Welcome to the McKenzie- Willamette Medical Ctr. Shoppable Services directory. Potential patients can find pricing estimates for (up to 300) services provided by McKenzie- Willamette Medical Ctr. Select your insurance provider or “self-pay” if self-insured. If your insurance provider does not appear in the list, select the “self-pay” price. Patients who pay for certain services up-front are eligible for a discount as part of the Simple + Price program.