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Radiation Oncology in Columbus, Ohio

Data updated monthly · Last refresh September 2026

68 Radiation Oncology providers practice in Columbus, and 54% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Radiation Oncology providers in Columbus

Listed alphabetically. 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. Aashish Bhatt, MD
Columbus, OH · $33 in drug and device payments (2025) · (614) 293-8415
Dr. Abhay Gokhale, M.D.
Columbus, OH · $23 in drug and device payments (2025) · (614) 234-5100
Dr. Ahmed Elguindy, MD
Columbus, OH · No drug or device payments recorded (2025) · (800) 293-5066
Dr. Allison Quick, MD
Columbus, OH · No drug or device payments recorded (2025) · Telehealth · (614) 293-8415
Dr. Andrew Freeman, MD
Columbus, OH · $104 in drug and device payments (2025) · (614) 566-9506
Dr. Arnab Chakravarti, M.D.
Columbus, OH · $71 in drug and device payments (2025) · (614) 293-8415
Dr. Austin Sim, MD
Columbus, OH · $594 in drug and device payments (2025) · Telehealth · (614) 293-8415
Dr. Christopher Pelloski, M.D.
Columbus, OH · No drug or device payments recorded (2025) · (614) 293-8415
Dr. Constance Bauer, MD
Columbus, OH · No drug or device payments recorded (2025) · (614) 566-9506
Dr. Courtney Pisano, D.O.
Columbus, OH · No drug or device payments recorded (2025) · (614) 688-7040
Dr. Daniel Leach, MD, MENG
Columbus, OH · $151 in drug and device payments (2025) · (614) 293-5066
Dr. Darrion Mitchell, M.D., PH.D.
Columbus, OH · No drug or device payments recorded (2025) · (614) 293-8415
Dr. David Konieczkowski, M.D., PH.D.
Columbus, OH · No drug or device payments recorded (2025) · Telehealth · (614) 293-8415
Dr. Dayssy Diaz Pardo, M.D.
Columbus, OH · No drug or device payments recorded (2025) · Telehealth · (614) 293-8415
Dr. Douglas Martin, M.D.
Columbus, OH · No drug or device payments recorded (2025) · Telehealth · (614) 293-8415
Dr. Douglas Widman, MD
Columbus, OH · $44 in drug and device payments (2025) · (614) 234-5100
Dr. Dukagjin Blakaj, MD
Columbus, OH · $1,117 in drug and device payments (2025) · (614) 293-8415
Dr. Emile Gogineni, DO
Columbus, OH · No drug or device payments recorded (2025) · (614) 293-8415
Dr. Eric Allan
Columbus, OH · No drug or device payments recorded (2025) · (614) 566-3322
Dr. Eric Miller, MD, PHD
Columbus, OH · $20 in drug and device payments (2025) · Telehealth · (614) 293-8415
Dr. Evan Wuthrick, M.D.
Columbus, OH · $1,259 in drug and device payments (2025) · Telehealth · (614) 366-3886
Dr. Fatemeh Fekrmandi, MD, MSC
Columbus, OH · $1,037 in drug and device payments (2025) · (614) 293-8415
Dr. Jacob Eckstein, MD
Columbus, OH · No drug or device payments recorded (2025) · Telehealth · (614) 293-8415
Dr. Jason Seavolt, MD
Columbus, OH · $232 in drug and device payments (2025) · (614) 566-5000
Dr. Jeremy Brownstein, M.D.
Columbus, OH · $1,350 in drug and device payments (2025) · Telehealth · (614) 293-8415
Dr. John Grecula, MD
Columbus, OH · No drug or device payments recorded (2025) · (614) 293-8415
Dr. Jonathan Schoenhals, MD
Columbus, OH · No drug or device payments recorded (2025) · (614) 293-3255
Dr. Joshua Palmer, MD
Columbus, OH · $42,128 in drug and device payments (2025) · Telehealth · (614) 293-8415
Dr. Julia White, M.D.
Columbus, OH · $85 in drug and device payments (2025) · Telehealth · (614) 688-7374
Dr. Justin Mills, M.D.
Columbus, OH · No drug or device payments recorded (2025) · (937) 789-3423
Dr. Kaidi Wang, MD
Columbus, OH · $125 in drug and device payments (2025) · (614) 688-7040
Dr. Karl Haglund, MD, PHD
Columbus, OH · No drug or device payments recorded (2025) · Telehealth · (614) 293-8415
Dr. Kenneth Pitter, MD
Columbus, OH · No drug or device payments recorded (2025) · Telehealth · (614) 293-8415
Dr. Khaled Dibs, MD
Columbus, OH · $297 in drug and device payments (2025) · (614) 293-8415
Dr. Louis Rivello, MD
Columbus, OH · No drug or device payments recorded (2025) · (614) 383-6224
Dr. Mark Becker, M.D.
Columbus, OH · No drug or device payments recorded (2025) · (614) 566-9506
Dr. Mark Crnkovich, MD
Columbus, OH · No drug or device payments recorded (2025) · (614) 566-5000
Dr. Marshall Harrell, MD
Columbus, OH · $273 in drug and device payments (2025) · (614) 293-5066
Dr. Megan Dehaan, MD
Columbus, OH · $1,127 in drug and device payments (2025) · Telehealth · (614) 566-5560
Dr. Patrick Wald
Columbus, OH · $58 in drug and device payments (2025) · Telehealth · (614) 566-3322
Dr. Pavnesh Kumar, MD
Columbus, OH · $23 in drug and device payments (2025) · (614) 293-3255
Dr. Praveen Dubey, MD
Columbus, OH · $97 in drug and device payments (2025) · (614) 566-5000
Dr. Qian Zhang, MD, M.S., PH.D.
Columbus, OH · $205 in drug and device payments (2025) · (614) 293-8415
Dr. Raju Raval, M.D., D.PHIL.
Columbus, OH · $3,451 in drug and device payments (2025) · Telehealth · (614) 293-8415
Dr. Rebekah Young, MD
Columbus, OH · No drug or device payments recorded (2025) · Telehealth · (614) 293-8415
Dr. Reinhard Gahbauer, MD
Columbus, OH · No drug or device payments recorded (2025) · (614) 436-4586
Dr. Russell Palm, M.D.
Columbus, OH · $766 in drug and device payments (2025) · Telehealth · (614) 293-8415
Dr. Ryan Salem
Columbus, OH · No drug or device payments recorded (2025) · (614) 566-9506
Dr. Sachin Jhawar, M.D., M.S.
Columbus, OH · $255 in drug and device payments (2025) · (614) 688-7040
Dr. Sana Rehman, M.D.
Columbus, OH · $140 in drug and device payments (2025) · Telehealth · (614) 566-5560

Common questions

How many Radiation Oncology providers are in Columbus, Ohio?

There are 68 Radiation Oncology providers with active NPI records practicing in Columbus, according to federal NPPES data refreshed monthly.

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

37 of 68 (54%) 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 records 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.

All specialties in Columbus Radiation Oncology across Ohio

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.