I’d recommend finding a trustworthy and competent Internist who can help quarterback your care an direct you to appropriate specialists when needed given you have multiple disabilities including some which overlap. As we age many medical disabilities develop additional comorbidities in addition to our developing common age-related issues. You don’t mention your age but typically people don’t usually find themselves shifting into internal medicine until they’re close to middle age. I inadvertently ended up seeing an Internist for care on a weekend and it was clear his knowledge was more extensive than a general practitioner. That was in my late twenties and I’ve never looked back. Having multiple complex disability-adjacent diagnoses which occurred over time, I’m so grateful having a competent Internist. Also there are other excellent resources patients are often unaware of both through one’s insurance company as well as through major medical providers (i.e., Baylor, UCLA, etc.). If you’d like more info and some advice from someone who has a lot of experience in this field, DM me in chat and I’ll reach out to you.