Longmont, Boulder County, Colorado

Longmont, CO Medicare Plans for 2027

Longmont has the oldest population of the larger cities in this guide, so the yearly plan review matters here. This page shows what is new on the Boulder County list for 2027.

Plan data: CMS 2027 Landscape, retrieved 2026-10-14. Page reviewed 2026-10-14. Meetings by phone or video, or at the Brighton office.

  • 33 Medicare Advantage plans in Boulder County, 2027
  • 30 With a $0 Part C premium (27 with $0 for Parts C and D combined)
  • 9 Organizations offering plans
  • 27 Special Needs Plans, counted separately

Longmont Medicare at a glance for 2027

  • 33 Medicare Advantage plans for Longmont residents (Boulder County list), Special Needs Plans not counted. Of those, 30 have a $0 Part C premium, and 27 have a $0 combined monthly premium for Parts C and D (22 of those include drug coverage; 5 have no drug coverage, so no Part D premium).
  • In-network out-of-pocket maximums from $3,300 to $9,850 a year
  • 9 insurance companies offer them
  • 8 standalone Part D plans in Colorado
  • You still pay the Part B premium, $202.90 a month in 2026 (the 2027 amount is announced by CMS around November)
  • Annual Enrollment: October 15 to December 7, 2026, for coverage that starts January 1, 2027

Check your county first. Part of Longmont lies in Weld County. If your address is there, use that county’s plan list: Weld County guide.

Examples of plans with drug coverage and a $0 combined monthly premium for Parts C and D, by 2026 star rating and out-of-pocket limit

  • AARP Medicare Advantage from UHC CO-21P (HMO-POS)UnitedHealthcare · Part C + D premium $0 a month · 4.5★ (2026) · out-of-pocket max $4,200 · drug deductible $685
  • Kaiser Permanente Senior Advantage Core DM (HMO-POS)Kaiser Permanente · Part C + D premium $0 a month · 4.5★ (2026) · out-of-pocket max $4,400 · drug deductible $0
  • AARP Medicare Advantage Essentials from UHC CO-2 (HMO-POS)UnitedHealthcare · Part C + D premium $0 a month · 4.5★ (2026) · out-of-pocket max $4,450 · drug deductible $685

CMS Medicare Advantage and Part D Landscape, contract year 2027. A plan's fit depends on your doctors and prescriptions; Lisa checks both before you choose.

The community

Longmont at a glance

The Census Bureau counts about 99,400 Longmont residents, with a median age of 40.3 and 18.6% aged 65 or older, about 18,500 people. Median household income is about $90,700. The State Demography Office puts all but about 1,300 Longmont residents in Boulder County; the rest live in a Weld County part of the city.

Most Longmont addresses use the Boulder County plan list for 2027; a Weld County address uses the Weld list. Two Longmont hospitals appear in the CMS file: Longs Peak Hospital on East Ken Pratt Boulevard (5 out of 5) and Longmont United Hospital on Mountain View Avenue (3 out of 5).

How Lisa helps here. Longmont clients work with Lisa by phone or video, or at the Brighton office. She reviews your Annual Notice of Change with you and explains, in plain English, whether a new plan is worth a look.

Lisa Asmussen, Medicare broker at Headwaters Health and Wealth in Brighton, Colorado

18.6% of Longmont residents are 65 or older, against 15.6% for Colorado, and 7.2% have no health insurance.

Longmont compared with Boulder County and Colorado, U.S. Census Bureau ACS 2020 to 2024 5-year estimates
Measure Longmont Boulder County Colorado
Population 99,406 328,961 5,862,189
Residents aged 65 and over 18,520 53,942 914,002
Share aged 65 and over 18.6% 16.4% 15.6%
Median age 40.3 37.7 Not shown
Median household income $90,671 $103,994 Not shown
Share with no health insurance (all ages) 7.2% 4.4% 7.7%

Longmont spans 2 counties, and each county part uses its own plan list, so check which county your address is in first.

