Our Providers

Wenhui “William” Zhu, MD, PhD

Dr. Zhu earned his medical degree from Hunan Medical University in China and doctorate degree from the University of Hong Kong. After medical school he carried out a residency in internal medicine at Norwalk Hospital affiliated with Yale University School of Medicine in Norwalk,  Connecticut. He also completed his oncology and hematology fellowship training at the National Cancer Institute and the National Heart, Lung, and Blood Institute in Bethesda, Maryland.

Before joining the team at the Edwards Cancer Center, he worked in the Case Western University Hospital Cancer Center in Cleveland, Ohio. Dr. Zhu is board certified in internal medicine, hematology and medical oncology, and is dedicated to providing compassionate care to a broad range of oncology and hematology disorders.

J. Steven Johnson, MD

A native of Valdosta, Georgia, Dr. Johnson received his medical degree from the Medical College of Georgia. He then pursued an internship in medical oncology at the University of Washington, followed by a residency in radiation oncology. Dr. Johnson is board certified in radiation oncology by the American Board of Radiology.

In addition to his role at Edwards Cancer Center, Dr. Johnson practices at the Lewis Hall Singletary Oncology Center at Archbold Medical Center in Thomasville, where he has been the director of radiation oncology since 1988.

David Saunders, MD

Dr. Saunders received his medical degree from the Medical College of Georgia in 1991 after earning a bachelor of science from the University of Notre Dame. After completing medical school he pursued a residency in radiation oncology at the University of Texas Medical Branch in Galveston, Texas. Dr. Saunders is board certified in radiation oncology by the American Board of Radiology.

Dr. Saunders also provides care at the Lewis Hall Singletary Oncology Center where he has served on the medical staff at Archbold Medical Center since 1997.

Kerri Holloway-Cox, MSN, APRN, FNP-C

Kerri earned her nursing degree from Abraham Baldwin Agricultural College and then went on to receive her master’s degree in nursing from Walden University. Kerri has been an employee at Colquitt Regional for over 20 years.

Before moving to the Edwards Cancer Center, Kerri served as a nurse in the Intensive Care Unit at Colquitt Regional for 16 years. She holds certifications in critical care, advanced cardiac life support, basic life support, pediatric advanced life support, and crisis prevention and intervention. Kerri is also on-staff at Turning Point Hospital, a substance abuse and behavioral health treatment facility in Moultrie.