Podiatrist in Niles, Chicago and Des Plaines, IL - Tae Jun Ahn (TJ), DPM - United Foot and Ankle Surgeons br br Meet Podiatrist Dr. Tae Jun (TJ) Ahn of United Foot and Ankle Surgeons as he discusses Foot Health and Foot Problems. br br (989) 773-2500 br br br Dr. T.J. Ahn's a board-certifed Podiatrist who has been practicing in Chicago. He specializes in Podiatric Surgery and Sports Medicine, but his practice includes all pathologies related to the foot or ankle in any age. Dr. Ahns practice principle is to treat every patient with his heart. br Dr. Ahn received two Bachelor's degrees: Computer ScienceBusiness and Biochemistry. Dr. Ahn speaks fluent English, Spanish, Korean, and Japanese. He believes that patients feel comfortable and relaxed during the visit as his patients speak in their mother languages. br br .