The Federal Department of Health and Human Services provides useful information and offers many helpful programs too. As stated on their website "HHS programs protect the health of all Americans and provide essential human services, especially for those who are least able to help themselves." Below is a list of some areas they help in and a link is also provided to their website page.
Here is a link to their page: Click Here to find out more.
200 Independence Avenue, S.W.Washington, D.C. 20201Toll Free Call Center: 1-877-696-6775