Dr. Marcia Liza Lewis

Dr. Marcia Lewis is an internal medicine physician with specialized training in geriatric medicine who has been caring for patients for 27 years. She earned her medical degree from the University of Arkansas for Medical Sciences College of Medicine, providing her with a strong foundation in comprehensive adult healthcare. Her dual expertise allows her to address both general internal medicine needs and the complex health concerns that often arise as patients age. Dr. Lewis speaks English with her patients.

Dr. Lewis practices at multiple Saint Lukes Health System locations throughout Pennsylvania, including hospitals in Easton, Bethlehem, and Center Valley, as well as facilities in Lowell, Massachusetts. She treats patients with high blood pressure and related cardiovascular conditions, including hypertensive emergencies that require immediate attention. Her practice also includes performing diagnostic tests such as ankle-brachial index testing to assess circulation and various …breathing tests to evaluate lung function, including asthma evaluations and bronchodilator response testing.