He did his undergraduate studies at Andrews University in Michigan, majoring in Biochemistry. He graduated from medical school in 1986 with a Doctor of Medicine (M.D.) degree from Loma Linda University in California, ranking in the top 10 percent of his class. He completed his residency in Internal Medicine at Kettering Medical Center at Wright State University in Ohio in 1989, and in the same year he became certified by the American Board of Internal Medicine. He is owner of the Nedley Clinic in Ardmore, Oklahoma, an internal medicine practice, and is also President of Ardmore Gastroenterology Management. He recently co-authored two peer reviewed studies: one detailing a groundbreaking approach to depression identification and the other regarding decreased usage of benzodiazepines through lifestyle based depression recovery.