Samuel "Sam" Keltner, MD, is a board-certified radiation oncologist. He uses radiation therapy to both treat cancer and help with cancer-related symptoms throughout the body. Dr. Keltner is also focused on more targeted radiation therapies that allow for more effective treatment while minimizing side effects.

He earned his Bachelor of Science in chemical engineering and his Doctor of Medicine degree from the University of Cincinnati. Dr. Keltner served his radiation oncology residency at the University of Cincinnati Medical Center.

Dr. Keltner started his career in engineering but realized he was looking for purpose, connection, and the opportunity to make a direct impact. He found deep meaning in helping patients going through cancer treatment; not only by treating cancer, but also by fostering open, honest communication with patients and their families. Dr. Keltner believes in empowering patients with the knowledge and support they need to make informed decisions throughout their medical journey.

Dr. Keltner enjoys spending time with his friends and family through exploring the city and recreational sports like kickball and volleyball. He also loves preparing good meals, watching movies, and exercising.