Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Ann Wille, RN NP

Q: What is the NPI number for Karen Wille?

The National Provider Identifier (NPI) for Karen Wille is 1871780684, a Type 1 (individual) record in the CMS NPPES registry.

Women's Health Nurse Practitioner in Brookfield, WI · enumerated 2007.

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

National Provider Identifier

1871780684

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Registry record

Entity type Individual (Type 1)

Name Karen Ann Wille

Credential RN NP

Sex Female

Practice address 17000 W North Ave, Suite 105e, Brookfield, WI, 53005

Phone (262) 786-6420

Fax (262) 786-1341

Enumeration date Sep 26, 2007

Last updated in NPPES Sep 26, 2007

Taxonomy & licenses

363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 84524-030 (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 Karen Wille?

The National Provider Identifier (NPI) for Karen Wille is 1871780684, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Wille practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-26.