Our Physicians

CyberKnife treatments are an example of the efficacy of medical collaboration.   The Denver 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.

 

Denver Radiation Oncologist:

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 12^th 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

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.”

 

Head and Neck Surgeons

Daniel Zietler, MD

Dr. Zeitler attended Northwestern University where he graduated Magna Cum Laude and as a member of Phi Beta Kappa with a major in Psychology and a minor in History. In 2004 he received his Doctorate of Medicine with Distinction from New York University School of Medicine, where he graduated Alpha Omega Alpha and first in his medical school class. Dr. Zeitler remained at New York University for his general surgery internship, and subsequently a residency in Otolarynoglogy/Head and Neck Surgery. During his time as a resident, he pursued several research interests, including those in the field of Otology and Neurotology. His efforts resulted in multiple peer-reviewed publications on cochlear implantation outcome studies, as well as radiographic and histologic studies investigating cochlear implant insertional trauma and implant electrode design. He has presented these results and others at both national and international meetings.

Dr. Zeitler joined the University of Miami Ear Institute in the Department of Otolaryngology in 2009 as a two-year accredited fellow in Otology/Neurotology. He continues to pursue clinical as well as translational research endeavors. His primary clinical interests include cochlear implantation, chronic ear disease, and lateral skull base diseases including benign and malignant pathologies. Upon graduating from the University of Miami, Dr. Zeitler joined the Denver Ear Associates in Englewood, Colorado.

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