MyGeisinger Patient Portal Sign in to MyGeisinger Create a MyGeisinger account . Text Size: A A A ... lab results, message your doctor, schedule appointments and more! Sign up now. Geisinger Pediatrics Lewisburg. Geisinger Pediatrics Lewisburg 55 Medical Park Drive Lewisburg, PA 17837 Phone: 570-523-3264 . Office Hours: Monday - Friday: 8 a.m ....