Every primary care doctor I've ever gone to has had either an NP or PA on staff to answer patient-specific questions, handle refills, appointments, etc. That's pretty standard here, and I'm on Obamacare so I don't have a special healthcare plan.
I think a lot of people don't know that you can just call and ask them questions, for free, without having to set an appointment and wait. They won't give you a diagnosis or prescribe a new treatment, but they'll absolutely answer questions like the OP has.