Granite State Behavioral Health PLLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

GRANITE STATE BEHAVIORAL HEALTH PLLC

Practice address

119 Main Street
Alton, NH 03809

Phone

(603) 515-1700

NPI assigned

Feb 15, 2024

Organization subpart

No

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

Authorized official

Name

Mr. Matthew Hersey, APRNNPI 1538923925

Title

Owner

Phone

(603) 515-1700

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Matthew H Hersey, APRN

  • Psychiatric/Mental Health Nurse Practitioner
  • Manchester, NH
  • NPI 1538923925
  NPD Authorized official

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

{
    "created_epoch": "1707955200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1775692800000",
    "number": "1184489510",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 600",
            "city": "ALTON",
            "state": "NH",
            "postal_code": "038090600",
            "telephone_number": "603-515-1700",
            "fax_number": "603-607-6472"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "119 MAIN STREET",
            "city": "ALTON",
            "state": "NH",
            "postal_code": "03809",
            "telephone_number": "603-515-1700"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "18 Union St",
            "address_purpose": "LOCATION",
            "city": "Wolfeboro",
            "state": "NH",
            "postal_code": "038944480",
            "country_code": "US",
            "telephone_number": "603-515-1700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "GRANITE STATE BEHAVIORAL HEALTH PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-02-15",
        "last_updated": "2026-04-09",
        "certification_date": "2026-04-09",
        "status": "A",
        "authorized_official_last_name": "HERSEY",
        "authorized_official_first_name": "MATTHEW",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "603-515-1700",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "APRN"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Psychiatric/Mental Health Nurse Practitioner in Alton, NH
• Providers in Alton, NH by specialty
• Psychiatric/Mental Health Nurse Practitioner in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 9, 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.