Individual provider Active NPI

Emma Clay, RN

  • Psychiatric/Mental Health Nurse Practitioner
  • Lexington, MA
National Provider Identifier
1003598202
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
RN2339390 Issued in MA
Practice address
125 Hartwell Ave
Lexington, MA 02421-3100
Phone
(781) 861-0890
Fax
(781) 592-0581
NPI assigned
Aug 7, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 5, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X
Psychiatric/Mental Health Nurse Practitioner 363LP0808X RN2339390 MA Primary

Addresses

Primary practice location

125 Hartwell Ave
Lexington, MA 02421-3100

Mailing address

177 Huntington Ave
Boston, MA 02115-3134
Phone (617) 286-4365

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240819001010 MA Practitioner - Nurse Practitioner 7911445226 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner, Registered Nurse

State licenses

LicenseStateTypeSpecialty
RN2339390MAMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Eliot Community Human Services CurrentSince Aug 1, 2024 Accepting new patients
Eliot Community Human Services Current Accepting new patients

Locations

173 Chelsea St
Everett, MA 02149
Phone (617) 397-2020

125 Hartwell Ave
Lexington, MA 02421
Phone (781) 734-2060

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1691366400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1003598202",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "177 HUNTINGTON AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021153134",
            "telephone_number": "617-286-4365"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "125 HARTWELL AVE",
            "city": "LEXINGTON",
            "state": "MA",
            "postal_code": "024213100",
            "telephone_number": "781-861-0890",
            "fax_number": "781-592-0581"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLAY",
        "first_name": "EMMA",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-08-07",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN2339390",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lexington, MA

Sources for this page

Verify at the official NPI Registry.