Sorry to hear you've joined the 'club'. It takes a while to sink in and accept......took me over a year.
Like you, I was given the diagnosis and dismissed with no idea of what the future might hold. I had a friend who was diagnosed 2 years before me, so I went straight round to her house and burst into tears.
Everything I have found out about Parkinson's since, has been through scouring the Internet, reading research articles and this Forum. I'm afraid you have to ask questions and be prepared to fight for attention sometimes, depending on which hospital you attend.
I did suggest to my PD nurse, that an information pack would have been helpful, when first diagnosed, There are several people you can be referred to.....neuro-psychologist, neuro-physiotherapist, speech therapist, dietitian, as well as being informed of your nearest Parkinson's group meeting and also your Parkinson's Support Worker. The pack should contain all this info., with names and telephone numbers, at least. Even a mention of this website, would have been nice......instead, I stumbled on it accidentally!
Don't be afraid to ask any questions you like on here, or just have a moan. It's probably too soon to tell you to keep a sense of humour......but it certainly helps if you can!
All the best, Twinks.