Zulma Cintron MD, FACP facebook. 407-365-9999 Fax: 407-365-4578 7560 Red Bug Lake Rd. Suite 2080 Oviedo, FL 32765. ... Patient Center. Patient Portal; Make an Appointment; Online Patient Survey; Patient Testimonials; Leave a Testimonial; ... Walk-in patients are welcome at the practice of Zulma Cintron, M.D... read more. Prevent Infection!.