Dr. Keller founded San Diego Arthritis Medical Clinic in 1975. He expanded the practice to El Centro in 2000, when the community lost its only rheumatologist. He is Board certified in Internal Medicine, a Fellow of the American College of Rheumatology, and a member of the American College of Physicians. Dr. Keller has appeared many times as guest lecturer to medical staffs and to the public. He has served as principal investigator in over 100 clinical trials. Dr. Keller is a longtime supporter.. - and past honoree - of the Arthritis Foundation. His involvement with the Arthritis Foundation spans nearly 40 years, as a physician and a member of the board of directors. Half a million people in San Diego are touched directly by arthritis, which is one reason Dr. Keller has made it his life's work to care for people who suffer from arthritis, osteoporosis, and other chronic pain conditions. Dr. Keller is a proud husband, father and grandfather.
When he's not treating patients, you might find him riding horses or playing his accordion.
Dr. Keller is a recommended physician in the Sharp Hospital network, El Centro Regional Medicine network, and the Yuma Regional Medical Center network.