The best plans are those which are accepted at the two hospitals, and the medical groups in the area.
The smaller hospital is St Luke’s in Newburgh, and the larger medical center is Orange Regional in Middletown. If you want everything coordinated, then you can look into doctors at the Orange Regional Medical Group, which is a new group that is part of the hospital. Otherwise, there are multiple medical groups such as Crystal Run and Horizon the Family Medical Center and others in the area that have multiple specialists.
Wellcare and Affinity seem to be used most of these four you mention, but check with the hospitals and groups so you can choose the best one.