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

Patricia K. Rau, MSN, CGRN, ANP

Q: What is the NPI number for Patricia Rau?

The National Provider Identifier (NPI) for Patricia Rau is 1225035843, a Type 1 (individual) record in the CMS NPPES registry.

Adult Health Nurse Practitioner in Grand Rapids, MI · enumerated 2005.

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

National Provider Identifier

1225035843

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Registry record

Entity type Individual (Type 1)

Name Patricia K. Rau

Credential MSN, CGRN, ANP

Sex Female

Practice address Grand Rapids, MI, 49503

Phone (616) 752-6525

Fax (616) 752-6556

Enumeration date Jun 29, 2005

Last updated in NPPES Sep 27, 2012

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

Taxonomy & licenses

163WG0100X Gastroenterology Registered Nurse Nursing Service Providers · License 4704141476 (MI) Secondary

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704141476 (MI) Primary

Other identifiers

Identifier	Type	State	Issuer
4385281	Medicaid	MI	-

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 Patricia Rau practice?

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

What is the NPI number for Patricia Rau?

The National Provider Identifier (NPI) for Patricia Rau is 1225035843, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-27.