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.
Difference between the Medicare Provider Numbers. In order for a provider to enroll into Medicare program, the provider must have a National Provider Identifier (NPI) issued by the National Plan and Provider Enumeration System (NPPES).The NPI is used to identify providers in the HIPAA standard process, such as the claims submission process.he MAC's Provider Enrollment department issues Medicare Providers a Medicare Transactions Number called the Provider Transaction Access Number (PTAN).