Medicare Advantage · Montrose County, Colorado · Plan year 2026

Will your doctor be in network? Medicare Advantage HMO vs PPO in Montrose County for 2026

The premium on a Medicare Advantage plan is the number everyone compares. The network is the number nobody can see — and in Montrose County, where 10 of the 11 plans open to everyone are PPOs, it is the rule set that decides whether your doctor, your hospital and your specialist in Grand Junction are a covered visit or a bill.

Bemis Insurance Data Desk

Reviewed by Trinity Bemis, Licensed Insurance Broker & Medicare Specialist (NPN 21424070) · Published 2026-09-09

The short answer

A Medicare Advantage plan's provider network is a list of doctors, hospitals and clinics that have signed a contract with that specific plan for that specific year. Whether your doctor is on it is a fact you have to check with the plan — Medicare does not keep the list, and the answer can change in January. The plan type tells you what happens when you see someone who is not on it: an HMO generally makes you pay the full cost, a PPO covers the visit at a higher share.

In Montrose County that distinction is less theoretical than most places. Of the 11 Medicare Advantage plans open to general enrollment in CMS's 2026 landscape file, 10 are PPOs. Nationally it runs the other way — 61% of enrollees are in HMOs and 38% in local PPOs. So the question here is rarely "can I go out of network" and more often "what does out of network cost, and which doctors are in it to begin with."

Behind both questions sits a federal rule set most people never hear about. CMS requires every network plan to meet maximum drive-time and distance standards for more than forty kinds of providers, and those standards are set county by county. Montrose County is classified Rural, which means the network can be a good deal thinner, and farther, than it could be in Grand Junction and still be approved.

For context on the numbers sitting alongside all this in 2026: the standard Part B premium is $202.90 a month and the Part B deductible is $283. You pay the Part B premium whether you choose Original Medicare or a Medicare Advantage plan, including a plan with a $0 plan premium.

Sources: Medicare.gov — Compare types of Medicare Advantage Plans · CMS — Medicare Advantage / Part D Landscape files (plan premiums and benefits by county), CY2026 · KFF — Medicare Advantage in 2026: Premiums, Out-of-Pocket Limits, Supplemental Benefits, and Prior Authorization (June 5, 2026) · eCFR — 42 CFR 422.116, network adequacy · Medicare.gov — Medicare costs. Plan year 2026, retrieved September 2026.

Sources: CMS — Medicare Advantage / Part D Landscape files (plan premiums and benefits by county), CY2026 · CMS — Medicare Advantage Applications: 2026 HSD Reference File (county designations, time, distance and minimum provider criteria), updated December 17, 2025 · eCFR — 42 CFR 422.111, disclosure requirements (paragraph (e), changes to provider network) · CMS — Medicare Monthly Enrollment (data.cms.gov), calendar year 2025. Plan year 2026.

HMO, HMO-POS, PPO: what the letters mean for your doctor

Every Medicare Advantage plan name ends in a set of letters in parentheses. They are not marketing. They tell you which federal plan type the contract is, and the plan type sets the network rules. Medicare.gov's own descriptions are the cleanest summary, so the table below uses them.

Source: Medicare.gov — Compare types of Medicare Advantage Plans · Medicare.gov — Health Maintenance Organizations (HMOs) · Medicare.gov — Preferred Provider Organizations (PPOs). Quoted language is Medicare.gov's. Retrieved September 2026.

Three things the table does not say, and that matter here:

• Every type covers emergencies and urgent care anywhere in the United States. Medicare.gov's PPO page puts it in four words: "You're always covered for emergency and urgent care." The network question is about routine, scheduled care — the kind you have a relationship with.
• "In network" is plan-specific, not company-specific. A doctor who takes one insurer's PPO may not be contracted with that same insurer's HMO, or with a different PPO from the same company. Check the exact plan name and number.
• A PPO's out-of-network promise has a condition. The provider has to participate in Medicare or accept assignment, and — as the next sections explain — they are not obliged to treat you as a plan member at all.

What is actually for sale in Montrose County for 2026

CMS publishes a landscape file every fall listing every Medicare Advantage plan by county, with its type, premium and in-network out-of-pocket limit. Here is what that file shows for Montrose County in 2026, for plans anyone with Parts A and B can join. The eight Special Needs Plans — seven for people who also have Medicaid, one for people living in a nursing facility — are left off because they have their own eligibility rules.

