Thomas John Hayman, MD,PhD


Radiation Oncology

Conditions & Treatments

Brain Tumors, Colorectal Cancer, Gastrointestinal Cancer, Head & Neck Cancers, Lung Cancer, Prostate Cancer

(203) 785-7385
Accepting New Patients


Dr. Thomas Hayman has joined the Smilow Cancer Hospital Care Center in Guilford as an Assistant Professor of Therapeutic Radiology. He received his medical degree from the University of South Florida Morsani College of Medicine, and his PhD in Molecular Medicine as part of the University of South Florida Morsani College of Medicine/ National Institutes of Health Graduate Partnership Program. He completed his residency in Radiation Oncology at Yale New Haven Hospital. Dr. Hayman cares for patients with prostate, lung, head and neck, and GI cancers, among others. He is trained in

stereotactic radiosurgery using Gamma Knife Icon, as well as IMRT for head and neck, central nervous system, prostate, thoracic, gastrointestinal, hematologic, and gynecologic malignancies, and SBRT using the Novalis system for lung, liver, pancreas, and spinal tumors. During his PhD training and time as a Holman Research Pathway Fellow, Dr. Hayman focused his research on basic and translational radiation oncology with an emphasis on the discovery of determinants of cellular radiosensitivity. In 2019, he received the ASTRO Annual Meeting Travel Award in Biology.





Affiliated With

Smilow Cancer Hospital, Yale Medicine


Education & Training


University of South Florida College of Medicine


Yale New Haven Hospital


Yale New Haven Hospital