Helen Day, NP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

RN10036091 Issued in MA

Practice address

163 Gore St
Cambridge, MA 02141-1119

Phone

(617) 575-5850

NPI assigned

Nov 27, 2024

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Nurse Practitioner

State licenses

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

{
    "created_epoch": "1732665600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1225854987",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "163 GORE ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021411119",
            "telephone_number": "617-575-5850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "163 GORE ST",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021411119",
            "telephone_number": "617-575-5850"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAY",
        "first_name": "HELEN",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-11-27",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN10036091",
            "primary": true
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "406533",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rachel Davis, PHARMD
• Rochelle L Davis, ED D
• Anna L. Davol, M.D.
• Eric Dawson, LCSW, LICSW
• Addie F Day, RN, ANP-C
• Stephanie Carole Day, M.A.
• Daybreak Therapy Services LLC
• Paula A De Almeida, LMHC
• Cliff Andrew De Guzman
• Cindy De la Cruz Chambergo

• Psychiatric/Mental Health Nurse Practitioner in Cambridge, MA
• Providers in Cambridge, MA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 16, 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.