I love Dr. Holson at Interlachen Pediatrics. There are 11 physicians in the practice so it's easy to find one that suites you. They have 2 offices, one in Oviedo at the intersection of Broadway and Winter Springs Blvd. and one in Maitland on Lake Howell Rd just off 436 past the Red Bug Lake Rd. intersection. Here's a link to their website: http://www.intpeds.com/home1.htm.
Some of the things I love about them include daily walk-in hour from 8am-9am for sudden illnesses (my son had strep twice this past year); they have Saturday sick emergency visits by appt which was invaluable when my son had an allergic reaction to penicillin; you can schedule appts. online which is great when the only quiet time in my house is after kids are in bed; and on-line request for medical forms needed for preschool & school - they mail them to you fairly quickly.