I'm not sure what you situation was, but Medicare starts at age 65 for most people:
[Medicare] Eligibility & Premium Calculator
Social Security eligibility is separate, and the age of "full benefit" has been increasing 2 months for every year one is born after 1938, until 1960:
They told me when I called SS, it was because congress changed the rules, I had expected it to go full regular at 65 and it did not: 66 was when I went full regular. http://www.ssa.gov/oact/progdata/nra.html was the age for those born in 1948. I’d been on disability since I turned 60. Took 4 yrs to get it through, most of my paper trail was lost when my Rheumatologist retired.
We are a older blended couple of widowers, we even had to wait until I turned 60 before we could get married, or I’d lose the SS I drew under my late husband’s. I didn’t have enough quarters in on my own, so I drew off his;ate husband’s account. He died of a sudden massive heart attack at 57. They kept what little I’d paid in. Same thing happened to my late pastor’s wife, he waited until he turned 65 to start withdrawing, she had worked most of her life, were I did not. She still ended up drawing off her husband’s as he made more money, and SS kept what she paid in when she retired at 65.
Because new hubby is Ret. SCPO, I then qualified for Tricare Life instead of CHAMPUS. Disability stopped when I turned 66. http://www.foxbusiness.com/personal-finance/2015/01/05/filing-for-social-security-choose-your-start-date-carefully/
ENT’s PA called in a script to our old regular drug store of 30 yrs, as it was a 1 time script, and Tricare refused to cover it just this past Thursday, as FDA had made it a OTC drug. Just another way to get in your pocket. 2014 we were mandated to use Military base or Express Scripts for daily meds, but a 1 time script or 1 on the weekend could be filled at any pharmacy that takes Tricare Life. Which excludes Walgreen’s.