The Visitation of Holy Mary was originally founded to be uncloistered, and visit the sick and poor. The tide of public opinion turned against them doing so, and their founder, St Francis de Sales, cloistered them. This event is one reason why St Vincent de Paul developed the Daughters of Charity the way he did.
Here is my organization’s clearinghouse site for the cloistered Visitation in the US and UK:
There are some Second Federation Visitandines left in the US, the most prominent being Georgetown, DC.