Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dianne M Nagy, RNC, NP

Q: What is the NPI number for Dianne Nagy?

The National Provider Identifier (NPI) for Dianne Nagy is 1366551087, a Type 1 (individual) record in the CMS NPPES registry.

Obstetrics & Gynecology Nurse Practitioner in Billings, MT · enumerated 2006.

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

National Provider Identifier

1366551087

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Registry record

Entity type Individual (Type 1)

Name Dianne M Nagy

Credential RNC, NP

Sex Female

Practice address 2900 12th Ave N, Billings, MT, 59101

Phone (406) 238-6010

Enumeration date Aug 29, 2006

Last updated in NPPES Mar 2, 2020

Taxonomy & licenses

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 100207 (MT) Primary

363LX0001X Obstetrics & Gynecology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN017133 (MT) Secondary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
1001479	Other	MT	PREFERRED ONE
37491	Other	MT	BLUE CROSS
432289	Medicaid	MT	-
46155203	Other	MT	WAUSAU

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

Where does Dianne Nagy practice?

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

What is the NPI number for Dianne Nagy?

The National Provider Identifier (NPI) for Dianne Nagy is 1366551087, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-02.