Meet the governing board of The Network. Our physicians have a voice, with opportunities to participate in dozens of committees that lead and guide The US Oncology Network.
Lucy Langer, M.D., Chair
Dr. Lucy Langer is a medical oncologist, practice president, director of Compass Oncology’s Genetic Risk Evaluation and Testing program, and medical director of Cancer Genetics for The Network. Board certified in medical oncology, she received her medical degree from Stanford University School of Medicine.
Leslie Botnick, M.D.
Dr. Leslie Botnick is a board-certified radiation oncologist. He is a graduate of New York Medical College, Valhalla, NY. Botnick completed an internship with Metropolitan Hospital, New York, NY prior to completing his residency with the Joint Center for Radiation Oncology, Boston, MA. Areas of expertise include Breast, Prostate, Pancreatic and Rectal Cancer as well as Hodgkin and Non-Hodgkin Lymphoma.
Leslie Busby, M.D.
Dr. Leslie Busby is board-certified in hematology and medical oncology. He is medical director at Rocky Mountain Cancer Centers. Busby received his medical degree from The University of Nevada, School of Medicine, Reno, NV and completed his residency in internal medicine at the University of Missouri-Kansas City, Kansas City, MO.
Joseph Buscema, M.D.
Dr. Joseph Buscema is a gynecologic oncologist practicing at Arizona Oncology. He graduated from Johns Hopkins University School of Medicine and completed his residency and fellowship in gynecologic oncology. He has authored numerous articles on gynecologic cancer which have been published in Gynecologic Oncology, Obstetrics & Gynecology, and the American Journal of Obstetrics & Gynecology Cancer.
Todd Doyle, M.D.
Dr. Todd Doyle is a board-certified radiation oncologist practicing at New York Oncology and Hematology (NYOH). He received his medial degree from Albany Medical College and completed residencies in radiation oncology at the Mallinckrodt Institute of Radiology and Hospital of the University of Pennsylvania.
Mark Fleming, M.D.
Dr. Mark T. Fleming is a board-certified medical oncologist with Virginia Oncology Associates (VOA). He received his medical degree from Medical University of Ohio at Toledo and completed his residency at Temple University Hospital. Dr. Fleming currently serves as the Medical Director of US Oncology’s Genitourinary Research Committee.
Audrey Garrett, M.D.
Dr. Audrey Garrett is medical director of gynecologic oncology at Willamette Valley Cancer Institute. She board-certified in gynecologic oncology, obstetrics and gynecology, palliative care medicine and received her medical degree and MPH from Columbia University. Garrett completed a fellowship and residency at Brigham and Women’s hospital, Harvard University.
Amy McNally, M.D.
Dr. Amy McNally, MD is a Gynecologic Surgery Specialist in Saint Paul, MN and has over 21 years of experience in the medical field. She is board certified in gynecologic oncology and obstetrics and gynecology. McNally graduated from Creighton University School of Medicine medical school and completed a residency and fellowship at the University of Minnesota.
Timothy Murphy, M.D.
Dr. Timothy Murphy is a medical oncologist and hematologist with Rocky Mountain Cancer Centers (RMCC). He is board certified in medical oncology, internal medicine, hematology and FACP certified. Murphy completed residencies in internal medicine at Fitzsimons Army Medical Center, Aurora, CO and Walter Reed Army Medical Center, Washington, DC.
R. Steven Paulson, M.D.
Dr. Steven Paulson has served as president and chairman of Texas Oncology since 2000. He is a diplomat of the American Board of Internal Medicine. He is board certified. Paulson received his medical degree from The University of Texas Southwestern Medical School.
Alex Spira, MD, PhD, FACP
Dr. Alex Spira is a board-certified medical oncologist with Virginia Cancer Specialist (VCS). He earned his medical degree from the New York University School of Medicine and completed his internship and residency at the Hospital of the University of Pennsylvania. Spira also serves as director of the VCS Research Institute and the Phase I Trial Program.
John Schwerkoske, M.D.
Dr. Schwerkoske has been President of Minnesota Oncology since 2019. He is board certified in internal medicine, medical oncology and hematology and specializes in brain tumors and hematologic malignancies. He earned his medical degree from Ohio State University and completed his residency at Case Western Reserve in Cleveland, Ohio.
Ira Zackon, M.D.
Dr. Ira Zackon is director of the New York Oncology Hematology Stem Cell Transplant Program and sits on the NYOH Board of Directors. He is board certified in internal medicine, medical oncology, and hematology. He received his medical degree from McGill University Montreal. He completed his internship and residency in internal medicine at Royal Victoria Hospital, McGill University.