Why Ironwood Cancer & Research Centers. Ironwood Cancer & Research Centers was founded in 1993 by Dr. Parvinderjit Khanuja. Over almost three decades, Ironwood has grown throughout metro Phoenix area. Today Ironwood has 15 locations including 5 comprehensive cancer centers, a multi-specialty oncology network of over 100 providers, a robust Integrative Services program, a dedicated research department, and a growing Women’s oncology program. With ...