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.
'PTAN - Provider Transaction Access Number', All Acronyms, 2 September 2017, <https://www.allacronyms.com/PTAN/Provider_Transaction_Access_Number> [accessed 2 September 2017] Bluebook. All Acronyms, PTAN - Provider Transaction Access Number (Sep. 2, 2017, 1:09 PM), available at https://www.allacronyms.com/PTAN/Provider_Transaction_Access_Number.