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

Mary Lou Krauithoefer, BSN, RN

Registered Nurse in Elm Grove, WI · enumerated 2013.

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

National Provider Identifier

1770923633

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Registry record

Entity type Individual (Type 1)

Name Mary Lou Krauithoefer

Credential BSN, RN

Sex Female

Practice address Elm Grove, WI, 53122

Phone (262) 784-3110

Enumeration date Jun 25, 2013

Last updated in NPPES Jun 25, 2013

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

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 72601-030 (WI) 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
72601-030	Other	WI	RN

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 Mary Krauithoefer practice?

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

What is the NPI number for Mary Krauithoefer?

The National Provider Identifier (NPI) for Mary Krauithoefer is 1770923633, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-06-25.