Take Route 146 South to the North Smithfield vicinity.
Continue past the Downtown Woonsocket exit (Route 104).
Ignore any blue hospital signs, as they lead to the Fogarty Unit.
Proceed to the intersection just past the Anchor Suburu dealership (on the right).
Stay to the far left lane and turn left at the intersection.
Follow this road (Route 126) for .6 miles to access Route 99 North.
Turn left onto Route 99 after the underpass.
Proceed to the intersection of Route 99 and Route 122.
Turn left onto Route 122.
Continue on until you have passed through four sets of lights.
At the fifth set of lights (Dunkin' Donuts will be on your right), bear right onto Cass Avenue.
Ocean State Pain is on the right, located in the building next door to the Landmark Medical Center's emergency room. Parking is in the back.