Internal Medicine located in Upper Darby, PA & Havertown, PA
Dr. Hannum graduated from medical school from Cornell University Medical College and completed his residency in Internal Medicine at Penn Presbyterian Hospital. He is board certified in addiction medicine and has centered his practice around the treatment of obesity and weight management. A past president of both the Delaware County Medical Society and the Delaware County Medical Society Foundation, he strives to treat patients respectfully and honestly and to involve them in their medical decision-making process. He is fluent in Korean.