Darby & Johnson PA have been providing periodontic and dental implant procedures in the Marion County area since 1982.John F. Darby Jr. DDS and Timothy M. Johnson DMD welcome you to their practice.We specialize in periodontic and dental implant procedures and use only the most modern technology.We have two convenient locations: Ocala and Crystal River, FL.The Crystal River Office is located at W. Corporate Oaks Dr.The Ocala Office is located at SE 17th St., Bldg.Call us today for a convenient appointment