Am I required to include my AAMC ID when I register for an NRMP Match?
To register for the Main Residency Match® or Specialties Matching Service® (Fellowship) Matches, an AAMC ID is not required but it is recommended. Including an AAMC ID in your Match registration will make it easier for programs to rank you in the NRMP Registration, Ranking, and Results® (R3®) system.