Region Cedar Knolls Learn More About Dr. Lombardi Paul M. Lombardi, M.D. Hip, Joint Replacement, and Knee Tri-County Orthopedics - Cedar KnollsThe Advanced Medical Center 197 Ridgedale Ave. Suite 300 Cedar Knolls, NJ 07927 United States Tri-County Orthopedics - Jefferson757 Route 15 S Lake Hopatcong, NJ 07849 United States