Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Catherine Loniewski Girdler, DO

Individual provider Emergency Medicine Physician · NPI 1275575250

Dr. Catherine Loniewski Girdler, DO is an Emergency Medicine in Rochester, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 1996, 30 years ago. Accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
30
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1101 W University Dr
Rochester, MI 48307-1863
Phone: (248) 283-1100
Fax: (248) 283-1103
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 5101012990 (MI)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence 5101012990 (MI)

Record details

NPI number1275575250
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESJanuary 31, 2024
Certification dateJanuary 31, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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