The core difference
Many of the private underwritten plans we place run on a national PPO network, depending on the plan, carrier and state. The carrier rents access to a large, nationwide list of contracted providers, so the network is not tied to one county or one hospital system. Network size and real access still vary by area, so verify in that plan's own directory.
Exchange networks have moved the other way over the last decade. In many counties the plans on offer are HMO or EPO designs built around a single local health system, with referrals required and little or no benefit outside the network.
That is not a knock on the exchange. A narrow network is one of the levers that keeps exchange premiums down, and if your doctors are inside it and you qualify for a subsidy, it can be an excellent deal. The problem is only when your doctors are outside it.
The networks we actually use
These are the networks behind the plans we place. Which one applies depends on the plan and the state, and it is confirmed at application.
- PHCS PPO and PHCS Extended — the network behind LifeX and the Bright Life Visit Limit plan, among others.
- MultiPlan PHCS — broad national access used on several plan designs, where available.
- First Health PPO — used by Medical Mutual Protect for provider discounts.
- Aetna PPO and Aetna Open Choice PPO.
- Cigna PPO.
- Blue Cross Blue Shield (BlueCard).
Availability varies by state, carrier and plan, and network access varies by area.
PPO, EPO and HMO behave differently out of network
The letters are not branding. They describe what happens when you see a provider who is not contracted with the plan.
| PPO | EPO | HMO | |
|---|---|---|---|
| Referral to see a specialist | Not required | Usually not required | Usually required from a primary care doctor |
| Out-of-network care | Covered at a lower level | Generally not covered except emergencies | Generally not covered except emergencies |
| Typical geographic reach | National | Regional or local | Local |
| Typical premium effect | Higher | Lower | Lowest |
| Best suited to | Travel, multi-state families, keeping existing specialists | Staying local with a defined provider group | Cost-sensitive households happy with one local system |
General characteristics. Your policy language governs; benefits, limitations and exclusions vary by state and plan.
Referrals and specialist access
On a PPO you can book a dermatologist, a cardiologist or an orthopedist directly. There is no gatekeeper appointment first, which saves both a copay and often several weeks.
On an HMO, the primary care physician is the routing point. That model has real benefits — someone is coordinating your care — but it adds a step, and if you change primary doctors your referrals may need to be reissued.
If you already have specialists you trust and intend to keep, this difference usually matters more than a small swing in premium. More on the structure in PPO vs HMO.
Travel and multi-state households
A national PPO travels with you. If you spend winters in another state, drive for work, or have a child at college three states away, non-emergency care in that other state is generally still in network when that provider participates — check the directory for the specific provider and address.
Local exchange networks usually do not work that way. Outside the service area, coverage is often limited to emergencies, and a routine visit or a follow-up can land entirely on you.
Multi-state households run into this most often: a spouse working in a neighboring state, dependents at school elsewhere, or a family that moved recently and kept its old doctors. A national PPO is often the better tool for that shape of life, depending on the plan and where care is received.
How to verify your own doctor before applying
Never take a network name on trust, and never take a provider's front desk saying "we take that" as final. Do these five things.
- Get the exact network name for the exact plan you are considering — not just the carrier. The same carrier can use different networks on different products or states.
- Search the network's own provider directory for each doctor by name and by the specific office address you use. Doctors are often contracted at one location and not another.
- Call the doctor's billing office, not the front desk, and ask whether they are contracted with that named network and accept plans that access it.
- Repeat the check for your hospital, your preferred imaging center and any facility tied to a procedure you already have scheduled.
- Ask what the plan pays if that provider turns out to be out of network, and get the answer before the application, not after.
When the exchange network is the better choice
If your doctors and hospital are all inside the local exchange network, and your household qualifies for a large premium tax credit or a cost-sharing reduction, the exchange is usually your better deal. Broad national access is worth paying for only when you need it.
The same is true if you have a significant health condition. Exchange plans cannot ask health questions or exclude a pre-existing condition; underwritten private plans can do both. Network reach does not compensate for a condition being excluded.
Where a private PPO genuinely earns its place is the household that gets little or no subsidy, is in reasonably good health, and has doctors the local exchange network does not include. See private health vs ACA for the full comparison.
Questions worth asking about any network
Beyond whether your doctor is listed, these are the ones that catch people out.
- Is the hospital in network but the anesthesiologist or radiologist not? That combination is common and expensive.
- Does the plan use a different network for prescriptions than for medical care?
- If the plan is layered — a day-to-day plan paired with a catastrophic layer — do both parts use the same network?
- What happens if your doctor leaves the network mid-year?
- Is urgent care treated like an office visit or like an emergency room visit?