cost management for the health benefit plans of others; medical utilization review; data preparation services, namely, preparation of computerized mailing lists for others in the health care field; physician practice management services for others; physician practice management services, namely, furnishing facilities, administrative and management support to physicians

[bill payment services; credit recovery and collection services in the field of payment of medical bills; electronic processing of insurance claims and payment data; insurance claims processing]

medical services in the nature of physician and ancillary health care services delivered through an integrated health care provider network; health care services in the nature of a health maintenance organization; managed health care services in the nature of an integrated health care delivery network; designing and implementing quality assurance programs that aid in the assessment, testing and analysis of the medical practices of others; hospital and physician credentialing and credentials verification services; medical director services