Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Birtzer

Q: What is the NPI number for Mary Birtzer?

The National Provider Identifier (NPI) for Mary Birtzer is 1093114225, a Type 1 (individual) record in the CMS NPPES registry.

Physical Therapy Assistant in Chippewa Falls, WI · enumerated 2014.

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

National Provider Identifier

1093114225

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Registry record

Entity type Individual (Type 1)

Name Mary Birtzer

Sex Female

Practice address 2815 County Highway I, Chippewa Falls, WI, 54729

Phone (715) 723-9341

Enumeration date Aug 13, 2014

Last updated in NPPES Aug 13, 2014

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 314000000X (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

Where does Mary Birtzer practice?

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

What is the NPI number for Mary Birtzer?

The National Provider Identifier (NPI) for Mary Birtzer is 1093114225, 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 2014-08-13.