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Catherine Loniewski Girlder Do Pllc

Emergency Medical Services (Emergency Medicine) Physician in Rochester, MI · enumerated 2026 · authorized official Catherine Loniewski Girdler, Onwer.

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

National Provider Identifier

1457202681

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Registry record

Entity type Organization (Type 2)
Legal business name Catherine Loniewski Girlder Do Pllc
Practice address 1101 W University Dr, Rochester, MI, 48307
Phone (248) 652-5454
Fax (248) 601-6198
Enumeration date Feb 4, 2026
Last updated in NPPES Feb 4, 2026

Taxonomy & classification

207PE0004X Emergency Medical Services (Emergency Medicine) Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Catherine Loniewski Girdler
Title Onwer
Phone (248) 613-1017

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

Who is the authorized official for Catherine Loniewski Girlder Do Pllc?
NPPES lists Catherine Loniewski Girdler (Onwer) as the authorized official for this organization.
What is the NPI number for Catherine Loniewski Girlder Do Pllc?
The NPI for Catherine Loniewski Girlder Do Pllc is 1457202681, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-04.