The New York Health Care Proxy Law allows you to appoint someone you trust — for example, a family member or close friend – to make health care decisions. A health care proxy.You can complete a health care proxy form if you are 18 years of age or older. Attached is a health care proxy form that you can complete for your records. There are eight documents you need to be making medical decisions for elderly parents. Click here to learn more. You usually can get a HIPAA authorization form from a doctor, hospital or other provider. Home Care programs are Medicaid-funded long-term-care programs designed to help eligible elderly or disabled individuals remain safely at home. Here are 3 important documents that you must have in order to be able to participate in the healthcare decisions of mom, dad or any elderly family member. HIPAA authorization is a simple yet important document for family caregivers.