SCCA Proton Therapy Center

SCCA Proton Therapy Center

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The SCCA Proton Therapy Center is located on the campus of UW Medicine's Northwest Hospital & Medical Center in North Seattle. It provides an advanced, precise form of radiation treatment for adult and pediatric cancer patients. For more information, please visit

1570 N. 115th Street
Seattle, WA 98133
(206) 306-2800

Directions to The SCCA Proton Therapy Center

The Northwest Hospital & Medical Center campus is located between Aurora Avenue North and I-5 on North 115th Street, near Northgate Mall.

From I-5

  • Take exit 173. Turn west onto Northgate Way.
  • Turn right (north) onto Meridian Ave. N.
  • Turn left (west) onto N. 115th St.
  • The main entrance is on your right; enter there. The SCCA Proton Therapy Center is the first building on your left.


Parking on the north and west sides of the building is labeled “Proton Parking.”

Public Transit

Metro Route 345 provides direct bus service to the Northwest Hospital campus. For details see Metro’s trip planner.