Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Janet Gruner, RN CNM

Q: What is the NPI number for Janet Gruner?

The National Provider Identifier (NPI) for Janet Gruner is 1598934804, a Type 1 (individual) record in the CMS NPPES registry.

Advanced Practice Midwife in West Allis, WI · enumerated 2008.

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

National Provider Identifier

1598934804

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Registry record

Entity type Individual (Type 1)

Name Janet Gruner

Credential RN CNM

Sex Female

Practice address 8905 W Lincoln Ave, Suite 501, West Allis, WI, 53227

Phone (414) 978-2229

Fax (414) 978-2279

Enumeration date Feb 21, 2008

Last updated in NPPES May 7, 2010

Taxonomy & licenses

367A00000X Advanced Practice Midwife Physician Assistants & Advanced Practice Nursing Providers · License 86708 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
39900900	Medicaid	WI	-

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 Janet Gruner?

The National Provider Identifier (NPI) for Janet Gruner is 1598934804, a Type 1 (individual) record in the CMS NPPES registry.

Where does Janet Gruner practice?

The practice location on file with NPPES is in West Allis, 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 2010-05-07.