Individual provider Active NPI

Eva Eileen Mercer, RDN

  • Registered Dietitian
  • New York, NY
National Provider Identifier
1366368128
Registry record updated Jun 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
Practice address
610 W 42ND St
New York, NY 10036-1956
Phone
(347) 509-6991
NPI assigned
Jun 25, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 25, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X Primary

Addresses

Primary practice location

610 W 42ND St
New York, NY 10036-1956

Mailing address

610 W 42ND St
New York, NY 10036-1956

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1782345600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1366368128",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "610 W 42ND ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100361956"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "610 W 42ND ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100361956",
            "telephone_number": "347-509-6991"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERCER",
        "first_name": "EVA",
        "middle_name": "EILEEN",
        "credential": "RDN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-25",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.