Longmont population by county part, 2024 (Colorado State Demography Office)
County partResidentsPlan list
Boulder County98,220Boulder County guide
Weld County1,274Weld County guide

Where can I take a Medicare class in Longmont?

Start at Longmont Senior Services, 910 Longs Peak Avenue, (303) 651-8411. The city’s resource education classes include Medicare Basics, Social Security 101, Long-Term Care Options and Long-Term Care Financial Planning.

A class gives you the general rules; the plan choice depends on your own doctors, prescriptions and hospital. For that, Lisa reviews your options free and with no obligation, by phone or video, and you can also compare plans on Medicare.gov or call 1-800-MEDICARE (1-800-633-4227).

What should I bring when I compare plans for 2027?

Whichever door you walk through, the comparison goes faster with your ANOC letter, your Medicare card, a list of your prescriptions with doses, and the names of your doctors. In Longmont, add one more line: which hospital you would use. Longs Peak Hospital on East Ken Pratt Boulevard and Longmont United Hospital on Mountain View Avenue are both in town, and a Medicare Advantage network can include one, both or neither. Original Medicare with a Medigap policy lets you use either one, as long as it accepts Medicare.

Lisa works with Longmont clients by phone or video. She can review your ANOC with you before or after a class at the senior center, so you hear the general overview and then see the actual plans that fit your list. If your address is in the small Weld County part of the city, the city points Weld County residents to 970-346-6952 for aging resources, and your plan list is the Weld County list.

What else does Longmont Senior Services do that affects my coverage?

The Longmont Senior Program was founded in 1972 with Older Americans Act funds, and the senior center opened in 1976. Today the center is owned, funded and operated by the City of Longmont. Beyond classes, its staff give referrals on housing, help in the home and healthcare, help completing forms, and help navigating Medicaid and Social Security. The center also offers a money management program, income tax assistance, and Longmont Meals on Wheels.

The long-term care classes connect directly to insurance. Medicare.gov lists what Original Medicare does not cover, including non-medical long-term care, most dental care and dentures, vision exams for prescription glasses, and hearing aids. If those gaps worry you, a Longmont class is a good first step, and Lisa can then walk you through dental, vision, hospital indemnity and short-term care policies, which are separate from your Medicare plan.

Can someone in Longmont get help paying Medicare costs?

Yes, if your income and savings are limited. Colorado’s Medicare Savings Programs are applied for through your county Department of Human Services, and Boulder County Human Services has a Longmont office at 515 Coffman Street (303-441-1000). The Boulder County Area Agency on Aging describes the tiers this way: the Qualified Medicare Beneficiary program (QMB) pays the Part B premium and takes the place of a Medicare supplement for copays, deductibles and coinsurance, while SLMB and QI-1 pay the Part B premium. All three include automatic eligibility for Extra Help with Part D drug costs.

This changes the plan decision. Someone who qualifies for QMB usually does not need to buy a Medigap policy, and may be able to look at plans designed for people with both Medicare and Health First Colorado. Lisa checks that before recommending anything.

Local sources: City of Longmont: About Senior Services · City of Longmont: Senior Services supportive services · Medicare.gov: What’s not covered · Boulder County Area Agency on Aging: Medicare Savings Program · Colorado Department of Health Care Policy and Financing: Medicare Savings Programs · CMS Hospital General Information (Provider Data Catalog)

Colorado totals are the sum of all 64 Colorado counties in the same Census release; a statewide median is not computed here. Survey estimates for small towns carry wide margins of error.

By the numbers

2027 Medicare Advantage in Boulder County

Medicare Advantage plans are approved by county, so Longmont residents see the Boulder County list (unless their address is in another county part). Figures from the CMS Landscape file for contract year 2027; Special Needs Plans are counted separately.

