Information needed

We recently changed the plan option effective 01/08/2024. For more than a month I have trying to get information regarding doctors and hospitals that are contracted in, as only certain doctors etc. can be used. I emailed queries and membership. The only response that you get is the standard auto reply that your queries will be attended to in 3-5 working days. Not sure how to get the info as they would be quick to tell us that they are not paying as we did not use a contracted service provider. Surely they should have a list of doctors, hospitals, and pharmacies. Dont know?