Dr. John Joseph Hennessey, MD

Dr. John Hennessey is an internal medicine physician who has dedicated three decades to providing comprehensive adult healthcare. He earned his medical degree from Tufts University School of Medicine and brings extensive experience in managing complex medical conditions. Dr. Hennessey speaks English and has built his practice around helping patients navigate both routine health maintenance and serious medical concerns.

Dr. Hennessey practices at Gales Ferry Medical Group in Gales Ferry, Connecticut, and maintains hospital privileges at Lawrence And Memorial Hospital. He specializes in treating high blood pressure and hypertensive emergencies, conditions that require careful monitoring and expert management. His approach includes both traditional medical interventions and supportive therapies like strength training to help patients achieve optimal health outcomes. Patients have given him an average rating of 4.2 out of 5 stars, reflecting their confidence in his clinical expertise and …compassionate care.