Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Carmen Marie Madsen

Psychiatric/Mental Health Nurse Practitioner in Milton Freewater, OR · enumerated 2021.

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

National Provider Identifier

1346825312

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Registry record

Entity type Individual (Type 1)

Name Carmen Marie Madsen

Sex Female

Practice address Milton Freewater, OR, 97862

Phone (541) 861-2131

Enumeration date Mar 11, 2021

Last updated in NPPES Mar 22, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 61150498 (WA) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 202102719NP-PP (OR) 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 Carmen Madsen?

The National Provider Identifier (NPI) for Carmen Madsen is 1346825312, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carmen Madsen practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-22.