Whittington John C Do 1550 Sheridan Dr Lancaster, OH 43130 Phone : (740) 654-0232 Business Category Physicians & Surgeons-Osteopathic Physicians & Surgeons-M.D. Physicians & Surgeons-Family Practice Physicians & Surgeons-Internal Medicine Practice Areas           Family Medicine/Family Practice Colonnade Medical Group 203 N Main St Baltimore, OH 43105 Phone : (740) 654-0232 Business Category Physicians & Surgeons-Osteopathic Physicians & Surgeons-M.D. Physicians & Surgeons-Family Practice Colonade Medical Group 1550 Sheridan Dr Lancaster, OH 43130 Phone : (740) 654-0232 Business Category Physicians & Surgeons-Osteopathic Physicians & Surgeons-M.D. Physicians & Surgeons-Family Practice Physicians & Surgeons-Internal Medicine Practice Areas           Pulmonary/Respiratory Diseases Services           Workers Comp. Insurance