Raised on Long Island, David Gardner attended Ohio State University and then obtained his Doctorate in Dental Surgery (DDS) from SUNY at Buffalo. He returned to Long Island and completed a two-year residency at North Shore University Hospital in 2000. As an Attending, Dr. Gardner received awards for being Outstanding Attending in Prosthodontics in 2003 and 2004.
He opened North Shore Restorative & Dental Implant Dentistry in 2002, serving residents of Long Island, NY.
In 2011 Dr. Gardner co-founded the New York Institute for Advanced Dental Studies.