About Dr. Tonja Austin M.D.: DR. Tonja Austin M.D. is located at 20325 S Graceland Ln Ste a in Frankfort, IL - Will County and is a business listed in the categories Physicians & Surgeons Family Practice, Physicians & Surgeons Family & General Practice, Physicians & Surgeons Osteopathic Family & General Practice and Physicians & Surgeon Md & Do Family & General Practice..