2026 Medicare Advantage Plans in Boulder County, CO
Last update: . Enrollment data updated: May 2, 2026
For 2026, Boulder County, CO includes 42 Medicare Advantage plans. Enrollment across these plans totals approximately 21,382, with 34 $0 premium options and 46% rated 4 stars or higher.
This page and its statistics exclude Medicare Advantage Special Needs Plans (SNPs). Special Needs Plans in Boulder County, CO are summarized separately. Visit Medicare Options in Boulder County, CO to see more options.
Medicare Advantage PPO Plans
Preferred Provider Organization (PPO) plans allow members to choose care from both in-network and out-of-network providers. Out-of-network care usually costs more, but PPOs offer greater flexibility in how members access care.
- Total PPO Plans
- 18
- Average Monthly Premium
- $12.71/mo
- Total PPO Enrollment
- 3,225
- $0 Premium PPO Plans
- 13
- Average MOOP
- $6,106
- Top PPO by Enrollment
- Aetna Medicare Signature (PPO) — 586 enrollees
- PPO Plans Without Drug Coverage
- 4
- What is the average monthly premium for PPO plans in Boulder?
- PPO plans in Boulder cost $12.71 per month on average.
- Which PPO plan has the highest enrollment in Boulder?
- The most popular PPO plan in Boulder is Aetna Medicare Signature (PPO), with 586 enrollees.
- How many PPO plans in Boulder do not include prescription drug coverage?
- 4 PPO plans in Boulder do not include prescription drug coverage.
Medicare Advantage HMO Plans
Health Maintenance Organization (HMO) plans are built around a defined network of doctors and hospitals. Care is generally covered only within the network, except in emergencies, but this structure often results in lower premiums and out-of-pocket costs.
| Plan Name | CMS Stars* | Premium/Mo | MOOP | Rx Ded. | CMS ID |
|---|---|---|---|---|---|
| Kaiser Permanente Senior Advantage Core DM | $0 | $3,800 | $0 | H0630-013-0 | |
| DEVOTED CORE 004 CO | $0 | $3,900 | $370 | H7147-004-0 | |
| Anthem Medicare Advantage | $0 | $9,250 | $325 | H4346-012-0 | |
| Humana Essentials Plus Giveback H0028-063 | $0 | $6,500 | $400 | H0028-063-0 | |
| Humana Total Complete H0028-081 | $0 | $4,650 | $0 | H0028-081-1 | |
| Select Health Medicare + Kroger | $0 | $6,275 | $0 | H1994-030-0 | |
| Select Health Medicare Active | $0 | $6,750 | $0 | H1994-035-0 | |
| Select Health Medicare Essential | $0 | $4,900 | $0 | H1994-027-0 | |
| Select Health Medicare Flex | $0 | $5,900 | $0 | H1994-031-0 | |
| Select Health Medicare NoRx | $0 | $6,750 | N/A | H1994-033-0 | |
| Clear Spring Health BrightPath Advantage | $0 | $3,315 | $400 | H6379-001-0 | |
| HealthSpring Preferred | $0 | $4,700 | $250 | H0672-024-0 |
What is the total number of HMO plans offered in Boulder?
There are 12 HMO plans in 2026, covering 5,682 enrollees.
How much do HMO plans cost in Boulder?
The average HMO premium in Boulder is $0.00 per month, with 12 plans offering $0 premiums.
What is the top HMO by enrollment in Boulder?
Kaiser Permanente Senior Advantage Core DM (HMO) is the top HMO in Boulder, with 3,568 enrollees.
What is the number of HMO plans without Part D coverage in Boulder?
1 HMO plans in Boulder do not include prescription drug coverage.
Medicare Advantage HMO-POS Plans
HMO-POS plans are structured like HMOs, requiring in-network care for the lowest costs, while allowing limited out-of-network access at higher cost. This provides added flexibility compared with standard HMO plans.
