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

Paul O Thieme Jr., DO

Individual provider Radiation Oncology Physician · NPI 1568535938

Paul O Thieme Jr., DO is a Radiation Oncology in Grand Rapids, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 1988, 38 years ago. Practices with Radiation Oncology Centers PC, a 9-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
38
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
In the registry since
2006
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

145 Michigan St NE Ste 1100
Grand Rapids, MI 49503-2562
Phone: (616) 486-5750
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 420 W Magnetic Street, Marquette, MI 49855 — (906) 228-9440

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 010272 (MI)

Record details

NPI number1568535938
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 15, 2006
Last updated in NPPESDecember 9, 2025
Certification dateDecember 9, 2025

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1988 (38 years in practice)
Group practice Radiation Oncology Centers Pc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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