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Radiation Oncologists in Ohio

Data updated monthly · Last refresh October 2026

290 Radiation Oncology providers practice in Ohio, including 84 (29%) offering telehealth. The largest concentration is in Columbus. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

290providers
84telehealth
Columbustop city

Radiation Oncology by city in Ohio

Choose a city to see providers there.

Radiation Oncology in Columbus68 providers
Radiation Oncology in Cleveland58 providers
Radiation Oncology in Cincinnati37 providers
Radiation Oncology in Kettering13 providers
Radiation Oncology in Lima7 providers
Radiation Oncology in Canton7 providers
Radiation Oncology in Toledo6 providers
Radiation Oncology in Akron6 providers
Radiation Oncology in Englewood5 providers
Radiation Oncology in Elyria5 providers
Radiation Oncology in Fairfield4 providers
Radiation Oncology in Sandusky4 providers
Radiation Oncology in Newark4 providers
Radiation Oncology in Sylvania4 providers
Radiation Oncology in Mentor4 providers
Radiation Oncology in Perrysburg3 providers
Radiation Oncology in Boardman3 providers
Radiation Oncology in Dayton3 providers
Radiation Oncology in Beavercreek3 providers
Radiation Oncology in Gallipolis3 providers
Radiation Oncology in Athens3 providers
Radiation Oncology in Maumee2 providers
Radiation Oncology in Warren2 providers
Radiation Oncology in Chillicothe2 providers

