I'm so sorry for you. By now your mom has likely passed, or she soon will. People can go a long time without food, but lack of hydration will take her first. If she's still alive, please call you local hospice. They can tell you that she is in a state where she is not suffering from lack of food or hydration. She is beyond that.
Applying for an NPI is free of cost and relatively easy. To apply through a secure, Web-based process, visit the National Plan and Provider Enumeration System website. Those with valid applications should receive their NPI via email within one to five business days.
To open a Home Health Care Agency you will need to apply for a Federal Tax ID as well as a National Provider Identifier Number(NPI number). These can be done at the respective websites. When you register your company with your state, you will get information pertaining to your state tax ID number. This will allow you to make the payments required for your state income tax and employment taxes for your Home Health Care Agency.