Huiyi, Chen MD, Ph.D.Attending PhysicianOphthalmology Education: Guangdong, Sun Yat-Sen Medical UniversityMain Office:314-251-5300 Mercy Health Missouri 621 S. New Ballas Rd #1001B Saint Louis, MO 63141 Clinic Intersts:glaucoma.Certification: Board Certified in Ophthalmology Ph.D.: Sun Yat-sen University, Guangzhou Hospital Affiliations: Mercy Hospital St. Louis