I do know that you need to carefully evaluate whether it makes financial sense for you. Again, each facility varies and you have to ask. Some facilities have special care units for people with dementia, some won't accept a person with dementia. The Joint Commission on Accreditation of Health Care Organizations and the National Committee for Quality Assurance only go so far in making sure the hospital or health plan provide quality care. But they are a first screen for consumers.
States have licensing bodies.
Everything is working very well and she's in excellent health. One of the biggest advantages of assisted living is other people. Friends and activities right where you live. Sometimes assisted living can also be more cost effective as well. The assisted living building may be more accessible than your own home.