Medicare Advantage HMO vs PPO — network and cost differences that matter
About two-thirds of Medicare Advantage plans are HMOs. The rest are mostly PPOs (with some smaller categories like PFFS and SNPs). The HMO-vs-PPO choice affects your monthly premium, your access to specialists, and how much freedom you have to see out-of-network doctors.
Key takeaways
- HMOs cost less but require staying in-network for non-emergency care. Most also require referrals to see specialists.
- PPOs cost more but let you see out-of-network doctors — usually at higher cost-sharing. No referrals needed.
- If your doctors are all in one local health system, an HMO often works perfectly and saves money.
- If you travel often, see out-of-area specialists, or want flexibility, a PPO is usually worth the higher premium.
How Medicare Advantage HMOs work
An HMO (Health Maintenance Organization) is a Medicare Advantage plan with a defined local network. To get coverage at the in-network rate, you generally must:
- Choose a primary care physician (PCP) from the plan's network. Your PCP coordinates your care.
- Get a referral from your PCP before seeing a specialist (some HMOs are now waiving referrals — ask).
- Use in-network providers for all non-emergency care. Out-of-network care is usually NOT covered, except for true emergencies and urgent care.
- Use the plan's preferred pharmacies and labs for the lowest copays.
The trade-off for that structure is cost: HMOs typically have $0 or very low monthly premiums, lower copays for in-network primary care, and often include extras like dental, vision, hearing, and OTC benefits.
How Medicare Advantage PPOs work
A PPO (Preferred Provider Organization) gives you more flexibility:
- No PCP required in most PPOs (some still recommend you have one).
- No referrals needed to see specialists in or out of network.
- Out-of-network care is covered — but at higher cost-sharing. You'll typically pay 20-50% more for out-of-network providers.
- Larger networks than HMOs in most cases, often spanning multiple states.
The trade-off: PPOs usually have higher monthly premiums than HMOs, sometimes $30-100/month more. Some PPOs have $0 premiums in competitive metros, but the average PPO premium runs $15-50/month higher than the comparable HMO.
When an HMO is the right fit
An HMO usually works best if:
- All your doctors and your hospital are in the same local health system.
- You're comfortable getting referrals to see specialists.
- You stay in your home area year-round (don't winter elsewhere).
- You want the lowest possible premium and copays — HMOs typically offer richer extras (dental, OTC, transportation) for the same money.
When a PPO is the right fit
A PPO is usually worth the higher cost if:
- You travel often or are a snowbird (winter in another state).
- You see specialists at multiple unrelated health systems.
- You want to keep open the option of seeing an out-of-area specialist (e.g. Mayo Clinic, MD Anderson).
- You don't want to deal with referrals or PCP coordination.
- Your preferred specialist is out of network in the local HMOs — PPO can still cover them.
Questions about your specific situation?
A licensed SilverEdge advisor can walk through your exact options in 15 minutes by phone — free, no pressure.