I suppose that would depend on what ails you at the time....or does the V. A. let you to use non gov. facilities if there's nothing local for what you need? Full care hospitals and compounds are scattered far and wide but I think outpatient services are available in most larger cities.
Recently(some mos. back) I applied and was rewarded. I thought it a long drawn out process but it was not. Here is the link to get started:
Download the .PDF file and print it out. Though, it doesn't state it, you will need to send a copy of your DD-214 along with it. You can mail-in or drop off at most veterans service organization or VA office. Thanks to the local VA county service office for their help, it was a pleasant experience.
Mr. Willy (USMC)