Tracey Weigel M.D. Chief of Thoracic Surgery Westchester Medical Center 100 Woods Road Valhalla, NY 10595 (914) 493-8115 www.westchestermedicalcenter.com Thoracic surgeon Dr. Tracey Weigel has been a firm believer in the multidisciplinary approach to treating malignant pleural mesothelioma for many years. Get Financial Assistance for Treatments