Golden Gate Urgent Care is an urgent care center in Mill Valley and is open today from 8:00AM to 8:00PM.They are located at 750 Redwood Hwy, Suite 1204 and open 7 days per week.. Patients have given an average rating of 4 stars out of 5 for their experience at Golden Gate Urgent Care.. Nationally, we are seeing urgent care patients wait an average of 15-30 minutes before being seen by a ....