Ralph Parker, M.D.

John Tenny MD is a Board Certified Orthopedic Surgeon specializing in shoulder, hip and knee surgery.

Dr. Kretzschmar's practice is personalized to fit your unique needs and busy schedule. From crafting a personalized healthcare plan with you to accommodating last-minute appointments, your well being is our priority. As a SignatureMD physician, our patients can expect same-day or next-business-day appointments, unhurried appointments that start on time, and 24/7 physician availability by telephone or email.