NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathleen L Madden, RN, CNP

Family Nurse Practitioner in Duluth, MN · enumerated 2006 · practices at St. Luke'S Hospital of Duluth.

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

National Provider Identifier

1518946318

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Kathleen L Madden
Credential RN, CNP
Sex Female
Practice address 1000 E 1st St Ste 203, Duluth, MN, 55805
Phone (218) 249-6450
Fax (218) 249-6451
Enumeration date Jan 11, 2006
Last updated in NPPES Dec 18, 2020

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R 099297-2 (MN) Primary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

Other identifiers

Identifier Type State Issuer
131637100 Medicaid MN -

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 Kathleen Madden?
The National Provider Identifier (NPI) for Kathleen Madden is 1518946318, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kathleen Madden practice?
The practice location on file with NPPES is in Duluth, MN. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-18.