Cancer Treatment Center - Doctors

These are the dedicated physicians who will be partnering with you in your cancer treatment: 

Robert Pfeffer, M.D.

Dr. Robert Pfeffer, M.D., is originally from Conrad, MT. He received his undergraduate degree in Biology from Carroll College in Helena and his Medical Degree from the University of Washington. He went on to do his fellowship in Radiation Oncology at Oregon Health Sciences University in Portland, OR where he served as Chief Resident.

Tom Weiner, M.D.

Dr. Thomas Weiner, M.D., has been with St. Peter’s Hospital since 1996. He received his Bachelor's Degree in Biology from Juniata College in Huntingdon, PA and his Doctor of Medicine Degree from Hahnemann University College of Medicine in Philadelphia, PA. Dr. Weiner completed his residency in Internal Medicine at Robert Packer Hospital in Sayre, PA where he was Chief Medical Resident. He went on to complete his Fellowship in Medical Oncology at the Medical Center Hospital of Vermont. Dr. Weiner strives to provide an excellent standard of oncology care in a warm friendly environment.