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Theresa A. Klein, APNP

Nurse Practitioner in Glendale, WI · enumerated 2013 · practices at Orthopaedic Hospital of Wisconsin, LLC.

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

National Provider Identifier

1598195372

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Registry record

Entity type Individual (Type 1)
Name Theresa A. Klein
Credential APNP
Sex Female
Practice address 475 W River Woods Pkwy, Glendale, WI, 53212
Phone (414) 961-6767
Fax (414) 961-6727
Enumeration date Nov 15, 2013
Last updated in NPPES Nov 21, 2016

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 5599 (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.

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Frequently asked questions

What is the NPI number for Theresa Klein?
The National Provider Identifier (NPI) for Theresa Klein is 1598195372, a Type 1 (individual) record in the CMS NPPES registry.
Where does Theresa Klein practice?
The practice location on file with NPPES is in Glendale, WI. 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 2016-11-21.