Dr. Stephen "Eric" Rubenstein is the Medical Director of Cancer Services for the MedStar Georgetown Cancer Institute at MedStar Southern Maryland Hospital Center - bringing unmatched expertise, the latest therapies, and research to the Southern Maryland region - all under the same roof. Board certified in hematology, oncology, and internal medicine, Dr. Rubenstein is well-versed in current research trends, and can treat a variety of different cancers and blood disorders.