Our Team

The Department of Radiation Oncology at The Ohio State University provides leading edge and compassionate patient care in a scholarly environment enriched with excellence in research and education. Scroll down below to find out more information on our talented physicians.

Arnab Chakravarti, MD

Arnab Chakravarti, MD

Chair and Professor, Dept of Radiation Oncology
Max Morehouse Chair in Cancer Research
Co-Director Brain Tumor Program

Medical Degree:  University of Virginia
Specialty Training: Radiation Oncology at Harvard, Massachusetts General
Clinical Interests: Adult Central Nervous System (CNS) tumors
Research Interests: Signal Transduction Pathways in Glioblastomas and prostate cancer; uncovering the underlying mechanisms of Radiation Resistance; correlative studies on clinical samples to identify predictive and prognostic markers 


Virginia Diavolitsis, MD

Medical Degree: Northwestern University, Feinberg School of Medicine – Chicago, IL
Specialty Training: Northwestern Memorial Hospital – Chicago, IL
Clinical Interests: Women’s Cancer, Breast Cancer


 John C. Grecula, MD

Associate Professor of Radiation Oncology

Medical Degree: Northeastern Ohio University College of Medicine, Rootstown, OH
Specialty Training: Ohio State University Medical Center, Columbus, Ohio
Clinical Interests: Radiation Oncology Clinical Trials, Head and Neck Cancer, Lung Cancer
Research Interests: Stereotactic Radiosurgery/Stereotactic Radiotherapy, Interoperative Radiotherapy, Radiosensitizers and Lung Cancer
Principal Investigator: Radiation Therapy Oncology Group


Douglas Martin,MD 

Douglas Martin, MD

Clinical Director, Department of Radiation Oncology
Associate Professor of Radiation Oncology

Medical Degree: University of South Dakota School of Medicine, Vermillion, S.D.
Specialty Training: University of Iowa and Clinics, Iowa City, Iowa
Clinical Interests: Urologic Cancer, Gynecologic Cancers, Intraoperative Radiation Therapy, Breast Cancer
Research Interests: Urologic Cancer, Gynecologic Cancers


Allison Quick, MD

Medical Degree: University of Vermont College of Medicine – Burlington, VT
Specialty Training: The Ohio State University James Cancer Hospital – Columbus, OH
Clinical Interests: Breast Cancer, Women’s Cancer


Meng Xu Welliver, MD

Medical Degree: Pennsylvania State University College of Medicine – Hersey, PA
Specialty Training: Hospital of the University of Pennsylvania – Philadelphia, PA
Clinical Interests: Lymphoma, Leukemia, Central Nervous System (CNS) tumors, Lung Cancer 

Julia White, MD

Medical Degree: Rosemont College – Rosemont, PA
Specialty Training: William Beaumont Hospital – Royal Oak, MI
Clinical Interests: Breast Cancer 


Terence Williams, MD

Medical Degree: Albert Einstein College of Medicine – Bronx, NY
Specialty Training: University of Michigan Health Systems – Ann Arbor, MI
Clinical Interests: Gastrointestinal Cancer, Lung Cancer



Evan Wuthrick, MD

Medical Degree: Jefferson Medical College – Philadelphia, PA


Dr. Fen Xia

Fen Xia, MD

Medical Degree: Suzhou Medical College – China
Specialty Training: Vanderbilt University Medical Center – Nashville, TN
Clinical Interests: Central Nervous System (CNS) tumors, Breast Cancer, Women’s Cancer



The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC – James) 460 W. 10th Avenue, Columbus, OH 43210 Phone: 1-800-293-5066 | Email: jamesline@osumc.edu