Our Staff
An Elite Team, Here to Help
Denver CyberKnife strives daily to improve care and patient outcomes. Our mission is to change the face of radiosurgery treatment. We believe creating an environment that promotes happiness and general positive energy. We have assembled a highly-skilled team, ready to help patients beat their cancer and tumors.
Mark D. Frank
Chief Administrator
Mark Frank graduated from the U.S. Military Academy in 2000 and was commissioned as an officer in the U.S. Army. He served for five years with the 4th Infantry Division and the 7th Infantry Division in Fort Carson, Colorado, including serving for one year in combat operations as a part of Operation Iraqi Freedom. Following his honorable discharge from the Army as a Captain, Mark attended Northwestern University and earned a Master of Business Administration degree from the Kellogg School of Management and a Master of Engineering Management Degree from the McCormick School of Engineering. Most recently, Mark worked as an investment banker for Morgan Stanley, with a focus on mergers and acquisitions for healthcare and industrial companies.
Steve Humphries, MS
Medical Physicist
Steve Humphries received a BA in Physics with Honors from Connecticut College in 1993. Shortly thereafter he moved to Colorado to pursue an MS in Medical Physics at the University of Colorado Health Sciences Center, which he completed in 1996. His career since has focused on stereotactic and image guided treatments and technologies. Following graduate school, he held a faculty medical physicist position in the Department of Radiation Oncology at the U. of CO Health Sciences Center. In that role he served as the lead physicist for the linac radiosurgery treatment program. He has also worked in the medical device industry, specializing in technology related to surgical navigation and computer-assisted treatments both at Stryker and Colorado-based Medical Modeling. Since early 2006 he has worked as a clinical medical physicist at the Rocky Mountain CyberKnife in Boulder, CO.
Angela Panek, RN, BSN
CyberKnife Coordinator
Angela Panek earned her BA in psychology from CU in Boulder 1999. She fell in love with the oncology field when volunteering for a camp for kids with cancer for nine years as director. She completed the accelerated nursing program at Regis University in Denver, receiving her BSN in 2002. After working at Rose Medical for one year on a general nursing floor, she decided to specialize in oncology, working for over two years in an outpatient pediatric oncology office. Angela then began working at Rocky Mountain Cancer Center, an outpatient oncology center for adults with cancer and has taught at two nursing schools in the area for the past two years.
Anthony R. Rabago
Medical Liaison
Tony Rabago earned his BA from the University of Arizona. He is an experienced sales and management professional with several years of experience within the healthcare industry. Most recently, he was a Regional Sales Director for Accuray, managing sales specialists within his region and working with radiation oncologists, neurosurgeons, thoracic surgeons, and other physicians on how to provide the best radiosurgery options to their patients. Prior to his three years with Accuray, Tony worked as a sales specialist for a large dental supply company and for an imaging systems business.
Mark Post, AART
Radiation Therapist
Martin (Mark) Post graduated from the University of Iowa Radiation Therapy Program in August 1997. After working as a standard Radiation Therapist for the next five years, Mark accepted a position with the 8th CyberKnife Center installed in the U.S. in March 2003. Over the following six years, Mark was involved with numerous Alpha and Beta testing protocols and 1st time treatments, utilizing many of the CyberKnife features and upgrades being used worldwide today. He has performed treatment on more than 4,000 fractions of tumors and has vast experience with all of the tracking methods used within the CyberKnife System.
Meghann L. Hayley
Medical Billing and Contract Specialist
Meghann Hayley began her career in the healthcare industry with TriWest Healthcare Alliance, shortly thereafter joining TeamPraxis, a medical billing service in Hawaii. As an Account Manager with TeamPraxis, she managed teams covering seven different specialties’ medical billing and collection services. Her most recent role was as the Billing Manager for the Retina Institute of Hawaii, a large, multi-island practice. Meghann holds a Bachelor of Science degree in Business Administration from DeVry University, with a focus on health service administration.
Kathleen Eccles
Medical Administrative Assistant
Kathy Eccles attended Presbyterian Medical Center School of Radiologic Technology and worked in radiology for many years in private clinics and at the Fort Logan Medical Center. She later decided to start a new career as an Administrative Assistant in the Hotel Hospitality Industry as well as Meetings and Incentives Travel. Following her experience in these fields, Kathy returned to the medical arena as a Patient Services Specialist for a Physical Therapy Company.
Santiago Nevarez
Medical Administrative Assistant
Santiago Nevarez moved to Colorado in 2000 and worked for a number of years in non-medical fields. After never feeling a sense of giving back, he decided to change careers and become a Medical Assistant. He attended Remington College, graduating in 2003. Santiago began working at Rocky Mountain Cancer Center and spent over five years with the organization, building his technical expertise as well as how to provide a caring, comforting environment for the patients.
