Vivienne S. Yoon, MDEndo, Diabetes & MetabolismMcKinney, TX ABOUT ME OFFICE INFO5220 W University Dr Ste 250 McKinney, TX 75071Phone: (469) 800-5400 REQUEST AN APPOINTMENT First Name Last Name Cell Email Payment Method Select Payment Insurance (PPO) Insurance (HMO) BCBS Advantage HMO Insurance (EPO) TRICARE (Military) Medicare Medicaid Cash Uninsured Patients Insurance Provider Name Preferred Appointment Date/Time SEND