Dr. Thomas C. Weiner

Dr. Warr offers the full complement of hematology and oncology services, specializing primarily in blood disorders and cancer. He has a special interest and actively participates in clinical research and clinical trials. He has maintained active board certification in Internal Medicine, Medical Oncology, Hematology and Hospice and Palliative Medicine. Dr. Warr received his medical degree from Vanderbilt University in Nashville, Tennessee. He completed his residency and chief residency in Internal Medicine and then his fellowship in the hematology and oncology division and the department of medicine at the University of California in San Diego, CA. He has contributed to several publications and abstracts. Dr. Warr practiced hematology and oncology in Great Falls for 21 years, during which time he was also medical director of Peace Hospice of Montana, of the American Red Cross, and of Benefis Cancer Conference. Dr. Warr is rated as a Distinguished provider by MediFind in the treatment of Non-Hodgkin Lymphoma. His top areas of expertise are Non-Hodgkin Lymphoma, Pleuropulmonary Blastoma, Lung Cancer, Small Cell Lung Cancer (SCLC), and Bone Marrow Aspiration.

Karine Darbinyan is a Hematologist Oncology specialist and a Hematologist in Helena, Montana. Dr. Darbinyan is rated as an Advanced provider by MediFind in the treatment of Non-Hodgkin Lymphoma. Her top areas of expertise are B-Cell Lymphoma, Chronic Lymphocytic Leukemia (CLL), Colorectal Cancer, and Non-Hodgkin Lymphoma. Dr. Darbinyan is currently accepting new patients.

Dr. Guter specializes in medical oncology, adult blood disorders, solid tumors and all forms of cancer. He has been practicing with the Great Falls Clinic since 1977. Dr. Guter has also been providing outreach oncology for the Fort Harrison VA Hospital since 1981. He actively participates in clinical research studies to help further advance medicine. Dr. Guter received his medical degree at Saint Louis University Medical School in 1968. During his years of service 1968 to 1971, Dr. Guter achieved the rank of Captain as a Medical Officer for the United States Army Reserve. He completed his Fellowship in Medical Oncology at the University of Wisconsin in 1977 and soon after moved to Great Falls to begin his practice. Dr. Guter is married to Dr. Colleen Marron, a pediatrician at the Great Falls Clinic, who he shares two wonderful children with. Dr. Guter is rated as an Advanced provider by MediFind in the treatment of Non-Hodgkin Lymphoma. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Paget Disease of the Breast, and Pleuropulmonary Blastoma.