Do I report a nursing home for suspected abuse or neglect? Where do I report the abuse?

My grandmother died two days ago. Before she died I was in the room with her while they were bathing her, and saw some hideous bed sores on her lower back around her tail bone. The doctor had been in earlier in the day and told me she only had days left to live.

I don't know if this is abuse or neglect, but seems bed sores can be avoided. The nursing home we had her in has a great reputation of caring for the elderly, so this seems unusual.

Where do I report my suspicions of neglect or abuse?

Do I report a nursing home for suspected abuse or neglect? Where do I report the abuse?
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