J12 MAC Transition
(* = off-site link)

Highmark Medicare Services' mission is to ensure a smooth transition of Electronic Data Interchange (EDI) and other system related activities for all providers and their clearinghouses to the J12 MAC environment.

Click on the appropriate workload that you are involved in for more detailed information regarding how the J12 MAC transition will affect you.

MD/DCME/DC Part B | PA/MD/DC Part A | NJ Part A | NJ Part B and DE Part A | PA Part B