Understanding Your Health Insurance Network and Providers

This article is general information, not insurance, medical, legal or financial advice. Network rules differ by insurer, plan and place, so check your plan documents and confirm details with the plan.

What a network is

A network is a group of doctors, hospitals, labs, pharmacies and other providers that have agreed with a health plan to provide care to its members. Under these agreements, providers typically accept the plan’s negotiated rates for covered services. In return, the plan may steer members to them through lower costs.

Providers outside the network have no such agreement with your plan. This is the basis of the distinction between in-network and out-of-network care, which often has a large effect on what you pay.

In-network versus out-of-network

When you use an in-network provider:

• The plan typically pays based on a negotiated rate.
• Your deductible, copay and coinsurance usually apply as described in your summary of benefits.
• The provider generally agrees not to bill you for more than the negotiated amount, apart from your cost sharing.
• The provider often submits claims directly to the plan.

When you use an out-of-network provider:

• Your plan may pay less, pay nothing, or pay only in emergencies, depending on the plan.
• You may have a separate, higher deductible or lower coinsurance coverage.
• The provider may bill you for the difference between its charge and what the plan allows, known as balance billing, in places where that is permitted.
• Costs may not count toward your in-network out-of-pocket limit.

Some protections exist in various places for emergencies and for certain situations, such as when an out-of-network provider treats you at an in-network facility. These protections differ by location and are not universal.

Common network styles

Plans are often described by their network style. The labels differ among insurers, but these are general patterns:

• HMO. Typically requires you to use the plan’s network except in emergencies, and often asks you to choose a primary care doctor who coordinates care and provides specialist referrals. Costs tend to be lower in exchange for less flexibility.
• PPO. Generally lets you see providers outside the network at a higher cost, usually without a referral. Premiums are often higher. A comparison of HMO versus PPO covers this in more depth.
• EPO. Usually limits coverage to network providers, but may not require referrals.
• POS. A mix of features, often requiring a primary care doctor while allowing some out-of-network use at higher cost.

Some plans also arrange providers in tiers, where preferred providers cost you less than other in-network ones. Others use a narrow network, with fewer providers in exchange for lower premiums. A narrow network can be a good fit for some people and a poor one for others, depending on which doctors and hospitals are included.

How to check whether a provider participates

Networks change, and information can be out of date. A careful approach is:

1. Use the plan’s online provider directory or call member services. Search for the exact provider name and location.
2. Call the provider’s office and ask whether they accept your specific plan, not just the insurance company. A company may have several networks, and a provider may participate in some but not others.
3. Ask about every provider who will be involved. For a procedure, this can include the surgeon, the facility, the anesthesiologist, the lab and any assistants. Each may bill separately.
4. Ask whether the specific service is covered and whether it requires approval, such as prior authorization.
5. Note the date, the name of the person you spoke with and what they said. If a directory error leads to an unexpected bill, records help when you raise the issue.
6. Recheck before major care. Providers join and leave networks, and directories are not always updated promptly.

Planning for continuity of care

If you are already seeing a doctor, check their status before choosing or switching plans, especially if you are in the middle of treatment. Some plans allow a transition period for ongoing care when a provider leaves the network or when you join a new plan, but whether and for how long varies. Ask what options exist, such as continuity of care, and get the answer in writing if you can. The topic of keeping your doctor when changing plans is worth thinking about before enrollment, not after.

Other things to consider

• Geography. A network may be wide on paper but thin where you live or travel. Consider distance to hospitals and specialists.
• Prescriptions. Pharmacies may have their own network, and some drugs may cost less at preferred pharmacies.
• Telehealth. Some plans have their own virtual care network.
• Emergencies. Most plans cover emergency care regardless of network, but the details about follow-up care and billing vary.
• Out-of-area care. Students and travelers should ask how the plan treats care away from home.

A balanced view

A larger network gives more choice but often costs more in premiums, and a smaller one may cost less but narrows your options. There is no universally better choice. It depends on which providers you want to see, how much flexibility matters to you, and how you weigh monthly cost against the risk of out-of-network bills.