The wheel is centered at the brake bridge but cocked to the left at the bottom bracket. That means something whacked the bottom bracket area of the bike from the left or the rear triangle near the axle from the right. Most shops will do "easy" frame alignments like spreading stays or squaring up dropouts, but fixing this requires a degree of skill and torque. Generally, shops don't have that kind of expertise, and the boutique shops don't do enough work on steel to maintain that kind of expertise. To make it worse, it's a Schwinn Voyageur, which hardly justifies stripping the bike to a bare frame and shipping it to Richard Sachs.
If your neighborhood doesn't have an old race-oriented shop who has amechanic who still knows how to align frames, and since it is just a Schwinn Voyageur, my suggestion is this. Remove the wheels, cranks, and bottom bracket. Support the rear dropouts by inserting an old hub of the proper spacing. Lay the bike on its left side, supporting it with wood blocks at the seat lug and head tube. With a friend standing on the seat lug, jump up and down on the bottom bracket and see what happens.
Disclaimer: If this were a vintage Cinelli, I'd be sending it to Richard Sachs.