Source: CMS — Medicare Advantage / Part D Landscape files (plan premiums and benefits by county), CY2026, March 2026 refresh, Montrose County, Colorado; plans open to general enrollment only, sorted by out-of-pocket limit. Premium is the monthly consolidated Part C + D plan premium and is paid in addition to the $202.90 Part B premium. Listing is not a recommendation or an endorsement. We do not offer every plan available in your area. Plan year 2026.

Read the table for its shape, not for a winner. Every general-enrollment plan but one is a PPO. The in-network out-of-pocket limits — the most you pay in a year for covered Part A and B services from network providers — span from $3,800 to $7,850, roughly a two-to-one range, and they move in the opposite direction from the premium. Plans with a drug benefit have a separate 2026 Part D out-of-pocket cap. And the federal ceiling for 2026 is $9,250 in network and $13,900 for in- and out-of-network combined; a PPO's combined limit is the number to ask for, because that is the one that applies if your care drifts out of network.

The county-by-county picture on the Western Slope is uneven in a way that surprises people who assume Medicare works the same everywhere.

Source: CMS — Medicare Advantage / Part D Landscape files (plan premiums and benefits by county), CY2026, March 2026 refresh. Counts are Medicare Advantage and MA-PD plans open to general enrollment; Special Needs Plans excluded. Garfield County's only 2026 listings are two dual-eligible Special Needs Plans. Plan year 2026.

Mesa and Delta counties have real HMO choices, several of them built around a single local health system. Montrose, Ouray and Pitkin counties are PPO-only or nearly so. Garfield County has nothing open to the general public. That is not Medicare's decision — insurers choose which counties to file in each year, and they can leave. Which is exactly why the network you buy in October is a one-year arrangement.

How far can a plan make you drive? CMS's rural standards

Before CMS lets a Medicare Advantage plan sell in a county, the plan has to prove its network is "adequate." The rule is 42 CFR 422.116, and the first thing it does is sort every county in the country into one of five types by population and density: Large Metro, Metro, Micro, Rural, and Counties with Extreme Access Considerations (CEAC). Each type gets its own maximum drive time and distance for each of 28 provider specialties and 14 facility types.

In CMS's 2026 reference file, Montrose County is designated Rural. Mesa and Garfield counties are Micro, Delta and Pitkin are Rural, and Ouray is CEAC. For Montrose, that produces these ceilings — the farthest a plan may put the nearest contracted provider from at least 85% of the county's beneficiaries, and the fewest providers of each kind it must have under contract.

Sources: CMS — Medicare Advantage Applications: 2026 HSD Reference File (county designations, time, distance and minimum provider criteria), updated December 17, 2025, Montrose County, Colorado (Rural) · eCFR — 42 CFR 422.116, network adequacy · NPPES NPI Registry (CMS), individual providers with a Montrose, CO practice address by primary taxonomy, searched September 9, 2026. NPI counts are registrations, not a network or a list of who accepts Medicare or new patients. Plan year 2026.

A few things jump out of that table once you live here:

• 40 minutes to primary care is the rule, not the exception. For a Large Metro county the same standard is 10 minutes and 5 miles. A network can satisfy Montrose County's primary care requirement with three contracted providers, as long as 85% of beneficiaries are within 30 miles of one of them.
• The West End is where the math gets thin. The NPI Registry lists 1 family medicine provider with a Naturita practice address and 0 in Nucla. From Naturita to Montrose is well over an hour. The 85% threshold means a plan can meet the standard while a share of the county — and it is not hard to guess which share — sits outside it.
• Telehealth counts. Under 422.116(d)(5), a plan that contracts with telehealth providers in a listed specialty gets a 10 percentage points credit toward the 85%. Primary care, cardiology, dermatology, psychiatry, endocrinology and outpatient behavioral health are all on the list. In practice that means 75% in-person coverage plus a telehealth contract can pass.
• Heart and critical care can legitimately be two hours away. Cardiac surgery, catheterization and intensive care carry a 145 minutes standard in a Rural county. That is a Grand Junction drive, and the rule says it is adequate.
• Exceptions exist. Where providers "are not available" in CMS's own supply file, a plan may request an exception if it has contracted with others who are "currently available and accessible to most enrollees." Approval turns on whether CMS finds that the exception serves the interests of beneficiaries.

None of this means a Montrose plan's network is bad. It means the federal floor is low in a Rural county, so the floor is not the thing to rely on. The directory is.

