Individuals or employers may purchase private health insurance plans to cover medical expenses. These plans can offer a range of coverage options, including hospital stays, doctor visits, prescription drugs, and preventive care. Private insurance plans vary widely in terms of coverage and cost.

Employers may offer health insurance coverage as part of their employee benefits package. These plans may be partially or fully funded by the employer and often provide a range of coverage options.

HMOs are a type of managed care organization that typically requires members to choose a primary care physician (PCP) and obtain referrals from their PCP to see specialists. HMOs usually have a network of healthcare providers and facilities, and members may have to pay co-payments or coinsurance for services.

PPOs are another type of managed care organization that offers more flexibility than HMOs. Members can typically see any healthcare provider or specialist without a referral, but they may pay less out-of-pocket if they choose providers within the PPO’s network

HDHPs have lower monthly premiums but higher deductibles compared to traditional health insurance plans. These plans are often paired with health savings accounts (HSAs) or flexible spending accounts (FSAs) to help individuals save for medical expenses.

Medicaid is a joint federal and state program in the United States that provides health coverage to low-income individuals and families. Eligibility criteria and covered services vary by state.

Medicare is a federal health insurance program in the United States for people who are 65 years old and older, as well as certain younger individuals with disabilities. It consists of several parts, including Part A (hospital insurance), Part B (medical insurance), Part C (Medicare Advantage plans), and Part D (prescription drug coverage).

Tricare is the healthcare program for active-duty service members, retirees, and their families in the United States military. It provides coverage for a wide range of healthcare services, including medical, dental, and pharmacy benefits.