Dr. Vijaya Mummadi. Internist in Mckinney. Opening at 8:30 AM tomorrow. Make Appointment. Call (214) 556-0847 Get directions WhatsApp (214) 556-0847 Message (214) 556-0847 Contact Us Get Quote Find Table Place Order View Menu. ... 8951 Collin Mckinney Pkwy McKinney, TX 75070.