If you go to a psychotherapist, should you also bring medical reports and letters from specialists (rheumatologists)?

If you go to a psychotherapist and have an initial consultation there, should you also bring medical findings/reports and letters from other specialists, such as rheumatologists and cardiologists? Because I have post-traumatic stress disorder, but also suffer from the rheumatic disease "juvenile dermatomyositis" and high blood pressure (arterial hypertension), I see a rheumatologist every three…

After every doctor's visit or specialist appointment, is a medical letter written by a specialist to the family doctor?

After every doctor's visit or after every specialist appointment, is a medical letter written to the family doctor by a specialist? For example, if I go to the rheumatologist every three months, does he or she have to write a letter to my family doctor every three months? And please with reasons