Congratulations on a successful move to the best retirement area I've ever heard of.
As you select your health care providers you might want to check out some of the threads on this subject on this web site. Take the evaluations with a grain of salt because the opinions are subjective, but generally if someone gets a lot of positive reviews the odds are that they are good providers.
Enjoy yourself, make lots of friends and sample a variety of unfamiliar activities before settling into a routine.