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.
CPT only copyright 2011 American Medical Association. Page 2 of 5 What You Need to Know This article explains the difference between a National Provider Identifier (NPI) and a Provider Transaction Access Number (PTAN). There are no policy changes in this article.