Abstract: A method and apparatus for objectively monitoring the performance of a group of health-care providers. In-patient payment claim records representative of in-patient health-care services performed for patients by health-care providers within the group of health-care providers and out-patient payment claim records representative of out-patient health-care services performed for patients by health-care providers within group of health-care providers are stored in databases. A plurality of sickness episode data records are built from the in-patient payment claim records and the out-patient payment claim records, and an objective severity adjustment analysis is performed on the sickness episode data records to form a plurality of severity-adjusted sickness episode data records.