Dr. Lisa J. Lehnert joined Garden City Internal Medicine in 2003. Board certified in Internal Medicine, Dr. Lehnert is a 1998 graduate of the Philadelphia College of Osteopathic Medicine. She completed her residency at Winthrop University Hospital in 2002 and was Chief Resident for the 2002-2003 academic year.

A 1990 graduate of Garden City High School, she resides in the area with her husband John and their two daughters.