Welcome to MyWhidbeyHealth Clinics Patient Portal. WhidbeyHealth has two Walk-In Clinics to serve you: WhidbeyHealth Walk-In Clinic and Ancillary Services Oak Harbor. 1300 NE Goldie Street Oak Harbor 360-679-5590 and. WhidbeyHealth Walk-In Clinic and Ancillary Services Clinton. 11245 State Route 525 Clinton 360-341-5252.