Garth Turner, MD - Summit Health 150 Park Avenue Neurology

Frederick K. Shieh, MD, specializes in gastroenterology with a special interest in advanced therapeutic endoscopy, disorders of the gastrointestinal tract, liver, pancreas and bile duct, biliary diseases, cancer screening and management, esophageal disease and gastrointestinal bleeding. He also has experience with advanced gastrointestinal techniques such as endoscopic ultrasound with fine needle aspiration and ERCP. Prior to joining Summit Health, he practiced in Scarsdale, NY.Dr. Shieh has published articles and abstracts in prestigious, peer-reviewed scientific journals, including The American Journal of Gastroenterology, Gastrointestinal Endoscopy, Journal of Clinical Gastroenterology, Clinical Gastroenterology and Hepatology, and Pancreas. Dr. Shieh is a member of the American Society for Gastrointestinal Endoscopy, the American Gastroenterological Association and the American College of Gastroenterology."I believe in having a reciprocal relationship with my patients," says Dr. Shieh. "My goal is to partner with them in their care plan decisions, and to provide compassionate and effective care."

Amy Hamill, RN, BSN, CCRC is a member of Summit Health's Clinical Research team.

Calvin Natanzon, MD, specializes in neurology, with expertise in the evaluation and treatment of epilepsy and neuromuscular disorders. He has a special interest in epilepsy research and high power nuclear magnetic resonance imaging of the brain. He also has extensive experience in the neuromuscular application of Botox for various neurological disorders ranging from hemifacial spasms and migraines to upper motor neuron disorders. Prior to joining Summit Health, Dr. Natanzon practiced in Westchester, NY.