Sources: eCFR — 42 CFR 422.116, network adequacy, paragraphs (c), (d)(4)–(5) and (f) · CMS — Medicare Advantage and Section 1876 Cost Plan Network Adequacy Guidance (December 9, 2024) · NPPES NPI Registry (CMS). Retrieved September 2026.

What you pay when you go out of network

Three rules govern the moment you sit down in a waiting room that is not on your plan's list.

In an HMO, the visit is generally not covered. Medicare.gov: "If you get health care outside the plan's network, you may have to pay the full cost." The exceptions are emergency care, urgently needed care when you are away from the service area, and temporary out-of-area dialysis. An HMO-POS plan adds a defined set of services you can get out of network for a higher copayment — read the Evidence of Coverage to see which ones.

In a PPO, the visit is covered at the plan's out-of-network cost sharing, which is usually higher. There is a federal protection underneath that. Under 42 CFR 422.214, a provider who does not have a contract with your plan but treats you anyway "must accept, as payment in full, the amounts that the provider could collect if the beneficiary were enrolled in original Medicare." So an out-of-network doctor seeing a PPO member cannot simply invent a price; their total — what the plan pays plus what you pay — is capped at the Original Medicare amount. Your share is whatever the PPO's out-of-network coinsurance says, and it counts toward the plan's combined out-of-pocket limit, not the in-network one.

No out-of-network provider is required to see you. This is the part the PPO brochure rarely mentions. A PPO's out-of-network benefit is a promise about what the plan will pay, not a promise that a given doctor will book the appointment. Medicare.gov conditions the PPO benefit on the provider "participating in Medicare or accept[ing] assignment," and many practices simply decline patients from plans they are not contracted with. Ask the office before you assume.

One more federal line worth knowing: whether you are in an HMO or a PPO, the in-network out-of-pocket limit cannot exceed $9,250 in 2026, and a PPO's combined in- and out-of-network limit cannot exceed $13,900. Those are ceilings. The Montrose plans above sit well under the in-network ceiling, but the combined number for each PPO is a separate figure you have to ask for.

Sources: Medicare.gov — Health Maintenance Organizations (HMOs) · Medicare.gov — Preferred Provider Organizations (PPOs) · eCFR — 42 CFR 422.214, special rules for services furnished by noncontract providers · KFF — Medicare Advantage in 2026: Premiums, Out-of-Pocket Limits, Supplemental Benefits, and Prior Authorization (June 5, 2026). Plan year 2026.

When your doctor leaves the network mid-year

You chose the plan in November because your doctor was in it. In April the practice and the insurer fail to agree on a contract. This happens, and federal rules say what the plan owes you when it does.

The notice you are owed

Under 42 CFR 422.111(e), a plan must tell you when a contracted provider's termination affects you, whether the termination was for cause or not. The timing depends on who is leaving:

• Primary care or behavioral health provider: written notice and one attempt at a phone call, at least 45 calendar days before the termination takes effect, to everyone currently assigned to that provider and everyone who has been their patient within the past three years.
• Any other provider: written notice at least 30 calendar days before the termination, to patients seen "on a regular basis" — defined as assigned to, currently receiving care from, or seen within the past three months.

CMS added the stricter primary care and behavioral health rules in its contract year 2024 regulation, reasoning that "continuity of care is essential" and that patients need time "to decide how to proceed with their course of treatment." If your doctor leaves and you hear about it from the receptionist rather than the plan, the plan has missed a federal requirement — and that is worth a call to the plan and, if needed, to 1-800-MEDICARE.

Whether you can switch

Here is the hard truth. An ordinary mid-year departure by your doctor does not, by itself, let you change plans. Outside the Annual Enrollment Period (October 15 – December 7) and the Medicare Advantage Open Enrollment Period (January 1 – March 31), you need a Special Enrollment Period, and the one that fits this situation has a gate on it.

Under 42 CFR 422.62(b)(23), when CMS determines a change in a plan's provider network to be "significant," affected enrollees get an SEP to join another Medicare Advantage plan or return to Original Medicare, with a coordinating SEP to pick up a stand-alone drug plan. You qualify if you were assigned to, receiving care from, or had received care within the past three months from a terminated provider or facility. The SEP begins the month you are notified and ends two calendar months later, and it can be used once. The plan is required to tell you about it, and CMS's guidance adds that the notice must include your Medigap guaranteed issue rights.

The word that matters is significant. CMS makes that call, plan by plan, and one doctor or one clinic leaving usually does not meet it. Medicare.gov lists the network-change SEP among situations evaluated case by case. So the practical advice is the unglamorous kind: assume that the network you buy in October is the network you have until next October, and build the choice around that.