  • $7.61 Average monthly Part C premium
  • $13.91 Average Part C + D premium
  • 28 Plans that include drug coverage
  • $3,300 Lowest in-network out-of-pocket limit
  • $6,050 Average in-network out-of-pocket limit
  • $9,850 Highest in-network out-of-pocket limit
  • $394.14 Average Part D deductible (plans with drugs)
  • 17 Plans with a 2026 rating of 4★ or more
  • 4.04★ Average 2026 star rating (rated plans)

Two ways to count "$0 premium" plans: 30 have a $0 Part C premium, and 27 have a $0 combined monthly premium for Parts C and D (22 of those include drug coverage; 5 have no drug coverage, so no Part D premium). The average premium figures likewise show the Part C premium and the combined Part C + D premium separately. Star ratings shown are 2026 ratings: CMS published 2027 ratings on October 8, 2026, and the tables on this site still show each plan’s 2026 rating until its data snapshot is refreshed. Check a plan’s 2027 rating on Medicare.gov Plan Finder.

PPO plans are the largest group here (13 of 33), and 5 plans have no drug coverage.

Boulder County Medicare Advantage plans by type, contract year 2027 (Special Needs Plans excluded)
Plan typePlans$0 Part C premiumAverage Part C premiumAverage out-of-pocket limitWithout drug coverage
PPO 13 12 $0.69 $7,050 3
HMO-POS 12 10 $20.17 $5,192 1
HMO 8 8 $0 $5,713 1
Hospitals

Hospitals in Longmont

Medicare-certified hospitals in Longmont from the CMS Hospital General Information file, with the CMS overall star rating. A rating is not network status: check each hospital against a plan.

2 Medicare-certified hospitals are listed, 1 with a 5 of 5 CMS overall rating; whether each is in a plan’s network is a separate question.

Hospitals from the CMS Hospital General Information file, retrieved 2026-10-14
HospitalAddressEmergency servicesCMS overall rating
Longmont United HospitalAcute Care 1950 Mountain View Avenue, Longmont, CO 80501 Yes 3 of 5
Longs Peak HospitalAcute Care 1750 East Ken Pratt Boulevard, Longmont, CO 80504 Yes 5 of 5

Names, addresses, counties and emergency flags are shown as the CMS file records them, except rows marked "Corrected", which we checked against the hospital’s own website (listed under Sources).

Spotlight for Longmont

New plans on the Boulder County list for 2027

Plans the CMS crosswalk shows as new to the county for 2027, Special Needs Plans included. New plans have no star rating yet. From the Boulder County list, CMS contract year 2027.

10 plans on the Boulder County list fit this group, with monthly Part C + D premiums from $0 to $18.40.

New plans on the Boulder County list for 2027, Boulder County, contract year 2027
PlanType2026 starsPart C + D premiumOut-of-pocket limitPart D deductiblePlan ID
UHC Dual Complete CO-S4 (HMO-POS D-SNP)UnitedHealthcare HMO-POS D-SNP Not rated $18.40 $9,850 $700 H0624_008
Select Health Medicare Essential (HMO)Select Health HMO Not rated $0 $6,700 $700 H1994_045
HealthSpring Preferred (HMO)HealthSpring HMO Not rated $0 $5,150 $500 H2752_005
HealthSpring TotalCare Plus (HMO D-SNP)HealthSpring HMO D-SNP Not rated $18.40 $9,850 $700 H2752_008
HealthSpring TotalCare (HMO D-SNP)HealthSpring HMO D-SNP Not rated $18.40 $9,850 $700 H2752_009
Humana Total Complete (HMO)Humana HMO Not rated $0 $4,650 $0 H5178_003
Aetna Medicare Chronic Care (HMO C-SNP)Aetna Medicare: Cardiovascular Disorders, Chronic Heart Failure, Diabetes Mellitus HMO C-SNP Not rated $0 $6,750 $700 H5593_004
Aetna Medicare Full Dual Extra Care (HMO D-SNP)Aetna Medicare HMO D-SNP Not rated $0 $9,850 $700 H5593_005
DEVOTED C-SNP GIVEBACK EXTRAS 016 CO (HMO C-SNP)Devoted Health: Cardiovascular Disorders, Chronic Heart Failure, Diabetes Mellitus HMO C-SNP Not rated $0 $6,750 $700 H7147_016
DEVOTED GIVEBACK EXTRAS 019 CO (HMO)Devoted Health HMO Not rated $0 $6,750 $700 H7147_019

See every Boulder County plan with premiums and limits, or compare plans for your ZIP code with the plan finder.

