Meet the Speakers

Ron DiGiaimo, MBA, FACHE

Ron DiGiaimo has more than 30 years' experience in clinical, mid-level and executive level operational management and a solid oncology financial management background. He is the Chairman and CEO of Revenue Cycle Coding Strategies Inc. Ron's particular strong suit is operational management of cancer facilities. His knowledge of quality care along with referral patterns is key to assisting physicians and/or hospital administration in the selection and mentoring of staff and execution of operational goals.

Ron is a frequent speaker at various radiation oncology conferences and recently spoke at the ASTRO, ASRT and SROA conferences on the topics of:

• EOB Coding/ Operational/ Financial Improvement
• Protons - Advancements in Science
• Radiation Therapy Coding and Documentation

Ron is active key oncology groups including ACRO, ASTRO, SROA, ACCC, ACE, AAMD, ASCO and ACHE. He currently assists with the publication of the American College of Radiation Oncology Practice Management Guide, which serves to educate all National Medical Directors from Medicare to commercial insurers as well as the oncology community.

Ron earned an MBA from Oklahoma Christian University and a bachelor’s degree in health administration from Weber State University. He is also a past Radiation Therapist, trained at Allen Shivers Radiation Therapy School in Austin, Texas, and has an Associates Degree of Radiography from MCC in Waco, Texas.

Gary Freedman, MD

Dr. Gary Freedman is the Chief of Women's Health Services and Radiation Oncology at the Perelman Center for Advanced Medicine and a Professor of Radiation Oncology in the Perelman School of Medicine of the University of Pennsylvania. He’s been in practice for 24 years.

His practice and academic focus is limited to breast cancer.  His research interests have been focused on shortening radiation courses by hypofractionation, intensity modulated radiation therapy (IMRT), concurrent boost, proton beam radiation, cardiac effects of radiation therapy, and techniques to reduce cardiac dose in breast cancer.  He has published over 100 peer-reviewed manuscripts, review articles and book chapters about breast cancer, radiation for intact breast and post-mastectomy indications, and radiation therapy techniques and their side effects.

He is board certified in American Board of Radiology in Radiation Oncology and received his MD at the Temple University School of Medicine. He did his internship at Abington Memorial Hospital and residency at Fox Chase Cancer Center.

Minesh Mehta, MD

Dr. Minesh Mehta is deputy director and chief of radiation oncology at Miami Cancer Institute, a part of Baptist Health South Florida. He is a widely renowned expert in radiation oncology, proton therapy and cancer research.

Dr. Mehta received his MD with highest honors from the University of Zambia School of Medicine. He completed a residency at the University of Wisconsin, where he was later appointed chairman of the medical school’s Department of Human Oncology and led research studies, technology development and expansion at the University of Wisconsin Cancer Center. He also headed its brain tumor program for more than 15 years, leading to his national leadership role in clinical trial research.

He has designed and led numerous national and international clinical studies, receiving NIH and NCI grants and winning honors for his research in brain and central nervous system tumors. He helped launch and was medical director of the Maryland Proton Treatment Center in Baltimore, prior to joining Baptist Health.

Dr. Mehta is Board-certified in radiation oncology by the American Board of Radiology and in neuro-oncology by the United Council for Neurologic Subspecialties. He did his residency in radiation oncology at the University of Wisconsin Hospital and Clinics and is board certified in Radiation Oncology by the American Board of Radiology.

Anthony Zietman, MD

Dr. Anthony Zietman is the Interim Chief, Radiation Oncology and the Director of GU Service at Massachusetts General Hospital. He has authored over 200 original articles and reviews on many aspects of GU cancer.

His particular research interests are in the specific roles of:

• Active surveillance
• Brachytherapy
• Hormone therapy
• Proton beam therapy in the treatment of prostate cancer
• The organ-sparing management of bladder cancer

He is currently the Jenot and William Shipley Professor of Radiation Oncology at Harvard Medical School and is a former President of the American Society for Radiation Oncology (ASTRO) and trustee of the American Board of Radiology. He has just stepped down as Editor-in-Chief of the International Journal of Radiation Oncology Biology Physics.

Dr. Zietman received his undergraduate training at Oxford University in the UK and then went to medical school at the Middlesex Hospital, London University. After residencies in internal medicine and clinical oncology he moved to the Massachusetts General Hospital in Boston, for a fellowship in radiation biology. His research interests are in the specific roles of active surveillance, brachytherapy, hormone therapy, and proton beam therapy in the treatment of prostate cancer. He also has a long-standing interest in the organ-sparing management of bladder cancer.

Courtney Hentz, MD

Dr. Courtney Hentz is an Assistant Professor and board-certified Radiation Oncologist at Loyola University Medical Center near Chicago, IL. She also serves on faculty at Edward Hines Jr. VA Medical Center. She specializes in breast, lung and brain cancers and sarcomas. She also specializes in techniques including stereotactic radiosurgery and proton beam therapy. Her research interests include the use of hypofractionated surface brachytherapy for the treatment of skin malignancies.

She is very involved in and a founding member of the Society of Women in Radiation Oncology and is passionate about advocating for diversity and inclusion in the field. Dr. Hentz is originally from Cincinnati, OH, where she completed her undergrad and medical school training prior to going to Loyola University Stritch School of Medicine for residency. 

More speaker bios coming soon!