Karen M. Hart, M.D.

Dr. Karen Hart is joining Harley Street Medical from The Valley Medical Group/Prospect Medical Offices where she has practiced internal medicine for over 20 years, including time serving as the Medical Director of one of the practice sites. She has been named a Top Doctor by Castle Connolly for many years, a Top Internist in Bergen County by Bergen County Magazine yearly since 2017 and has been recognized as a Top Doctor in New Jersey by New Jersey Monthly Magazine in 2025.

Dr. Hart completed her residency at New York Hospital, which included training at Memorial Sloan Kettering Cancer Center and The Hospital for Special Surgery. Prior to residency, she received her M.D. from Washington University in St. Louis where she graduated in the Medical Honor Society, AOA, and attended on a 4 year full tuition merit scholarship. She completed post baccalaureate premedical training at Columbia University after graduating with a B.S.E in electrical engineering from Princeton University.