What Are Community Health Centers and How Do They Work?

Community health centers are federally supported clinics that provide primary care to anyone who walks through the door, regardless of their ability to pay or insurance status. In 2024, more than 32.4 million people received care at these centers across the United States, with roughly 90% of those patients earning incomes at or below twice the federal poverty level. They exist to fill a specific gap: bringing affordable healthcare to communities that would otherwise have limited access to it.

How Community Health Centers Work

The formal name for most community health centers is Federally Qualified Health Centers, or FQHCs. These organizations receive grants under Section 330 of the Public Health Service Act, administered by the Health Resources and Services Administration (HRSA). That federal funding comes with strings attached: centers must provide a defined set of primary care services, use a sliding fee scale based on income, and operate under a patient-led governing board.

The category also includes outpatient health programs run by tribal organizations under the Indian Self-Determination Act and urban Indian organizations funded through the Indian Health Care Improvement Act. Some centers don’t receive a direct federal grant but operate under contract with a grant recipient and meet all the same requirements. These are sometimes called “look-alikes.”

Services They’re Required to Provide

Every community health center must offer a core set of primary health services defined by federal law. This includes general medical care, preventive screenings, lab work, and pharmacy services. Many also provide dental care, mental health counseling, and substance use treatment. Centers serving homeless populations are specifically required to offer substance use disorder services on top of the standard package.

Centers don’t have to deliver every service in-house. They can fulfill requirements through written contracts or formal referral arrangements with other providers. What matters is that patients can access the full range of required care through the center as their entry point.

For communities with significant numbers of people who speak limited English, centers must develop plans for interpretation and translation services. Staff receive guidance on cultural sensitivities and bridging linguistic differences, so language barriers don’t become barriers to care.

What You’ll Pay

The sliding fee discount program is one of the defining features of community health centers. If your household income falls at or below the federal poverty level (about $31,800 for a family of four in 2025), you qualify for a full discount. The center can collect only a nominal charge for your visit.

If your income falls between 100% and 200% of the poverty level, you’ll pay a partial, reduced fee. Federal rules require at least three discount tiers in this range, with costs rising gradually as income increases. Each center has some flexibility in how it structures those tiers, whether that means a percentage of the full fee or a flat amount per visit.

Above 200% of the poverty level, there’s no required discount, and you’d pay the center’s standard charges. But community health centers still accept Medicare, Medicaid, and private insurance, so your coverage applies normally. No one is turned away for inability to pay.

Where the Money Comes From

Community health centers piece together funding from multiple sources. Federal and state grants provide a baseline, but the majority of revenue now comes from patient insurance reimbursements. Between 2010 and 2017, the share of revenue from grants dropped from 38% to about 30%, while reimbursements from Medicaid, Medicare, and private insurance grew to fill the gap. This shift largely reflects Medicaid expansion under the Affordable Care Act, which gave insurance coverage to millions of people who previously relied on the sliding fee scale.

The Community Health Center Fund, a dedicated federal funding stream, provided approximately $15.8 billion in grants from 2011 through 2017. About 80% of that money went toward keeping existing centers running. The remaining $3.2 billion funded new sites, expanded services at existing locations, and special initiatives like health information technology upgrades.

Patient-Led Governance

Community health centers operate under a governance model unlike most healthcare organizations. At least 51% of each center’s board of directors must be patients who actively use the center for their own care. These patient board members must, as a group, reflect the demographics of the population the center serves.

This isn’t a symbolic requirement. The board sets organizational priorities, approves budgets, and hires leadership. The idea is that the people most affected by the center’s decisions should have direct control over them. It’s a structure that dates back to the program’s origins in the 1960s, when community empowerment was central to the mission.

Origins of the Program

The concept traces back to 1965, when Dr. Jack Geiger and Dr. Count Gibson Jr. brought the idea of “neighborhood health centers” to the Office of Economic Opportunity, a federal agency created by the Economic Opportunity Act of 1964 as part of President Lyndon Johnson’s War on Poverty. The earliest centers were designed not just as clinics but as anchors for community development, addressing the social conditions that made people sick in the first place.

The program has expanded dramatically since then. What started as a handful of pilot sites now includes thousands of locations in every U.S. state and territory, serving more than 32 million people annually.

Impact on the Healthcare System

Research consistently shows that patients who use community health centers as their regular source of care are less likely to end up in emergency rooms. A UCLA study funded by HRSA found that patients who used a health center for three or more years had lower odds of high emergency department use. A separate study published in the American Journal of Public Health found lower hospital utilization and cost savings among Medicaid patients receiving care at health centers.

This makes intuitive sense. When people have a consistent place to go for preventive care, chronic disease management, and routine sick visits, they’re far less likely to let conditions escalate to the point of needing emergency treatment. For the healthcare system as a whole, that translates to lower costs and better outcomes, particularly in communities where the alternative to a health center is often no regular care at all.