Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Courtney M Collien

Adult Health Nurse Practitioner in Fond Du Lac, WI · enumerated 2014.

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

National Provider Identifier

1124443726

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Registry record

Entity type Individual (Type 1)

Name Courtney M Collien

Sex Female

Practice address 889 E Johnson St, Fond Du Lac, WI, 54935

Phone (920) 367-6700

Enumeration date Feb 19, 2014

Last updated in NPPES Dec 14, 2023

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 166270 (WI) Secondary

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 5691 (WI) 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 Courtney Collien?

The National Provider Identifier (NPI) for Courtney Collien is 1124443726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Courtney Collien practice?

The practice location on file with NPPES is in Fond Du Lac, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Teegan Kraus Physician Assistant · Fond Du Lac, WI NPI 1255823316

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-14.