Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sonya Harder Milheim, PMHNP

Psychiatric/Mental Health Nurse Practitioner in Kalispell, MT · enumerated 2007 · practices at Recovery Centers of Montana LLC.

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

National Provider Identifier

1225154453

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Registry record

Entity type Individual (Type 1)

Name Sonya Harder Milheim

Credential PMHNP

Sex Female

Practice address 2282 Us Highway 93 S, Kalispell, MT, 59901

Phone (406) 756-8721

Fax (406) 257-1353

Enumeration date Mar 21, 2007

Last updated in NPPES Mar 23, 2020

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 20474 (MT) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 20474 (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

Where does Sonya Milheim practice?

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

What is the NPI number for Sonya Milheim?

The National Provider Identifier (NPI) for Sonya Milheim is 1225154453, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-23.