1. A computer-implemented method for importing health care marketing data, the method comprising: obtaining, by the computer, a healthcare-marketing-related record comprising data structured according to a plurality of fields of a plurality of field types; obtaining, by the computer, a plurality of data validity rules comprising a plurality of field-specific validity rules and at least one field-generic validity rule, each field-specific validity rule indicating data that can be validly included in a particular one of said plurality of field types, the at least one field-generic validity rule indicating data that can be validly included in any of said plurality of field types; obtaining, by the computer, a plurality of field-specific data canonicity rules, each canonicity rule indicating a standard form for representing data in a particular one of said plurality of field types; cleaning and normalizing, by the computer, said healthcare-marketing-related record according to said plurality of data validity rules and said plurality of field-specific data canonicity rules, respectively; and merging, by the computer, the cleaned and normalized healthcare-marketing-related record into a persistent healthcare-marketing database comprising a plurality of pre-existing healthcare-marketing-related records.