We do not offer every plan available in your area. Currently we represent 10 organizations which offer 106 products in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options.

What changes for 2027

Boulder County plans: 2026 to 2027

Your plan mailed an Annual Notice of Change by September 30, 2026. It lists what changes on January 1, 2027: premium, deductible, out-of-pocket limit, copays, drug list and network. Compare it line by line, or bring it to Lisa.

Counting plans with drug coverage, Special Needs Plans included, the Boulder County list goes from 62 plans in 2026 to 55 in 2027, and the average in-network out-of-pocket limit moves from $6,448 to $7,154.

Boulder County: Medicare Advantage plans with drug coverage, Special Needs Plans included (CMS Landscape 2026 and 2027)
Measure20262027
Plans with drug coverage (SNPs included)6255
With a $0 combined monthly premium for Parts C and D3739
Average in-network out-of-pocket limit$6,448$7,154
Average Part D deductible$407.82$509.87
Maximum Part D deductible allowed by CMS$615$700
Part D out-of-pocket cap$2,100$2,400

These counts cover plans with drug coverage, Special Needs Plans included, so they differ from the headline count of 33, which leaves out Special Needs Plans and includes plans without drug coverage. Clear Spring Health has no Medicare Advantage plan with drug coverage in Boulder County for 2027.

10 plans on the 2026 Boulder County list end with no similar plan in the county, including Select Health Medicare + Kroger (HMO), Select Health Medicare Flex (HMO), Select Health Medicare Active (HMO). 4 more plans end while the same company offers a plan with the same or a similar name under a new plan ID (HealthSpring TotalCare (HMO D-SNP), HealthSpring TotalCare Plus (HMO D-SNP), HealthSpring Preferred (HMO) and Select Health Medicare Essential (HMO)). Members are not moved into the new plan automatically; to keep it, enroll in the new plan ID by December 7, 2026. The full list is on the Boulder County guide.

If your plan is not renewing: you receive a non-renewal letter in October. You can pick a new plan during the Annual Enrollment Period (October 15 to December 7, 2026), and a Special Enrollment Period runs through the end of February 2027. Confirm your dates on Medicare.gov. The official Medicare & You handbook explains each option.

Quality

How the 2026 stars fall

CMS rates each contract from 1 to 5 stars. This shows the 2026 rating for each of the 33 Boulder County plans. CMS published 2027 ratings on October 8, 2026; this table still shows 2026 ratings until its data snapshot is refreshed, so check a plan’s 2027 rating on Medicare.gov Plan Finder. New plans and some small contracts are not rated.

  • 4.5★ 13 plans (39%)
  • 4.0★ 4 plans (12%)
  • 3.5★ 9 plans (27%)
  • 3.0★ 1 plan (3%)
  • Not rated 6 plans (18%)

No plan on the Boulder County list has a 5-star 2026 rating.

Health profile

What is common in Longmont

Plan choice follows the conditions you actually live with, because they decide which specialists and drugs you need covered.

Compared with the Colorado county average, Longmont reads higher on copd.

Chronic condition estimates, adults 18 and over: Longmont, Boulder County and Colorado (CDC PLACES, 2023 estimates)
Measure Longmont Boulder County Colorado county average
Diagnosed diabetes 8.0% 7.1% 8.6%
High blood pressure 23.3% 21.9% 27.0%
Obesity 18.5% 16.7% 26.1%
Coronary heart disease 5.1% 4.8% 5.1%
COPD 5.4% 4.7% 5.3%
Adults 18 to 64 without health insurance 10.9% 7.8% 11.1%
Arthritis 22.1% 20.7% 22.9%
High cholesterol 31.1% 29.9% 31.5%
Stroke 2.8% 2.5% 2.7%

CDC PLACES: Local Data for Better Health, Place Data, 2025 release (2023 survey estimates), retrieved 2026-10-14. Model-based small-area estimates of crude prevalence among adults 18 and over, not a count of local diagnoses. Crude rates follow the age mix of a place: an older community reads higher on most conditions. Colorado figure: average of the 64 Colorado counties, weighted by adult population.

