Dr. Mulhern received her undergraduate degree from Princeton University. She then went on to study animal behavior and ecology at the University of California at Berkeley where she completed a Masters degree. She returned to the east coast to the University of Connecticut School of Medicine where she received her MD degree. She completed her Internal Medicine residency training at the University of North Carolina Hospitals, Chapel Hill, in 1998, and has been working as a general internist in Manhattan since completion of her training.