Asia-Pacific Economic Cooperation, or APEC, is the premier forum for facilitating economic growth, cooperation, trade and investment in the Asia-Pacific region.
Provider Transaction Access Number (PTAN) A PTAN is a Medicare-only number issued to providers by MACs upon enrollment to Medicare. When a MAC approves enrollment and issues an approval letter, the letter will contain the PTAN assigned to the provider.
primary care physician A physician who provides care to a Pt at the time of firstânon-emergent contact, which usually occurs on an outPt basis; PCPs include internists (formerly general practitioners), family practitioners, or emergency room physicians.