The Henderson Center was founded in 1985 as The Henderson Center Chiropractic Clinic in King of Prussia, Montgomery County, Pennsylvania, but was strictly a chiropractic clinic until 1993, when Dr. M Jonathan Garzillo, a chiropractor, joined the Center. Since then, the Center has expanded beyond just chiropractic to become a multi-specialty pain management practice, incorporating massage therapies, shiatsu therapy and chiropractic care. Dr. Garzillo also brought a simple philosophy to the Henderson Center. Instead of trying to prolong care, the Center works to relieve patients of their pain in the shortest time possible. In a study of the Cen...