Next steps

Before you choose a plan in Longmont

New to terms like MOOP, HMO-POS or D-SNP? They are explained in plain English on the Boulder County page and in the guide Medicare Advantage plan types.

FAQ

Longmont Medicare questions

How many Medicare Advantage plans are available in Longmont for 2027?

Longmont uses the Boulder County plan list for most addresses. It has 33 Medicare Advantage plans for 2027 (Special Needs Plans not included) from 9 organizations. Of those, 30 have a $0 Part C premium, and 27 have a $0 combined monthly premium for Parts C and D (22 of those include drug coverage; 5 have no drug coverage, so no Part D premium). You still pay the Part B premium, which is $202.90 a month in 2026; the 2027 amount is announced around November 2026. Source: CMS 2027 Landscape file.

Which Longmont hospital has the highest CMS rating?

In the CMS Hospital General Information file, Longs Peak Hospital (1750 East Ken Pratt Boulevard) carries a 5 out of 5 overall rating and Longmont United Hospital (1950 Mountain View Avenue) a 3. The rating is not network status: check both against any plan.

Is all of Longmont in Boulder County?

Almost. About 1,300 residents live in a Weld County part of the city, and their Medicare Advantage choices come from the Weld County list. Everyone else uses the Boulder County list shown on this page.

What changes for Medicare plans in Longmont in 2027?

Counting Medicare Advantage plans with drug coverage, Special Needs Plans included, Boulder County goes from 62 plans in 2026 to 55 in 2027. (The headline count of 33 plans on this page leaves out Special Needs Plans and includes plans without drug coverage, which is why the numbers differ.) The CMS crosswalk shows 10 plans ending with no similar plan in the county, 4 plans ending while the same company offers a plan with the same or a similar name under a new plan ID (members must enroll in it themselves), 3 plans folding into another plan automatically, and 10 new plans. Clear Spring Health has no Medicare Advantage plan with drug coverage in Boulder County for 2027. Your plan’s Annual Notice of Change lists what changes for you on January 1.

What does local data say about health coverage in Longmont?

Census figures (ACS 2020 to 2024 5-year estimates) show 7.2% of Longmont residents with no health insurance, against 7.7% for Colorado. People under 65 can shop for coverage on Connect for Health Colorado, the state’s own marketplace; open enrollment for 2027 coverage starts November 1, 2026.

Provenance

Sources and methodology

How the figures are derived

  • Headline plan counts and averages exclude Special Needs Plans, which have their own eligibility rules and are reported separately.
  • "$0 Part C premium" counts plans whose Part C premium is $0. "$0 combined monthly premium for Parts C and D" counts plans whose consolidated Part C + D premium is $0 (for a plan without drug coverage, its Part C premium); our guides and blog use this second count. Out-of-pocket limits are in-network amounts. The average Part D deductible covers plans with drug coverage only.
  • The 2026 to 2027 comparison counts Medicare Advantage plans with drug coverage, Special Needs Plans included, and its "$0" row uses the combined Part C + D premium, so it differs from the headline count.
  • When the CMS crosswalk ends a plan with no successor but the same company files a plan with the same or a similar name under a new plan ID, we say so; members are not moved into the new ID automatically.
  • We do not publish per-plan enrollment: the source does not carry it, and we never estimate plan figures.

Headwaters Health and Wealth is not connected with or endorsed by the United States government or the federal Medicare program. Medicare has neither endorsed nor reviewed this information.

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Let's talk about your coverage in Longmont

Book a free, no-obligation review with Lisa in Brighton, by phone or by video. Bring your questions; leave with answers.

992 South Fourth Avenue, Brighton, CO 80601 · (303) 887-8584

Content reviewed by Lisa Asmussen, Medicare Broker and Licensed Insurance Agent at Headwaters Health and Wealth in Brighton, Colorado, certified to sell Medicare plans since 2018 (8 years). How we source and review our content. Last updated .