You can contact your local VA medical center or clinic and ask for the enrollment coordinator or the urgent care clinic.  You can also seek help from the emergency room.
Good. Another question related to documents and information. where should I fill out my application?
To fill out your application in person, survey the nearest Veterans Medical Center in this league: Find the Veterans Center or Clinic closest to you OR you can help through your state's Department of Veterans. s Find your state's Veterans Department...
Once enrolled in the health care program, what else can I do?