CONTACT: 970.384.7570

The Calaway • Young Cancer Center Medical Team

Armando ArmasDr. Armando Armas
Director of Medical Oncology

Dr. Armando Armas is a board certified medical oncologist and leads the medical oncology program. With training at the Mayo Clinic and Memorial Sloan-Kettering Cancer Center, Dr. Armas brings over 20 years of experience caring for patients.


Bruce Green

Dr. Bruce Greene
Director of Radiation Oncology

A board certified radiation oncologist, Dr. Bruce Greene, leads the radiation oncology program. Dr. Greene has been recognized by “America’s Best Doctors” since 1996, distinguishing him as one of the top radiation oncologists in the United States. This recognition identifies the top physicians who possess a high level of medical skill and expertise. You will find Dr. Greene professional and personable with a focused dedication to your health, well-being and skilled as well as appropriate medical care.


David MarcusDr. David Marcus

Dr. David Marcus is a board eligible radiation oncologist with training at Emory University. His passion for caring for patients with cancer relates to personal experience as a cancer patient. During David’s second year of medical school at Emory University, he was treated with surgery and radiation therapy for testicular cancer. This experience led him to the field of radiation oncology. Having recently completed residency training at the Winship Cancer Institute of Emory University, David feels extraordinarily privileged to be joining the Calaway Young Cancer Center.  He is an avid skier and outdoorsman, and has long dreamed of settling down with his family in the Roaring Fork Valley. 

Doug Rovira Dr. Doug Rovira

A board certified medical oncologist who has served patients in our valley for 20 years, Dr. Doug Rovira has special interests in breast cancer and cancers of the blood and lymphatic system.

Visiting Physicians

Kathryn Hassell, MD Dr. Kathryn Hassell

Specializing in the field of hematology/oncology, Dr. Hassell is prepared to diagnose and provide treatment for blood-related disorders and all types of cancer, which can range from the common to the very rare and complex. Dr. Hassell is trained to provide care as part of a multidisciplinary treatment team, working in conjunction with other physicians and specialists to ensure the highest possible standard of care.

Paul Bunn, MD Dr. Paul A. Bunn, Jr.

James Dudley, chair in cancer research, professor and director, University of Colorado Cancer Center. In 1984, Dr. Bunn was recruited to the University of Colorado Health Sciences Center as a professor in medical oncology and head of the division of medical oncology. He has been the director at the University of Colorado Comprehensive Cancer Center for 25 years.
Dr. Bunn’s research interests focus on novel therapies for lung cancer. He has published more than 300 articles in peer-reviewed journals, 122 reviews and 90 book chapters on lung cancer. Dr. Bunn’s studies have set standards for the treatment of lung cancer; he is the principal investigator on numerous national and local therapeutic trials.

Search Our Site:
The best, in your back yard
VVH has been named one of the nation's top 100 hospitals by Solucient, in recognition of its dedication to positive patient outcomes, patient safety, operational performance, and improved value for the community. VVH is one of only 20 small hospitals to receive this honor.
Contact Us