Rungtiwa Weerasethsiri , MD., FAAP. Pediatrician 700 W Olive Ave STE D, Merced, CA 95348 Visit Website 5/5 (12 reviews) Hours of OperationMonday08:30 - 17:00Tuesday08:30 - 17:00Wednesday08:30 - 12:00Thursday08:30 - 17:00Friday08:30 - 17:00SaturdayClosedSundayClosed View Details