PPO Networks Explained
A network is the group of doctors and hospitals that agreed to discounted, negotiated rates with a carrier. Which network your plan uses determines which doctors cost you less — and which don't.
Some of the broadest national PPO networks available on private plans are run by national carriers and shared multi-carrier network arrangements — both are common answers to "will my plan work if I travel or split time between states?"
Network breadth varies significantly by state and by specific plan, even within the same carrier — two plans from the same carrier in the same state can have different network widths. This is exactly why we verify your specific doctors against a plan's actual network before you enroll, rather than assuming based on the carrier's name alone.
| Network type | Referral required? | Out-of-network coverage | Typical breadth |
|---|---|---|---|
| PPO | No | Partial | Broad, often nationwide |
| HMO | Yes | Emergency only | Narrower, regional |
| EPO | No | None (except emergency) | Moderate, regional |