Possible Clues:

• Abbr. found in 'Obamacare'
• Much-litigated 2010 law, for short
• Subj. of Obama's 2016 JAMA article
• Measure AARP has long supported
• Healthcare.gov statute, briefly
• Initials aptly found in 'Obamacare'
• Obama health law, briefly
• Plan identified with 5-Down, for short
• Here, In Acapulco