Alyssa Marie Oldfield

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

2025072461 Issued in MA

Practice address

2 Apple Way Apt 2302
Marshfield, MA 02050-3171

Phone

(978) 407-4889

NPI assigned

Jun 17, 2026

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1781654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1821923996",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 APPLE WAY APT 2302",
            "city": "MARSHFIELD",
            "state": "MA",
            "postal_code": "020503171"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 APPLE WAY APT 2302",
            "city": "MARSHFIELD",
            "state": "MA",
            "postal_code": "020503171",
            "telephone_number": "978-407-4889"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLDFIELD",
        "first_name": "ALYSSA",
        "middle_name": "MARIE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-06-17",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": "MA",
            "license": "2025072461",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Family Nurse Practitioner in Marshfield, MA
• Providers in Marshfield, MA by specialty
• Family Nurse Practitioner in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.