- Total HMO-POS Plans
- 12
- Average Monthly Premium
- $24.42/mo
- Total HMO-POS Enrollment
- 12,475
- $0 Premium HMO-POS Plans
- 9
- Average MOOP
- $4,496
- Top HMO-POS by Enrollment
- AARP Medicare Advantage Essentials from UHC CO-2 (HMO-POS) — 4,356 enrollees
- HMO-POS Plans Without Drug Coverage
- 2
| Plan Name | CMS Stars* | Premium/Mo | MOOP | Rx Ded. | CMS ID |
|---|---|---|---|---|---|
| AARP Medicare Advantage Essentials from UHC CO-2 | $0 | $4,100 | $520 | H0609-012-0 | |
| AARP Medicare Advantage Extras from UHC CO-5 | $0 | $5,400 | $600 | H0609-048-0 | |
| AARP Medicare Advantage from UHC CO-0001 | $59 | $3,400 | $440 | H0609-007-0 | |
| AARP Medicare Advantage from UHC CO-21P | $0 | $3,900 | $520 | H0609-079-0 | |
| AARP Medicare Advantage Patriot No Rx CO-MA01 | $0 | $4,200 | N/A | H0609-018-0 | |
| Kaiser Permanente Senior Advantage Bronze DM | $0 | $5,900 | $0 | H0630-025-0 | |
| Kaiser Permanente Senior Advantage Gold | $189 | $2,900 | $0 | H0630-016-0 | |
| Kaiser Permanente Senior Advantage Silver DM | $45 | $3,000 | $0 | H0630-015-0 | |
| Aetna Medicare Eagle | $0 | $5,500 | N/A | H4711-010-0 | |
| Aetna Medicare Signature | $0 | $6,750 | $615 | H4711-008-0 | |
| AARP Medicare Advantage from UHC CO-0011 | $0 | $5,400 | $520 | H6706-001-0 | |
| Perennial Advantage Freedom | $0 | $3,500 | $0 | H3419-003-0 |
What is the average monthly premium for HMO-POS plans?
HMO-POS plans in Boulder cost $24.42 per month on average.
Which HMO-POS plan is most popular in Boulder?
The most popular HMO-POS plan in Boulder is AARP Medicare Advantage Essentials from UHC CO-2 (HMO-POS), with 4,356 enrollees.
How many HMO-POS plans in Boulder do not include drug coverage?
There are 2 HMO-POS plans in Boulder without prescription drug coverage.
CMS quality ratings for Medicare Advantage plans in Boulder County, CO (2026) are summarized below.
| Rating Category | Number of Plans | Percent of Plans |
|---|---|---|
| 5 Stars | No 5-star plans available. | 0% |
| 4 Stars (includes 5 Stars) | 18 | 46% |
| 3 Stars | 21 | 54% |
| Below 3 Stars | 0 | 0% |
| Not Rated | 3 | 7% |
| Average Rating | 3.85 | |
* CMS assigns Medicare Advantage star ratings annually based on plan quality and performance measures.
- CMS.gov, Medicare Advantage Landscape Source Files — Last accessed May 2, 2026
- CMS.gov, Medicare Part C & D Performance Data — Last accessed May 2, 2026
- CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Last accessed May 2, 2026
All plan counts, enrollment totals, averages, and percentage distributions are calculated at the county level using CMS data and include standard Medicare Advantage (MA/MAPD) plans only, based on a consistent aggregation methodology.
Data sources and methodology documentation .
- Medicare.gov, "Understanding Medicare Advantage Plans" — Last accessed 25 May, 2025
- Medicare.gov, "Compare Original Medicare & Medicare Advantage" — Last accessed 25 May, 2025
- NCOA.org, "5 Steps to Choosing the Right Medicare Plan for You" — Last accessed 25 May, 2025
MedicarePlans.com is an independent informational resource and has no affiliation with, or endorsement from, the U.S. Government or the federal Medicare program.
Data provenance is documented in accordance with the U.S. Core Data for Interoperability (USCDI) Provenance standard .
Page content independently curated and maintained by David W. Bynon, Editorial Steward, using a standardized, data-driven methodology for accurate, non-commercial Medicare plan interpretation and resolution.