G9875: Nine total medicare diabetes prevention program (mdpp) core sessions were attended by an mdpp beneficiary under the mdpp expanded model (em). a core session is an mdpp service that: (1) is furnished by an mdpp supplier during months 1 through 6 of the mdpp services period; (2) is approximately 1 hour in length; and (3) adheres to a cdc-approved dpp curriculum for core sessions