News & Events

News Welcome Back Thomas Warr, MD

Dr Warr Banner

The Great Falls Clinic is pleased to welcome Thomas Alan Warr, MD, FACP (A Fellow in the American College of Physicians), to the Great Falls community and to our Clinic Cancer Care team. Dr. Warr will join medical oncologist Dr. Karl Guter and radiation oncologist Dr. Jack Sandford. Dr. Warr offers the full complement of hematology and oncology services, specializing  primarily in blood disorders and cancer. 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 very active in clinical research. More recently, he has been in practice in California, but is pleased to return to Big Sky Country. Dena, his wife of 37 years will be joining him as well. Dr. Warr looks forward to the advancement of cancer treatment in north central Montana through collaboration and clinical research.

Dr. Warr is accepting new patients and physician referrals at the Great Falls Clinic Specialty Center, 3000 15th Avenue South. For more information or to schedule an appointment, please call 406.771.3060 or visit here.

Meet Our Providers

Eve Gerasimou, MD

Family Practice

Internal Medicine

Benjamin Keggi, DO

Family Practice

Antonio Santin, MD, FACS


Plastic Surgery

    Have a question for us?

    If you want to contact us about a medical concern or a prescription refill, the best way to do this is by phone 1-800-421-1649.