Both my primary system and Duke either leave voicemails or send messages on their systems app. That includes messages, tests, appointments and such. We had something similar in Michigan for the Henry Ford System as well.
We've changed part of our pharmacy services because of Medicare provider services and costs. That said I still get regular messages thru the new pharmacy service and phone messages on a regular basis regarding refills and new perscriptions.
The old pulmonary guy's staff just never followed thru, and he blamed it on us fo asking too many questions.