I applied in-person. The process took 1 day. I interviewed at Ocean Medical Center (Brick, NJ) in Oct 2014
Interview
It is a very easy process that is open to hiring anyone from high school students to older folks who want to help out in their community. All you must do is fill out the application on time. I believe they only accept volunteers on a yearly basis.
Interview questions [1]
Question 1
They will ask you a variety of questions regarding general volunteer conduct including legal and privacy matters.