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Understanding Health Insurance

What is health insurance?

Health insurance helps families pay for clinic visits, medicines, treatments, and hospital stays. This guide shows how health insurance works and what to check when picking a plan.

Most health plans have 3 parts:

  • Benefits: What the plan pays for, like checkups and medicines
  • Networks: Doctors and hospitals that work with your plan
  • Costs: What you pay, such as premiums and copays

Many insurance plans include a pharmacy benefit that helps pay for prescription medicines. Sometimes it is managed by a separate company.

Learn more about pharmacy insurance

Health insurance costs

Costs depend on your plan and your child’s care needs. Common costs include premiums, deductibles, copays, coinsurance, and out-of-pocket maximums.

Private health insurance options

Families can get health insurance through private plans or through public programs like Medicaid and CHIP.

You can buy private health insurance on your own or through your job. Your employer may pay part of the cost.

You can buy health insurance directly from the insurer or through health insurance marketplaces run by your state or the federal government. The cost and number of plans vary by state. Find more details on the marketplace by state.

With employer-based coverage, your employer may pay for all the health insurance or part of it. Usually, the employer will provide several health insurance plan options.

In-network providers

Many insurance companies have a network of preferred providers. The network is a group of doctors, hospitals, pharmacies, and other health care providers that the insurance company works with to provide services according to an agreed-upon contract. These are called in-network providers. Many plans base the cost of services on whether a provider is in the network. It usually costs less to use an in-network provider.

Out-of-network providers

Providers who are not part of the network are called out-of-network providers. Out-of-network providers may cost more or may not be covered at all. For example, an in-network MRI might be 80% covered, while out-of-network may only be 40%. The annual deductible may also be higher for out-of-network services.

Plan documents

These documents include Summary Plan Descriptions (SPDs), Evidence of Coverage (EOC), or Summary of Benefits Coverage (SBC)

  • The plan documents tell the family about the benefits they are entitled to under the insurance plan and provide rules on how to use the plan.
  • To receive coverage, the family must follow any plan rules. Every insurance plan has its own rules, such as getting a referral from the primary care physician to see a specialist or approval from your insurance company.
  • Review your own plan documents to understand the specific rules of your policy.

Transitional health coverage – COBRA

COBRA stands for Consolidated Omnibus Budget Reconciliation Act. If you leave your job or reduce your work hours to care for a child, you may still get coverage through your employer’s group health plan for a limited time. Ask your employer’s human resources department for details.

COBRA coverage can be costly because you pay the full premium plus a small administrative fee. COBRA typically lasts 18–36 months, depending on the situation.

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Health insurance assistance programs

If you buy insurance through the state or federal marketplace, you may qualify for financial help that lowers your costs:

  • Premium tax credit: Lowers your monthly premium based on income. If you have a lower income, you get a larger credit to cover insurance costs. During enrollment, you can estimate this tax credit amount. Or you can get the full amount of the premium tax credit when you file your income tax return. To learn more, visit the eligibility page on the IRS website.
  • Cost-sharing reductions (CSRs): Lower what you pay for deductibles and copays if you meet certain conditions. CSRs may be available through your state or federal marketplace. The amount will depend upon:
    • Your income
    • Your insurance plan
    • If you meet certain conditions (eligibility)

You can use online calculators to estimate savings or ask a marketplace representative for help during enrollment.

Medicaid and CHIP: Public health insurance for kids

There are 2 main types of public insurance programs that cover families and children: Medicaid and the Children’s Health Insurance Program (CHIP). If your child is seriously ill, ask your hospital’s social worker about Medicaid or CHIP. These programs often help families with high medical costs. Eligibility for Medicaid and CHIP depends on income, family size, and state rules.

Medicaid

Medicaid is a government health insurance program for people with low incomes. It covers children, some adults, pregnant people, older adults, and people with disabilities.

Every state gives families with low incomes the option to get free or low-cost public health insurance.

  • Each state has a different name and income requirement for its Medicaid program. For example, in Wisconsin, Medicaid is known as BadgerCare. Medicaid in California is known as Medi-Cal.
  • For Medicaid coverage, enroll at any time of year and be covered right away. To find out how to qualify, contact a state Medicaid agency.

Children’s Health Insurance Program (CHIP)

CHIP provides low-cost health insurance to children in families who do not qualify for Medicaid.

  • Each state has a different name and income requirement for its CHIP. For example, in Rhode Island, the Children’s Health Insurance Program is known as RIte Care. In New York, it is known as Child Health Plus.
  • Apply for coverage through CHIP any time of year.

Questions to ask about health insurance

  • Will my health insurance cover this test or procedure?
  • Will my medicines be covered?
  • Do I need a referral from my primary care physician to be covered?
  • Is the treatment center in my insurance’s network?
  • Is my child’s medicine on the plan’s preferred drug list? 
  • How do I file an insurance claim?
  • How do I file a complaint with my insurance plan?
  • What will my copays and other costs be?

Key points about health insurance

  • Health insurance helps pay for doctor visits, medicines, and treatments. Plans can be private or public. Most plans include benefits, networks, and costs. 
  • Sometimes medicines are obtained through a separate Pharmacy Benefit Manager (PBM) insurance plan. 
  • A person may use either private or public health insurance.
  • Most health insurance plans have 3 parts: benefits, networks, and costs.
  • When choosing a health insurance plan, make sure you know which doctors, hospitals, and medicines are covered under it.
  • Always check which doctors and hospitals are in your plan’s network before scheduling care.

Find more information


Reviewed: December 2025

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