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.
A PTAN (Provider Transaction Access Number) is the number you are assigned when you enroll with Medicare to identify you or your organization as a Medicare Provider. It is referred to as your PIN or legacy number. Your PTAN is also used to authenticate use of the Interactive Voice Response (IVR) system.