Michael, Chen M.D.Attending PhysicianInternal Medicine Education: SUNY Downstate College of MedicineMain Office:773 341-2469 Oak St. Health 2335 S Wentworth Ave #B Chicago, IL 60616 Certifications: Board Certified in Internal Medicine ½ΣΚά±£ΟΥ: Aetna Anthem Blue Cross Blue Shield Cigna CountyCare Humana MeridianComplete UnitedHealthCare WellCare Zing Health