Radiation Oncology providers in Ohio

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Louis Novak, MD
Mentor, OH · $34 in drug and device payments (2025) · (440) 205-5755
Dr. Praveena Cheruvu, MD
Middletown, OH · $742 in drug and device payments (2025) · (937) 293-1622
Dr. Ryan Steinmetz, MD
Middletown, OH · $161 in drug and device payments (2025) · (937) 293-1622
Dr. Adam Maier, D.O.
Newark, OH · No drug or device payments recorded (2025) · (740) 344-3100
Dr. Chuck Cho, M.D.
Newark, OH · No drug or device payments recorded (2025) · (740) 344-3100
Dr. Eugene Hong, M.D.
Newark, OH · $149 in drug and device payments (2025) · (740) 344-3100
Dr. Hong Zhang, M.D.
Newark, OH · No drug or device payments recorded (2025) · (740) 344-3100
Dr. Ankit Modh, M.D.
Perrysburg, OH · $410 in drug and device payments (2025) · (537) 368-1520
Dr. Hassan Beydoun, M.D.
Perrysburg, OH · No drug or device payments recorded (2025) · (567) 368-1520
Dr. Suketu Patel, MD, MPH
Perrysburg, OH · $119 in drug and device payments (2025) · (567) 368-1520
Dr. Horia Vulpe, MD, CM
Portsmouth, OH · No drug or device payments recorded (2025) · (740) 356-7490
Dr. Li-fen Chang, M.D.
Portsmouth, OH · No drug or device payments recorded (2025) · (740) 356-7571
Dr. Elisha Fredman, MD
Ravenna, OH · No drug or device payments recorded (2025) · (440) 285-6740
Dr. Kevin Chaung, MD
Ravenna, OH · $43 in drug and device payments (2025) · Telehealth · (330) 235-7081
Dr. George Engeler, MD
Sandusky, OH · $111 in drug and device payments (2025) · Telehealth · (419) 626-9090
Dr. Khalid Siddiqui, MD
Sandusky, OH · No drug or device payments recorded (2025) · (419) 625-6647
Dr. Norleena Poynter, MD
Sandusky, OH · $308 in drug and device payments (2025) · Telehealth · (419) 557-7480
Dr. Saju Rajan, M.D.
Sandusky, OH · No drug or device payments recorded (2025) · Telehealth · (419) 626-9090
Dr. Aryavarta Kumar, M.D., PH.D.
Springfield, OH · $108 in drug and device payments (2025) · Telehealth · (937) 323-5001
Dr. Sandra Victor, M.D.
Springfield, OH · $17 in drug and device payments (2025) · (937) 323-5001
Dr. Eric Kielhorn, M.D.
Sylvania, OH · No drug or device payments recorded (2025) · (419) 824-1952
Dr. Jalal Hyder, DO
Sylvania, OH · $18 in drug and device payments (2025) · (419) 824-1952
Dr. Jeffrey Forquer, M.D.
Sylvania, OH · No drug or device payments recorded (2025) · Telehealth · (419) 824-1952
Dr. Steven Rubin, MD
Sylvania, OH · No drug or device payments recorded (2025) · Telehealth · (419) 824-1952
Dr. Dhaval Parikh, MD
Toledo, OH · $39 in drug and device payments (2025) · (419) 471-0493
Dr. Gerald Marsa, M.D.
Toledo, OH · No drug or device payments recorded (2025) · (419) 251-4572
Dr. Kaiming Guo, MEDICAL PHYSICIST
Toledo, OH · No drug or device payments recorded (2025) · (801) 514-6661
Dr. Krishna Reddy, M.D., PH.D.
Toledo, OH · No drug or device payments recorded (2025) · Telehealth · (419) 383-4541
Dr. Shaneli Fernando, M.D.
Toledo, OH · $35 in drug and device payments (2025) · (419) 471-0493
Dr. Steven Zeidner, MD
Toledo, OH · No drug or device payments recorded (2025) · (419) 471-0493
Dr. Ronald Setzkorn, MD
Troy, OH · $57 in drug and device payments (2025) · (937) 293-1622
Dr. Kevin Kelley, M.D., PHD
Warren, OH · No drug or device payments recorded (2025) · (330) 841-9399
Dr. Shaju Shamsuddin, MD
Warren, OH · $207 in drug and device payments (2025) · (330) 841-4126
Dr. Michael Siedow, M.D.
Westerville, OH · $19 in drug and device payments (2025) · (614) 788-3333
Dr. Daesung Lee, MD
Wooster, OH · No drug or device payments recorded (2025) · Telehealth · (330) 287-4500
Dr. Michael Seider, PH.D., M.D., F.A.C.R
Wooster, OH · $54 in drug and device payments (2025) · (330) 262-6060
Dr. Timothy Griffith, MD
Wpafb, OH · $20 in drug and device payments (2025) · (937) 257-1398
Dr. Dwight Heron, MD
Youngstown, OH · $284 in drug and device payments (2025) · (330) 480-2182
Dr. John Hyland, M.D.
Youngstown, OH · $170 in drug and device payments (2025) · (330) 480-2182
Dr. Shalini Gupta, M.D.
Zanesville, OH · $26 in drug and device payments (2025) · (740) 454-5271

Common questions

How many Radiation Oncology providers are in Ohio?

There are 290 Radiation Oncology providers with active NPI records practicing in Ohio, according to federal NPPES data refreshed monthly.

Do Radiation Oncology providers in Ohio offer telehealth?

Yes. 84 of the 290 Radiation Oncology providers in Ohio (about 29%) report offering telehealth services in CMS data.

Which cities in Ohio have the most Radiation Oncology providers?

Columbus (68), Cleveland (58), Cincinnati (37) have the highest concentration of Radiation Oncology providers in Ohio.

How many Radiation Oncology providers in Ohio received drug or device company payments?

151 of 290 Radiation Oncology providers in Ohio (52%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Radiation Oncologists in Ohio work in independent practices or large health systems?

Among 191 Radiation Oncologists in Ohio enrolled in Medicare, 6% bill through a solo or small practice with fewer than 10 clinicians, 28% through a mid-size group of 10 to 99, and 66% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Radiation Oncologists in Ohio work at?

According to CMS facility affiliation records, the Ohio hospitals where the most Radiation Oncologists hold privileges are Cleveland Clinic in Cleveland; Ohio State University State Health System in Columbus; Akron General Medical Center in Akron.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Radiation Oncology in Ohio? Get featured.