Should I call my mother’s primary care physician to get a referral to a new neurologist?

So my mother who is only 54 has been experiencing behavior that has not been normal for about the end of 2023 just small things at first and I told her she needs to see a doctor. She was referred to a Neurologist and had a MRI in November. They sent the results to her app but they never called her in to tell her the Results. Her cognitive skills have been getting worse and the Neurologist I was told got a New Nurse Practitioner and she is still waiting to be setup to receive Tricare which is my mom’s insurance and her appointment is not scheduled until June 24, 2024. That is a long time to wait and keep waiting. I called the office of the Neurologist and told them the situation. What should I do because from November 2023 to June 2024 that is almost 7 months and she could have been diagnosed during that time.