Dr. Michael Robert Siedow, MD

Dr. Siedow practices at OhioHealth Mansfield Hospital in Mansfield, Ohio, part of OhioHealth.

Dr. Siedow's NPI, 1891227567, was assigned on March 31, 2017. Dr. Siedow graduated from Toledo Medical College in 2017. Dr. Siedow holds Ohio license 35.145631.

Dr. Siedow's primary practice is OhioHealth Mansfield Hospital, at 335 Glessner Avenue, Mansfield, OH 44903 in Richland County. The practice phone is (419) 526-8000.

Dr. Siedow's primary practice is OhioHealth Mansfield Hospital in Mansfield, Ohio, part of OhioHealth. Dr. Siedow is also affiliated with OhioHealth Riverside Methodist Hospital. The medical group on file is OhioHealth Physician Group. Dmand AI also links Dr. Siedow to 3 more hospitals, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siedow practices, 5 sites in all. Vendor and product names are available with a free account.

Radiation oncology is Dr. Siedow's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Siedow is licensed in Ohio.

CMS data shows 1,679 Medicare services from Dr. Siedow across 16 procedure codes in 2024, for 184 Medicare patients. Medicare paid $123,957 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 184 Medicare patients who saw Dr. Siedow in 2024. The largest group is 65 to 74, with 104 patients. 75% of them have cancer, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Siedow's median patient age at 72, with 49% women.

In 2024, Dr. Siedow wrote 320 Medicare Part D claims for 114 patients. 87% of them were for generic drugs. CMS names the drug for 223 of them, across 12 drugs with 11 or more claims each, at $1,938 in total drug cost. In 2023, CMS named 12 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Siedow for performance year 2024, reported as part of a group. Dr. Siedow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 7 papers to Dr. Siedow, published from 2011 to 2022. 2021 was the busiest year, with 4. Dr. Siedow's most frequent co-authors are Terence Williams, MD, Andrea Lee Harper Arnett, MD, PhD and Arnab Chakravarti, MD.

CMS Open Payments shows 3 general payments to Dr. Siedow from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $40.

Dr. Siedow graduated from Toledo Medical College in 2017.