Ben Marchello, M.D.

Dr. Benjamin Marchello is the senior partner at HOCNR, and has been practicing medicine in Billings for over 20 years. He is a Billings native and attended Billings Senior High School. Dr. Marchello attended Dartmouth College and the University of Utah Medical School. He completed his medical residency in Tucson, Arizona and his Fellowship in Clinical Oncology at the University of Nevada. Dr. Marchello is board certified in Medical Oncology and he enjoys caring for patients with all types of cancer. His special area of interest is in clinical research protocols through our Montana Cancer Consortium.

Dr. Marchello practices in our Billings center, and also has monthly clinics in our Cody center. He enjoys attending professional educational meetings and reading specialty journals to keep current on the latest treatments and research.

Dr. Marchello has 2 daughters and 1 son. He and his wife Mary Lou enjoy cross-country skiing, traveling and playing in the Billings Community Band. Dr. Marchello is also an avid gardener and grows some of the best vegetables you have ever tasted!