Sources: eCFR — 42 CFR 422.111, disclosure requirements (paragraph (e), changes to provider network) · eCFR — 42 CFR 422.62, election of coverage (paragraph (b)(23), significant change in provider network) · CMS — Medicare Advantage and Part D Enrollment and Disenrollment Guidance, CY 2026 (§30.6.33, SEP for significant change in provider network) · Medicare.gov — Special Enrollment Periods. Retrieved September 2026.

The no-network option: Original Medicare and Medigap

Original Medicare does not have a network. With Parts A and B, and a Medicare Supplement (Medigap) policy if you carry one, you can see any doctor or hospital in the United States that accepts Medicare — in Montrose, in Grand Junction, in Denver, or wherever you happen to be when you need it. The Medigap policy travels too, because it pays its share of whatever Medicare approves. What you give up is the Medicare Advantage plan's annual out-of-pocket limit and its extras, and you take on the Medigap premium.

"Accepts Medicare" comes in three flavors, and the difference is money:

Sources: Medicare.gov — Does your provider accept Medicare as full payment? · Medicare.gov — Compare Medigap plan benefits · Medicare.gov — Care Compare (check whether a provider accepts Medicare assignment). Quoted language is Medicare.gov's. Plans C and F are not available to people who became eligible for Medicare on or after January 1, 2020. Plan year 2026.

You can check any doctor's status on Medicare.gov's Care Compare before the appointment. The large majority of physicians who bill Medicare are participating, and the limiting charge protects you with the rest — but it is still the one place where Original Medicare has a network-like edge, and Plan G is the tool that files it off.

Two cautions belong here, because the no-network option is not a free switch. First, Medigap is medically underwritten in most circumstances outside your six-month Medigap Open Enrollment Period and a handful of guaranteed issue situations. Leaving a Medicare Advantage plan for Original Medicare does not by itself guarantee you can buy a supplement at any price. Second, our earlier article on Medigap versus Medicare Advantage in Montrose and Delta walks the full trade-off, and the decision belongs there, not in a paragraph about networks.

Who this lands on in Montrose County

In calendar year 2025, CMS counted 13,031 Medicare beneficiaries in Montrose County. 5,710 of them — 43.8% — were in a Medicare Advantage or other Medicare health plan, and 7,321 were in Original Medicare. That is the middle of the Western Slope range: higher than Pitkin, Garfield and Ouray, lower than Mesa and Delta.

The network question is a health question, and CDC's PLACES estimates for the county's 35,363 adults describe who has it: 30.8% report arthritis, 34.1% high blood pressure, 11.5% diagnosed diabetes, 8.0% coronary heart disease, 10.7% a cancer diagnosis, 24.1% depression, and 15.0% serious difficulty walking or climbing stairs. Every one of those conditions comes with a specialist — a rheumatologist, a cardiologist, an endocrinologist, an oncologist, a counselor, an orthopedist — and in a Rural-designated county each of those specialists can be up to 60 miles from you and still count as in network. For endocrinology the standard is 90 miles. A 15.0% mobility disability rate is also a reminder that "a 75-minute drive is adequate" is a regulatory statement, not a description of anyone's Tuesday.

Then there is the shape of the county itself. Montrose the city has a hospital and a real medical community — dozens of primary care physicians in the NPI Registry, eleven cardiologists, fourteen orthopedic surgeons. Naturita has one family medicine listing and Nucla none. Olathe sits between. A plan's directory can be honest and complete and still leave a West End household driving to Montrose for everything, or to Grand Junction for anything cardiac. That is the conversation to have before October, with the directory open.

Sources: CMS — Medicare Monthly Enrollment (data.cms.gov), calendar year 2025 annual county figures · CDC PLACES — Local Data for Better Health, County Data, 2025 release, crude prevalence among adults, Montrose County, Colorado (2023 BRFSS data, 2025 release) · NPPES NPI Registry (CMS), September 9, 2026.

Seven questions to settle before October 15

The Annual Enrollment Period runs October 15 – December 7. Plans can start showing 2026-to-2027 materials on October 1. Here is the network homework to do before then, in order.

