Health insurance options for seniors include managed-care plans such as health maintenance organizations, preferred provider organizations and point-of-service organizations. While many seniors are covered by Medicare, supplemental insurance covers treatments and medication that Medicare doesn't pay for, as Everyday Health explains
HMOs require patients to receive all their non-emergency health care from providers within the organization's network. PPOs charge higher deductibles and co-payments but allow seniors to choose their own health care providers. In a POS health care plan, the patient's primary care physician manages all his care. Seniors can often find cost-effective health insurance options through organizations such as the AARP, according to Everyday Health.