Alan Silverberg, MD

Dr. Grace Montenegro is a colon and rectal surgeon and general surgeon. She provides specialty care for diseases of the colon, rectum and anus, including colon and rectal cancer, benign anorectal disease, inflammatory bowel disease, pelvic floor dysfunction and complex diverticular disease. Dr. Montenegro uses minimally invasive techniques, including laparoscopic, robotic and transanal minimally invasive surgery. Her special interests include rectal and colon cancer, robotic surgery and inflammatory bowel disease. Dr. Montenegro is an assistant professor in the Department of Surgery, Division of General Surgery, at Saint Louis University School of Medicine.

Dr Kelsey Manescalco is an optometrist who offers eye and vision exams and treatment of various eye conditions. She specializes in eye care for pediatric patients, treating moderate to severe amblyopia (poor sight) using occlusion therapy (covering one eye to strengthen the other) and/or pharmacologic therapy (eye drops, prescription glasses). Dr Manescalco is a staff optometrist in the Department of Ophthalmology at Saint Louis University School of Medicine. Outside of work, she enjoys playing and coaching volleyball.

Dr. Muhammad Zaheer is a rheumatologist who treats patients with rheumatoid arthritis, psoriatic arthritis and systemic sclerosis. He uses the latest treatments in his practice, including arthrocentesis (joint aspiration) and intra-articular steroid injections (joint injections).Dr. Zaheer's primary research interest is rheumatoid arthritis.He is an assistant professor in the Department of Internal Medicine, Division of Rheumatology, at Saint Louis University School of Medicine.Dr. Zaheer is a member of the American College of Rheumatology and American College of Physicians.