Our Physicians
CyberKnife treatments are an example of the efficacy of medical collaboration. The radiation oncologist is the primary physician involved with the treatment. However, for the majority of the cases treated, a collaborating specialist will assist in the development of the treatment plan for his/her patient’s case. Below are some of the specialists who we most often work with.
Radiation Oncologists
Gregg A. Dickerson, MD, FACR
Medical Director and Specialist in CyberKnife Radiosurgery
Dr. Gregg Dickerson graduated from the Indiana School of Medicine in 1984 and completed his residency in radiation oncology at the Thomas Jefferson University Hospital in Philadelphia, serving the final year as Chief Resident and Fellow of the American Cancer Society. For the next 14 years, Dr. Dickerson practiced radiation oncology in Indiana, performing as the Director of Radiation Oncology at Ball Memorial Hospital and President of East Central Indiana Radiation Oncology, from 1990-2002. Gregg served as a flight surgeon in the Air National Guard for almost 10 years and also served as the President of the Indiana and Mississippi Radiological Societies and as a member of the Economics Committee of the American College of Radiology. Dr. Dickerson has more than five years of CyberKnife experience, having started the 12th CyberKnife center in the country (Jackson, MS) in 2004 and, most recently, serving as a Clinical Assistant Professor of Radiation Oncology at St. Louis University School of Medicine.
Neurosurgeons
Chad E. Hartley, MD
Dr. Hartley earned his medical doctorate from the University of Colorado Health Sciences School of Medicine, then completed a seven-year residency at the State University of New York at Syracuse. At SUNY, his research experience included medication and treatment impacts in neurotrauma, brain and spine disorders. He is a member of the Intermountain Neurosurgery Group.
Lloyd W. Mobley III, MD
Dr. Mobley completed his neurosurgical training at the University of Nebraska Medical Center in Omaha, Nebraska, in June of 2004. His main areas of interest include minimally invasive spinal procedures, complex spinal procedures, artificial disk placement, compression fractures, brain tumors, peripheral nerve entrapment syndromes including carpal tunnel syndrome, spine and brain trauma, and hydrocephalus. He is a member of Peak Orthopedics and Spine.
J. Paul Elliott, MD
Dr. Elliott is a member of the Colorado Brain and Spine Institute.
Pulmonologists
Robert Benkert, MD
Dr. Benkert is board certified by the American Board of Internal Medicine and Pulmonary Medicine. He earned his medical doctorate from the University of Cincinnati College of Medicine in 1980 and has been practicing as a Pulmonologist in Colorado since 1994. His practice consists of all aspects of Pulmonary Disease. Dr. Benkert is very dedicated to his patients and finding the right treatment for them. “I have a passion to help people with lung tumors, even inoperable patients. Denver CyberKnife helps me pursue that passion.”
