Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Rosemary Menarchem, MS

Mental Health Counselor in East Yaphank, NY · enumerated 2011 · practices at Family Counseling Services.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1770869984

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Registry record

Entity type Individual (Type 1)

Name Mrs. Rosemary Menarchem

Credential MS

Sex Female

Practice address 141 Colin Dr, East Yaphank, NY, 11967

Phone (631) 205-5820

Fax (631) 288-1955

Enumeration date Nov 1, 2011

Last updated in NPPES Nov 1, 2011

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License P77205 (NY) Primary

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.

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Frequently asked questions

What is the NPI number for Rosemary Menarchem?

The National Provider Identifier (NPI) for Rosemary Menarchem is 1770869984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rosemary Menarchem practice?

The practice location on file with NPPES is in East Yaphank, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Kerry Sweeney-Zarkowsky Social Worker · East Yaphank, NY NPI 1073835542 Family Counseling Services Community/Behavioral Health Agency · East Yaphank, NY NPI 1689987687

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-01.