Justinian R. Ngaiza, MD, PhD earned his medical degree from Muhimbili University College of Health and Allied Sciences in Dar es Salaam, Tanzania. He completed his internship and residency at Washington Hospital Center in Washington, D.C., and his fellowship at Georgetown Lombardi Comprehensive Cancer Center, also in Washington, D.C. Dr. Ngaiza is board certified in internal medicine, hematology and medical oncology.