Dr. Andrew Michael Keenan, MD

Dr. Andrew Keenan is an internal medicine physician with specialized expertise in nuclear medicine who has been practicing for five decades. He completed his medical education at George Washington University School of Medicine & Health Sciences and went on to complete his residency at Washington Hospital. His extensive experience spans both primary care internal medicine and the specialized field of nuclear medicine, which uses radioactive materials to diagnose and treat various medical conditions.

Dr. Keenan practices at locations in Washington, DC and Largo, MD, bringing his expertise to patients across the region. He specializes in diagnosing breathing difficulties and shortness of breath, particularly when symptoms occur during physical activity. His practice focuses on advanced cardiac imaging techniques, including heart perfusion scans that evaluate blood flow to the heart muscle and specialized imaging studies that provide detailed pictures of internal organs. He also performs …stress tests to assess how well the heart functions during physical exertion. Patients have given Dr. Keenan an average rating of 4.5.