Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Katie Christine Althuis

Clinical Exercise Physiologist in Ann Arbor, MI · enumerated 2025.

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

National Provider Identifier

1679453336

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Registry record

Entity type Individual (Type 1)

Name Mrs. Katie Christine Althuis

Sex Female

Practice address 2215 Fuller Rd, Ann Arbor, MI, 48105

Phone (734) 877-1784

Enumeration date Sep 4, 2025

Last updated in NPPES Sep 4, 2025

Taxonomy & licenses

224Y00000X Clinical Exercise Physiologist Respiratory, Developmental, Rehabilitative and Restorative Service Providers 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.

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Frequently asked questions

What is the NPI number for Katie Althuis?

The National Provider Identifier (NPI) for Katie Althuis is 1679453336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katie Althuis practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-04.