If you are trying to restrict access to your PPI (protected patient information) by a funding source (insurance, medicare, medicaid, etc) it won't happen. Payors always have full access to all PPI, as do health care providers actively involved in your care.
If you are being asked to complete disclosure forms, the organization is asking you who you want to have your PPI, and you're giving them permission to share it.
Because there are some hefty HIPPA fines if a breach in PPI is proven, most health care organizations try hard not to allow PPI to go anywhere not permitted.
Don't look back. You're not going in that direction.