NAME TYPE LENGTH ------------------------------------- ------ Claim Attending Physician CHAR 6 UPIN Number On an institutional claim, the unique physician identification number (UPIN) of the physician who would normally be expected to certify and recertify the medical necessity of the services rendered and/or who has primary responsibility for the beneficiary's medical care and treatment (attending physician). SHORT NAME: AT_UPIN LONG NAME: AT_PHYSN_UPIN SOURCE: CWF