Our dedicated team includes: Dr. Mustafa Aman, MD Fellowship-trained in minimally invasive bariatric surgery. Dr. Aman sees patients in at the Weight Loss Center in Sayre, Pa., and at the Guthrie Big Flats Clinic. Dr. Verlyn Warrington, MD One of the nation’s few medical bariatricians board-certified by the American Board of Obesity Medicine. Kathryn Earls, MS, PA-C Sees bariatric patients at the Weight Loss Center and at the Guthrie Southport Clinic. Dorothy Lisle, MHS, PA-C Sees bariatric medicine patients at the Weight Loss Center and at the Guthrie Southport Clinic. Albert Lichtenstein, PhD Our licensed psychologist provides emotional and behavioral support.