William L Diehl, MD
Morristown Medical Center, Summit Medical Group
Dr. Diehl is a surgical oncologist and breast surgeon specializing in the treatment of breast cancer. He has a special interest and expertise in triple negative breast cancer. He is the medical director of the Summit Medical Group Breast Center, past medical director of the Saint Clare’s Hospital Breast Center and past director of the Morristown Medical Center multidisciplinary breast cancer panel. He served on the NJ governor’s task force on breast cancer and also on the NJ COVID 19 Breast Cancer Task Force. He is on the surgical faculty at Morristown Medical Center where he is involved in the teaching of surgical residents.