Choose an area of practice Cardiology Cardiovascular Dental Dermatology Ear, Nose & Throat Endocrinology Endodontics Family Practice Gastroenterology General Surgery Hematology Infectious Disease Internal Medicine Medical Oncology Neonatology Nephrology Neurology Neurosurgery Obstetrics & Gynecology Ophthalmology Oral & Maxillofacial Surgery Orthodontics Orthopedics Pain Management Pathology Pediatric Allergy Pediatric Dentistry Pediatrics Physical Medicine/Rehabilitation Plastic & Reconstructive Surgery Podiatry Psychiatry Pulmonary Medicine Radiation Oncology / Radiation Therapy Rheumatology Sports Medicine Thoracic Urology Vascular Surgery Pediatric Dentistry Kevin C. Beyersdorfer, DDS 4945 Stone Falls Center, Suite B O'Fallon, IL 62269 (618) 622-0212 Deryl W. Drum, DDS 7 Executive Woods Ct Suite E Swansea, IL 62226 (618) 235-1152 Kenneth S. Kollmann, DMD 90 Crestmoor Spring Meadow Prof Park Collinsville, IL 62234 (618) 346-8000 John R. Markarian, DMD 3540 N Belt West Belleville, IL 62223 (618) 233-8667 Francisco Rodriguez, DDS 3540 N. Belt West Belleville, IL 62226-5975 (618) 233-8667