Health care services in the nature of preferred provider organizations as a substitute or replacement for Medicare

underwriting, organizing, and administration of healthcare insurance plans, dental plans, and drug plans; underwriting, organizing, and administration of healthcare insurance plans, dental plans, and drug plans for Medicare enrollees

Underwriting, organizing, and administration of health insurance plans, dental plans, and drug plans; underwriting, organizing, and administration of preferred provider health care plans, dental plans, and drug plans and preferred provider health care plans, dental plans, and drug plans for Medicare enrollees