Open Question: Where can i find an obesity treatment center around nassau county, NY?

I am very fat, heart attack waiting to happen. I can not stand on our own in the mirror every morning and see my body around a lot of stretch marks. Today is my decision, I have to go into the treatment of obesity. Please help me, I need to find a help on this journey that I will continue (obesity treatment), and I, I am in Nassau County, New York life. Can anyone help me find my around people?