Marnee Spierer, MD | Radiation Oncologist

Douglas Kelly, MD is a Radiation Oncologist at Cancer Treatment Centers of America® (CTCA) Tulsa. Dr. Kelly earned his medical degree from McGill Univeristy. He is accepting new patients.

Shana Wingo, MD, FACOG, joined City of Hope in November 2023 as a Gynecologic Oncologist with 13 years of experience serving patients in the Phoenix area.

Tibor Kovacsovics, M.D. is a hematologic oncologist for City of Hope Cancer Center Phoenix (formerly Cancer Treatment Centers of America [CTCA]), in Goodyear, Arizona. As an experienced blood cancer doctor, Dr. Kovacsovics played an integral role in establishing the leukemia program at City of Hope Phoenix as its Medical Director. He was excited by the challenge of developing the program from the ground up and has a great passion for health equity. Dr. Kovacsovics brings with him 20 years of experience conducting clinical research on a variety of hematologic malignancies, serving as principal director and co-director on dozens of groundbreaking studies.