HMO, HMO-POS, and PPO:
What’s the Difference?
Most people pick a Medicare Advantage plan based on the monthly premium and the benefits list — and never really understand what the plan type means until something goes wrong. This page changes that.
The Short Version First
When you enroll in Medicare Advantage, you’re not just picking benefits — you’re picking a set of rules that govern how and where you can get care. Those rules are defined by the plan type. (If you’re still deciding whether Medicare Advantage or a Medigap supplement is right for you, start there first.) Before we go deep on plan types, here’s the one-sentence version of each:
You must use the plan’s network of doctors, get a referral to see specialists, and stay within your service area for all non-emergency care.
Same as an HMO, with one addition: a limited ability to go out-of-network in certain situations — usually at a significantly higher cost.
You can see any doctor who accepts Medicare — in or out of network, without a referral. You pay less in-network, more out-of-network, but you always have access.
HMO: The Most Structured Plan
An HMO is built around one idea: keep care coordinated and in-network. In exchange for accepting those restrictions, you typically get the lowest premiums, the lowest copays, and the lowest out-of-pocket maximum of any Medicare Advantage plan type.
The four rules that define an HMO
The plan covers care within a defined geographic region — usually one or more counties. Non-emergency care outside that area is not covered, regardless of what’s available in that location.
Your PCP manages your overall care and issues referrals to specialists. Without a referral from your PCP, you generally cannot see a specialist and have it covered.
There is no reduced out-of-network rate — it simply isn’t covered. Except in a genuine emergency, going outside the network means you pay 100% of the cost yourself.
Because the plan manages costs by keeping care in-network and coordinated, HMOs typically offer lower premiums, lower specialist copays, and a lower maximum out-of-pocket than PPOs.
What about emergency care?
Federal law requires every Medicare Advantage plan — including HMOs — to cover emergency care anywhere in the United States. If you have a heart attack while visiting family in another state, you go to the nearest ER and the plan covers it.
What’s not covered is non-emergency care outside your service area. A routine follow-up with your cardiologist while spending three months away? That’s where an HMO leaves you exposed.
The honest trade-off: An HMO rewards you with lower costs when you stay in-network and in your service area. Step outside either boundary for non-emergency care and you’re on your own financially.
HMO-POS: An HMO With a Limited Escape Hatch
An HMO-POS works exactly like an HMO — same network rules, same referral requirements, same service area. The one difference is the “Point of Service” option: a limited ability to receive care outside the network, usually at a higher cost.
The POS benefit varies significantly by plan. Some plans offer real out-of-network access at predictable rates. Others make the out-of-network option so expensive — sometimes 40–50% coinsurance — that it’s only useful as a genuine last resort. You must read your specific plan’s Summary of Benefits to understand what the POS benefit actually covers and what it costs.
| Feature | HMO | HMO-POS |
|---|---|---|
| In-network care | Covered at low cost | Covered at low cost |
| Referral required for specialists | Yes | Yes (in-network) |
| Out-of-network care covered? | Emergency only | Limited — at higher cost |
| Service area restriction | Yes | Mostly yes |
| Typical cost vs. HMO | Baseline | Slightly higher |
In practice, most people on an HMO-POS use their in-network providers for everything and never touch the POS option. The real value of the “escape hatch” depends entirely on what your specific plan’s Summary of Benefits says about out-of-network cost-sharing.
PPO: The Most Flexible Plan
A PPO gives you freedom. You can see any doctor who accepts Medicare — anywhere in the country — without a referral and without worrying about network restrictions. That flexibility is genuine. It also comes at a real cost.
The four rules that define a PPO
You can see any doctor, specialist, or hospital that accepts Medicare — in any state — without a referral. No service area, no gatekeeper, no permission required.
In-network care costs less. Out-of-network care costs more. Both are covered. The plan sets specific copays and coinsurance rates for each tier in the Summary of Benefits.
You can go directly to any specialist without routing through your primary care doctor. This matters when managing multiple conditions or when speed of access is important.
PPOs typically carry higher premiums, higher copays, and a higher MOOP than comparable HMO plans. There are also two MOOP numbers to watch: one for in-network, one for combined in- and out-of-network.
What does out-of-network actually cost on a PPO?
This is the question most people forget to ask. Yes, you can see any doctor — but what will it cost? Here are typical ranges across 2026 Medicare Advantage PPO plans:
| Service | Typical In-Network Cost | Typical Out-of-Network Cost |
|---|---|---|
| Primary care visit | $0 | $40 – $80 |
| Specialist visit | $30 – $55 | $75 – $150 |
| Inpatient hospital (per day) | $300 – $500 | $600 – $1,200 |
| Outpatient surgery | 10 – 20% coinsurance | 40 – 50% coinsurance |
| Maximum out-of-pocket (MOOP) | $4,000 – $7,550 | $10,000 – $14,000 combined |
Typical ranges based on 2026 Medicare Advantage PPO plans. Your specific plan’s Summary of Benefits governs actual costs. Note: drug costs under Part D are separate and vary significantly by plan.
Watch both MOOP numbers: When you use out-of-network care, those costs count toward the combined MOOP — not the in-network limit. If a plan shows a $6,700 in-network MOOP and a $10,100 combined MOOP, heavy out-of-network use could expose you to the higher figure. Know both numbers before you enroll. See real-life cost examples to understand what these numbers mean in practice.
HMO vs. HMO-POS vs. PPO — Side by Side
When Plan Type Actually Matters: 6 Common Situations
Plan type rarely shows up in your day-to-day care. It shows up in specific situations — often stressful ones. Here’s how each plan type handles six scenarios that come up all the time.
