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Plan types explained: HMO vs PPO vs EPO vs HDHP

When you shop for coverage, plans come in a few standard "shapes." The letters describe how the plan handles networks, referrals, and out-of-network care. Here's each one in plain English.

When you shop for coverage, plans come in a few standard “shapes.” The letters describe how the plan handles networksThe group of providers and facilities your plan contracts with. Staying in-network usually costs you less., referralsA recommendation from one provider to see a specialist. Some plans require one before they will cover the specialist visit., and out-of-networkProviders without a contract with your plan. Your costs are usually higher, and some plans do not cover them at all. care. Here’s each one in plain English.

HMO — Health Maintenance Organization. You pick a primary care provider (PCP)Your main, go-to clinician for everyday health — checkups, common illnesses, and coordinating the rest of your care. A PCP can be a physician, NP, or PA. — your main doctor and first stop for most care. The HMO usually covers care only inside its network, and you often need a referral (your PCPEveryday, first-stop medical care for general health, prevention, and common problems, often from a family or general provider.‘s written okay) to see a specialistA provider who focuses on one area of medicine, such as orthopedics, cardiology, or neurology. You often reach a specialist through a referral.. Trade-off: lower cost and simpler bills, less freedom.

PPO — Preferred ProviderA doctor or facility in your plan’s network that you usually pay less to see. The "PPO" in plan names stands for Preferred Provider Organization. Organization. More flexibility. You usually don’t need referrals, and you can see out-of-network providersAnyone licensed to give you medical care — a physician, nurse practitioner, or physician assistant. Clinics use "provider" as a catch-all for whoever is caring for you. — though you’ll pay more when you doA medical doctor — "MD" or "DO" — with four years of medical school plus a multi-year residency in a chosen field.. Trade-off: more choice, higher premiumsWhat you pay every month just to have the plan, whether or not you use any care..

EPO — Exclusive Provider Organization. A middle ground. Like a PPO, you usually skip referrals; like an HMO, the plan generally covers only in-networkProviders and facilities that have a contract with your plan, usually at lower negotiated prices. care (except true emergencies). Out-of-network care is typically not covered at all.

HDHPA plan with a lower monthly premium but a higher deductible. It can be paired with an HSA. — High-Deductible Health Plan. Defined by its cost structure, not its network. It has a higher deductibleThe amount you pay out of pocket each year before your plan starts sharing most costs. Until you reach it, you usually pay the full negotiated price for covered care. and lower premium than a typical plan. Its big feature: most HDHPs let you open a Health Savings Account (HSA)A tax-advantaged account for medical costs, paired with a high-deductible plan. The money stays yours year to year. to pay for care with tax-free dollars (see the next article). The IRS sets the deductible and out-of-pocket thresholds that make a plan HSA-eligible each year. (Source: HealthCare.gov — High Deductible Health Plan.)

A quick way to choose

  • See doctors rarely and want low premiums? An HDHP plus an HSA can be efficient — if you can cover the deductible in a bad year.
  • Want maximum freedom to pick specialists and don’t mind paying for it? A PPO.
  • Want lower costs and don’t mind a gatekeeper PCP? An HMO or EPO.

Why this matters to you

The plan “shape” decides two things that hit your wallet hardest: whether you can see the doctor you want, and what happens if you accidentally go out-of-network. Before enrolling, check that your current doctors and your nearest hospital are in the plan’s network, and read how it treats out-of-network and emergency care.

Compare official definitions at the HealthCare.gov glossary, and see KFF’s plan-type explainers for side-by-side context.