Choose an area of practice Allergy/Immunology 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 Endodontics Alan T. Azar, DMD 1480 N Green Mount Rd. #100 O'Fallon, IL 62269 (618) 235-3336 Ronald C. Markarian, DMD 16 Park Place Swansea, IL 62226-2969 (618) 234-5533