Gregory C. Henkelmann, M.D.

Dr. Gregory Henkelmann is a radiation oncologist in Baton Rouge and Covington. He received his medical degree from Loma Linda University School of Medicine.

Robert S. Fields, M.D.

Robert S. Fields, MD

Dr. Robert Fields is a radiation oncologist and internal medicine specialist at Mary Bird Perkins Cancer Center in Baton Rouge. He received his medical degree from Jefferson Medical College and has been in practice for more than 40 years.

Katherine O. Castle, M.D.

Katherine Castle, MD

Dr. Katherine Castle is a radiation oncologist at Mary Bird Perkins Cancer Center in Baton Rouge at our Woman’s Cancer Pavilion location. Dr. Castle graduated from the UMDNJ Robert Wood Johnson Medical School in 2009.

Bryan J. Bienvenu, M.D.

Brian Bienvenu, MD

Dr. Bryan Bienvenu is a medical oncologist at Mary Bird Perkins Cancer Center in Baton Rouge. He received his medical degree from Louisiana State University Medical School in New Orleans.