William Thornton, PMHNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

RN2352821 Issued in MA

Practice address

165 Hudson St Apt 1
Somerville, MA 02144-2631

Phone

(610) 291-1489

NPI assigned

Feb 3, 2025

Sex

Male

Sole proprietor

Yes

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

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

Specialty

Nurse Practitioner

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Katherine J Atkinson MD PCGroup PAC ID 6002851458, 8 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Katherine J. Atkinson, MD, PC

  • Internal Medicine Physician
  • Amherst, MA
  • NPI 1568598993

  Psychiatric/Mental Health

  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1738540800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1225842065",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17 RESEARCH DR",
            "city": "AMHERST",
            "state": "MA",
            "postal_code": "010022788",
            "telephone_number": "413-549-8400",
            "fax_number": "413-549-8409"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "165 HUDSON ST APT 1",
            "city": "SOMERVILLE",
            "state": "MA",
            "postal_code": "021442631",
            "telephone_number": "610-291-1489"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THORNTON",
        "first_name": "WILLIAM",
        "credential": "PMHNP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-02-03",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MA",
            "license": "RN2352821",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MA",
            "license": "RN2352821",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kimberly Thompson, LICSW
• Sally Thompson, MD
• Budsaba Thongla-Benjamin
• Benjamin Robert Thorn, PA-C
• Idalia Thornton, LPN
• Marguerite Thorp, MD
• Mackenzie Throne
• Amberly A Ticotsky, RN, BSN
• David Tierney, OD
• Emily Tingle

• Psychiatric/Mental Health Nurse Practitioner in Somerville, MA
• Providers in Somerville, 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 Aug 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.