You Have a Medical Emergency While Traveling Out of State
The situation: You’re visiting family in another state when you experience chest pain. An ambulance takes you to the nearest hospital emergency room.
Covered. Federal law requires all Medicare Advantage plans to cover emergency care anywhere in the U.S. You pay your normal ER copay.
Covered. Same federal rule — emergency care is covered everywhere under all Medicare Advantage plan types.
Covered. At in-network rates if the hospital participates in your PPO network, out-of-network rates otherwise — but covered either way.
You’re a Snowbird — Three Months in Another State Each Winter
The situation: You live in Minnesota but spend November through February in Arizona. You need a routine visit for a respiratory infection and a follow-up with your cardiologist while you’re there. Neither is an emergency.
Not covered. You’re outside your service area for non-emergency care. You pay every dollar out of pocket — easily $300–$600+ for two routine visits.
Possibly covered. Depends entirely on whether your plan’s POS benefit extends out-of-state and what the cost-sharing looks like. Read your Summary of Benefits carefully before assuming.
Covered. You find a local doctor who accepts Medicare and pay your out-of-network copay — typically $40–$80 for primary care, $75–$150 for a specialist visit.
Your Specialist Leaves Your Plan’s Network Mid-Year
The situation: You’ve seen the same cardiologist for five years. In March, you get a letter saying they’ve left your plan’s network. Your next appointment is scheduled for next month.
Must find a new doctor. Seeing your current cardiologist means paying 100% out of pocket. You’ll need a new PCP referral to a new in-network cardiologist and start that relationship from scratch.
May be able to continue. If your POS benefit covers the specialty, you could keep seeing them out-of-network at higher cost-sharing. Verify with your plan before assuming coverage.
Care is uninterrupted. You continue seeing your doctor and now pay the out-of-network specialist rate — typically $75–$150 per visit. No disruption to your care.
You Want a Second Opinion at a Major Medical Center
The situation: Your doctor has recommended surgery. You want a second opinion from a specialist at a well-known academic medical center — but that center isn’t in your plan’s network.
Not covered. You pay full price for the consultation — which at a major academic center can easily run $400–$800 or more. Most people either skip the second opinion or absorb the cost out of pocket.
Possibly covered. If specialist consultations fall under your POS benefit, you may get partial coverage at higher cost-sharing than in-network rates.
Covered at out-of-network rates. You see the specialist and pay the out-of-network copay or coinsurance — a real cost, but not full price.
A Major Health Event — You Hit Your Out-of-Pocket Maximum
The situation: You’re diagnosed with a serious condition requiring hospitalization, surgery, and months of specialist follow-up. Your costs are climbing. Once you hit your plan’s MOOP — what do you owe after that?
$0 — and the ceiling is lowest. Once you hit the in-network MOOP (often $3,500–$5,500), the plan pays 100% of covered costs for the remainder of the year. One clear limit.
$0 after MOOP for in-network care. Similar protection to an HMO. Any out-of-network POS costs may count toward a separate limit — verify in your plan documents.
$0 after MOOP — but the ceiling is higher. The in-network MOOP can be $6,700+, and if you used out-of-network care, your combined MOOP could reach $10,000–$14,000 before the plan covers 100%.
You Need to See a Specialist Quickly — Without a Referral Wait
The situation: You have a concerning symptom and want to see a dermatologist directly. You’d rather not wait days or weeks for a primary care appointment and a referral first.
Referral required. You call your PCP, describe the symptom, and wait for the referral to be processed. Depending on availability, this can take days to weeks before you get into the specialist.
Referral required for in-network. Same process as an HMO for covered specialist care. The POS option may allow a direct out-of-network visit at higher cost-sharing.
No referral needed. You find a dermatologist who accepts Medicare, call and make an appointment. You pay your specialist copay. That’s the entire process.
Which Plan Type Is Right for You?
There’s no universally right answer. The right plan type depends on how you live, where you live, how you use healthcare, and who your doctors are.
An HMO may be right for you if…
- You live in one place year-round
- All your current doctors are already in the network
- You want the lowest possible out-of-pocket maximum
- You’re comfortable working through a PCP for referrals
- Keeping annual costs as low as possible is your top priority
An HMO-POS may be right for you if…
- You mostly stay local but occasionally need flexibility
- Your key doctors are in the plan’s network
- You want a modest safety net beyond a pure HMO
- You want lower costs than a PPO with slightly more protection than an HMO
A PPO may be right for you if…
- You travel or split time between multiple states
- You have specialists you cannot afford to lose access to
- You manage a complex or serious ongoing health condition
- You want direct specialist access without referrals
- Flexibility matters more than the lowest possible cost
Plans vary by state and county. The specific HMO, HMO-POS, and PPO options available to you — and their costs — depend on where you live. Browse plans available in your state: Florida · Indiana · Illinois · Texas — or learn how Medicare coverage is determined by where you live →
Not Sure Which Plan Type Fits Your Situation?
Your doctors, your medications, your travel habits, and your budget all matter. I’ll take the time to understand your situation and help you find the plan that actually fits — not just the one with the lowest premium.
Talk to Cindy — It’s FreeNot sure if Medicare Advantage is even right for you? Take the free MA vs. Medigap quiz →
(888) 588-5175 · cindy@eligry.com · Mon–Fri 9am–5pm CT
Plan type definitions and cost ranges reflect general 2026 Medicare Advantage plan structures and may vary by carrier, plan, and county. Cost ranges are illustrative typical ranges — your specific plan’s Summary of Benefits governs actual costs. Always review the Evidence of Coverage and Summary of Benefits before enrolling. Cindy Kowalski is a Licensed Independent Medicare Advisor, not affiliated with or endorsed by any Medicare Advantage carrier. NPN: 21601670.