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Granite State Behavioral Health Pllc

Q: What is the NPI number for Granite State Behavioral Health Pllc?

The NPI for Granite State Behavioral Health Pllc is 1184489510, a Type 2 (organization) record in the CMS NPPES registry.

Psychiatric/Mental Health Nurse Practitioner in Alton, NH · enumerated 2024 · authorized official Matthew Hersey, Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1184489510

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Registry record

Entity type Organization (Type 2)

Legal business name Granite State Behavioral Health Pllc

Practice address 119 Main Street, Alton, NH, 03809

Phone (603) 515-1700

Enumeration date Feb 15, 2024

Last updated in NPPES Apr 9, 2026

Taxonomy & classification

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Matthew Hersey

Title Owner

Phone (603) 515-1700

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Granite State Behavioral Health Pllc?

The NPI for Granite State Behavioral Health Pllc is 1184489510, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Granite State Behavioral Health Pllc?

NPPES lists Matthew Hersey (Owner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-09.