1. Write down every provider you actually use. Primary care, each specialist, the hospital you would choose, your physical therapist, your pharmacy. Include the ones in Grand Junction or Delta. This list is the whole exercise.
2. For each plan you are considering, search its own 2027 directory — not a third-party site — for each name. Match the exact plan name and number. Record the date you looked.
3. Call each office and ask two questions. "Are you in network with this exact plan for next year?" and "Are you accepting new patients under it?" Directories can say yes when the front desk says no.
4. Ask the plan for the combined out-of-pocket limit, not just the in-network one. For a PPO, the combined number is the one that protects you if a visit drifts out of network.
5. Read the Evidence of Coverage section on out-of-network care. For an HMO-POS, find the exact list of services the point-of-service option covers. For a PPO, find the out-of-network coinsurance percentage for a specialist visit and for a hospital stay.
6. Ask what happens if a provider leaves. You now know the federal minimums — 45 calendar days and 30 calendar days — so ask whether the plan offers anything beyond them, such as continuity-of-care arrangements for ongoing treatment.
7. Compare the answer to Original Medicare with a supplement, honestly. If the providers you need are not in any plan's network, or only at the edge of it, the no-network option deserves a fair look — with its premium and its underwriting rules on the table.

If you already have a plan and your doctors are all in it, the homework is shorter: confirm they are still in it for next year, because that is the one thing the Annual Notice of Change letter does not tell you.

We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area. Please contact Medicare.gov, 1-800-MEDICARE, or your local State Health Insurance Assistance Program (SHIP) to get information on all of your options. Bemis Insurance is a licensed independent insurance agency. Not connected with or endorsed by the United States government or the federal Medicare program. This article is education, not advice — confirm your own coverage, costs, eligibility and deadlines with Medicare.gov, with your plan, or with a licensed agent before you act. Figures above are the 2026 Original Medicare cost-sharing amounts published by Medicare.gov; Medicare Advantage plan type descriptions published by Medicare.gov; the network adequacy rules at 42 CFR 422.116 and CMS's 2026 HSD Reference File; the provider termination notice rules at 42 CFR 422.111(e); the Special Enrollment Period at 42 CFR 422.62(b)(23) as described in CMS's CY2026 Enrollment and Disenrollment Guidance; the noncontract provider payment rule at 42 CFR 422.214; 2026 out-of-pocket limits reported by KFF; plan availability, premiums and out-of-pocket limits from the CMS CY2026 Medicare Advantage / Part D Landscape file; CMS county enrollment counts for calendar year 2025; NPPES NPI Registry counts as of September 9, 2026; and CDC PLACES county estimates from the 2025 release. Each is linked to its source. Plan names appear as published by CMS and their inclusion is not an endorsement; plan networks, premiums and availability change each year. Enrollment in any plan depends on contract renewal.

Sources

• Medicare.gov — Compare types of Medicare Advantage Plans
• Medicare.gov — Health Maintenance Organizations (HMOs)
• Medicare.gov — Preferred Provider Organizations (PPOs)
• Medicare.gov — Does your provider accept Medicare as full payment?
• Medicare.gov — Care Compare (check whether a provider accepts Medicare assignment)
• Medicare.gov — Medicare costs
• eCFR — 42 CFR 422.116, network adequacy
• CMS — Medicare Advantage Applications: 2026 HSD Reference File (county designations, time, distance and minimum provider criteria), updated December 17, 2025
• CMS — Medicare Advantage and Section 1876 Cost Plan Network Adequacy Guidance (December 9, 2024)
• eCFR — 42 CFR 422.111, disclosure requirements (paragraph (e), changes to provider network)
• eCFR — 42 CFR 422.62, election of coverage (paragraph (b)(23), significant change in provider network)
• CMS — Medicare Advantage and Part D Enrollment and Disenrollment Guidance, CY 2026 (§30.6.33, SEP for significant change in provider network)
• Medicare.gov — Special Enrollment Periods
• eCFR — 42 CFR 422.214, special rules for services furnished by noncontract providers
• CMS — Medicare Advantage / Part D Landscape files (plan premiums and benefits by county), CY2026
• Medicare.gov — Compare Medigap plan benefits
• KFF — Medicare Advantage in 2026: Premiums, Out-of-Pocket Limits, Supplemental Benefits, and Prior Authorization (June 5, 2026)
• CMS — Medicare Monthly Enrollment (data.cms.gov)
• CDC PLACES — Local Data for Better Health, County Data, 2025 release
• NPPES NPI Registry (CMS)
• Medicare.gov — Find health & drug plans
• Medicare & You 2026 (official handbook)
• Colorado Division of Insurance — Senior health care and Medicare (SHIP)
• SHIP National Technical Assistance Center — find your local SHIP