Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Loretta Guzzi, DO

Neuromusculoskeletal Medicine & OMM Physician in Amherst, NH · enumerated 2006.

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

National Provider Identifier

1245396175

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Registry record

Entity type Individual (Type 1)

Name Dr. Loretta Guzzi

Credential DO

Sex Female

Practice address 294 Route 101, Greeley Point Unit E5, Amherst, NH, 03031

Phone (603) 249-9990

Enumeration date Dec 28, 2006

Last updated in NPPES Feb 5, 2018

Taxonomy & licenses

204D00000X Neuromusculoskeletal Medicine & OMM Physician Allopathic & Osteopathic Physicians · License 5684 (NH) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
0404187YONH01	Other	NH	ANTHEM

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

Is NPI 1245396175 active?

Yes, as of the latest NPPES snapshot, NPI 1245396175 is active (record last updated 2018-02-05).

How do I verify Loretta Guzzi's NPI record?

Cross-check NPI 1245396175 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-05.