Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marlys Magdalene Eggum, FNPC

Q: What is the NPI number for Marlys Eggum?

The National Provider Identifier (NPI) for Marlys Eggum is 1205044666, a Type 1 (individual) record in the CMS NPPES registry.

Family Nurse Practitioner in Miles City, MT · enumerated 2007.

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

National Provider Identifier

1205044666

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Registry record

Entity type Individual (Type 1)

Name Marlys Magdalene Eggum

Credential FNPC

Sex Female

Practice address 1010 Main St, Courthouse Annex, Miles City, MT, 59301

Phone (406) 874-3377

Fax (406) 874-3459

Enumeration date May 18, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 21272 (MT) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Marlys Eggum?

The National Provider Identifier (NPI) for Marlys Eggum is 1205044666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marlys Eggum practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.