Dr. Sina Matin, MD

Dr. Clinton Bell is a board-certified orthopedic surgeon and joined AOA Orthopedic Specialists in 2019. He earned his medical degree and graduated with honors from the University of Texas Medical Branch in Galveston. He then completed a five-year Orthopedic Residency at the same institution and a year Fellowship in Sports Medicine and Arthroscopy at Baylor University Medical Center in Dallas. He is recognized by his physician peers by consistently being selected as one of D Magazine’s Best Doctors in Dallas. With his pleasant persona, Dr. Bell is beloved by his patients and is actively involved in the community, providing team support and orthopedic care to several schools in the local area.

Craig Olson, MD, FACS, is an experienced board-certified and fellowship-trained colorectal surgeon who specializes in rectal and colon cancer and pelvic floor disorders. He performs advanced minimally invasive robotic and laparoscopic surgeries and uses enhanced recovery pathways to optimize outcomes. He has a particular interest in treating the full spectrum of colon, rectal and anal disorders such as rectal and colon cancer, diverticulitis, constipation, pelvic floor disorders and inflammatory bowel disease. He also has experience with complex abdominal wall reconstruction and anorectal conditions such as hemorrhoids and anal fistula.

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.