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

Dr. Michael Robert Siedow, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1891227567

Dr. Michael Robert Siedow, MD is a Radiation Oncology in Columbus, Ohio. Graduated from Toledo Medical College in 2017, 9 years ago. Practices with Ohiohealth Corporation, a 2,289-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
9
Trained at
Toledo Medical College
Licensed in
OH
In the registry since
2017
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

111 S Grant Ave
Columbus, OH 43215-4701
Phone: (614) 566-9506
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 35.145631 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1891227567
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2017
Last updated in NPPESAugust 17, 2022
Certification dateAugust 17, 2022

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolTOLEDO MEDICAL COLLEGE
Graduated 2017 (9 years in practice)
Group practice Ohiohealth Corporation — 2289 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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