Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Vincenzo Graziano

Psychiatric/Mental Health Nurse Practitioner in Westfield, MA · enumerated 2021 · practices at Latitude Psychiatry, LLC.

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

National Provider Identifier

1386300366

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Registry record

Entity type Individual (Type 1)

Name John Vincenzo Graziano

Sex Male

Practice address 77 Mill St Ste 220, Westfield, MA, 01085

Phone (413) 213-3812

Enumeration date Nov 13, 2021

Last updated in NPPES May 13, 2024

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2326368 (MA) Primary

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.

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Frequently asked questions

What is the NPI number for John Graziano?

The National Provider Identifier (NPI) for John Graziano is 1386300366, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Graziano practice?

The practice location on file with NPPES is in Westfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Latitude Psychiatry, LLC Psychiatric/Mental Health Nurse Practitioner · Westfield, MA NPI 1447975818

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-13.