Phone: 970.384.7570

Patient Portal


Our medical and radiation oncologists utilize a collaborative care approach, working closely with other caregivers in the Center as well as primary care, surgeons and other medical specialists to support high-quality, compassionate care for each patient.


Armando Armas, MD
As the lead board certified medical oncologist, I have the privilege of offering over twenty years of experience caring for patients. My experience stems from training at the Mayo Clinic and Memorial Sloan-Kettering Cancer Center and I am motivated to helping patients continue their longevity with the best quality of life.




Peter Rossi, MD
As a board certified radiation oncologist, I work with the doctors on the cancer care team to create a personalized treatment plan for each patient. I have more than fifteen years of clinical experience and participate in multi-disciplinary care daily and utilize multi-institutional academic research to provide my patients with the very best possible care.




Doug Rovira, MD
For over twenty years, I have served patients in our valley as a board certified medical oncologist. I specialize in the diagnosis, therapy and care of breast cancer patients as well as patients with cancer of the blood and lymphatic systems..




David Marcus, MD
As a board certified radiation oncologist, I am privileged to be a part of the oncology care team at the Calaway Young Cancer Center. I came to the Roaring Fork Valley in 2014 from Emory University in Atlanta, Georgia, where I attended medical school and subsequently completed Radiation Oncology residency training. I am committed to providing my patients with high quality radiation therapy in a compassionate and caring setting.



Matthew L Stinson, PA-C For over 15 years,I have been part of the Valley View team serving the Roaring Fork communities and beyond. I am excited about the exceptional services we provide at the cancer center,and I consider it a real privilege to participate in our patients’ journey through cancer diagnosis,treatment, and surveillance. I lead the survivorship program to assist patients in their transition from active cancer treatment back to enjoying their lives.



Kimberly Burns, NP
As an Oncology Nurse Practitioner with over 10 years’ experience, I am privileged to care for patients and their families during this challenging time. I collaborate with the Oncologists to provide comprehensive cancer care. My focus is on symptom management for patients receiving chemotherapy and providing follow up care. I also see patients in our survivorship program.





calaway young cancer center

Valley View Hospital | 1906 Blake Avenue | Glenwood Springs, CO 81601 | 970.384.7570