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 About JMH

Cancer Care

Our 60,000 square foot facility is dedicated to outpatient oncology care.  We provide medical and radiation oncology services, including diagnostic radiology and laboratory services.  Our patients also have access to cancer education and screening programs, as well as a breast cancer support group.

JMH Cancer Care Location

16000 Johnston Memorial Drive, Abingdon, VA 24211

JMH Cancer Center

Our Providers


Mark Davis, MD

Mark Davis specializes in medical oncology at Johnston Memorial Hospital.  He received his medical degree from University of Virginia, Charlottesville.  He completed his residency at University of Kentucky, Lexington, and a fellowship at Bowman Gray School of Medicine.  He is board-certified by the American Board of Internal Medicine and is a member of the American Society of Clinical Oncology.

 Dr. Bernard Tisdale Bernard Tisdale, MD

Bernard Tisdale, MD is a board certified Radiation Oncologist at Johnston Memorial Hospital. He is a member of the American College of Radiology, American Society for Therapeutic Radiology and Oncology, American College of Radiation Oncology, and American Academy of Family Practice.

Dr. Tisdale previously served as staff radiation oncologist at the Commonwealth Cancer Institute in Richmond, VA. He serves on multiple healthcare and community committees.

Ahmad Hammad, MD Ahmad Hammad, MD

Dr. Hammad completed his oncology fellowship and residency in internal medicine at East Tennessee State University's James H. Quillen College of Medicine, and earned his medical degree form Jordan University School of Medicine.

He is board-certified in medical oncology by the American Board of Internal Medicine.
 Dr. Bernard Tisdale Cathy Hopkins, PA

Cathy Hopkins, PA received a bachelor's degree in biomedical studies from Texas A&M University and a bachelor's degree in physician assistant studies from the University of Texas Medical Branch. She was previously employed by M.D. Anderson Cancer Center and Vanderbilt. Hopkins is a member of the American Academy of Physician Assistants.

Johnston Memorial Hospital