That seems really excessive. If medication didn’t help at and 200, it’s likely you’ve been misdiagnosed. You should get a Movement Disorder Specialist.

Your dose is at its high limit. Be aware there is a large percentage of PD patients that dopamine does not work. A positive response to dopamine is a positive diagnosis for PD. But the reverse is not true. Be aware of any involuntary twitching or compulsive behaviors and tell your doctor. Your doctor is doing his best to help you. A diagnosis of PD may often be not considered, but PD is rarely misdiagnosed for something else. Our symptoms are well defined by movement disorder neurologists

Mine has but he needs to go up or more a day