agency | Primary | — | — |
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00327766 | Medicaid | NY | — |
Copy-ready billing details
Provider: Mercyfirst NPI: 1942374699 Taxonomy: 251S00000X (Community/Behavioral Health Agency) Address: 525 CONVENT RD, Syosset, NY, 11791
Providers at this address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1134161722 | Dawn Chirichella-Besemer | Individual | Psychologist | Syosset, NY |
| 1295811925 | Mercyfirst | Organization | Foster Care Agency | Syosset, NY |
| 1770657421 | Mercyfirst | Organization | Community/Behavioral Health Agency | Syosset, NY |
| 1356415301 | James Horne | Individual | Pediatric Adolescent Medicine Physician | Syosset, NY |
| 1811199490 | Elizabeth Ferrari | Individual | Psychiatric/Mental Health Nurse Practitioner | Syosset, NY |
| 1780988196 | Erica Ehrenzweig | Individual | Psychologist | Syosset, NY |
| 1376831420 | Jean Yacono | Individual | Psychiatric/Mental Health Nurse Practitioner | Syosset, NY |
| 1316355811 | Solita Lopez-Sahagun | Individual | Family Nurse Practitioner | Syosset, NY |
Verify this record
Cross-check NPI 1942374699 against the authoritative CMS record: view Mercyfirst on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
Who is the authorized official for Mercyfirst?
What is the NPI number for Mercyfirst?
Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2020-08-22.