UW Medical Center Montlake Campus Cashier Main Hospital, 1959 N.E. Pacific St., EE-306, Seattle, WA 98195 In-person Hours: M-F 8AM to 4PM Phone: 206.598.4550 Phone Hours: M-F 8AM to 4PM UW Medical Center Northwest Campus Main Admitting Main Hospital, 1550 N 115th St, First Floor, Seattle, WA 98133 In-person Hours: M-F 8AM to 4:30PM.