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2027 Medicare Advantage Plans in Yellowstone County, MT

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In Yellowstone County, MT, there are 12 Medicare Advantage plans available for 2027. Of these, 6 offer a $0 monthly premium, and about 100% are rated 4 stars or higher based on CMS quality ratings.

At a Glance

Average Monthly Premium
$17.80/mo
Plans with $0 Premium
6
Average MOOP Limit
$6,835 ($9,250 max. in 2027)
Star Ratings (Plan Mix)
4+ Stars: 100% · 3 Stars: 0% · Below 3: 0%
Average Part D Deductible
$618.75
Total MA/MAPD Enrollment
8,439
Plans with the Highest Enrollment
(as of October 5, 2026)
1. HumanaChoice H5216-457 (PPO) — 3,495 enrollees
2. Humana Value Choice (PPO) — 1,685 enrollees
3. Humana Gold Plus H6622-007 (HMO) — 1,567 enrollees

Medicare Advantage Special Needs Plans (SNPs) are not included in the figures shown above. View Special Needs Plans in Yellowstone County, MT. Or explore all Medicare Options available in Yellowstone County, MT. To understand how local plans fit into the broader market, visit our Montana Medicare Advantage plan directory for statewide plan counts, premiums, out-of-pocket limits, CMS ratings, and enrollment data.

Medicare Advantage PPO Plans

Preferred Provider Organization (PPO) plans allow members to use both in-network and out-of-network providers. Out-of-network care typically costs more, but PPOs offer greater flexibility in how care is accessed.

Total PPO Plans
8
Average Monthly Premium
$19.63/mo
Total PPO Enrollment
6,539
$0 Premium PPO Plans
5
Average MOOP
$7,038
Top PPO by Enrollment
HumanaChoice H5216-457 (PPO) — 3,495 enrollees
PPO Plans Without Drug Coverage
2

PPO Medicare Advantage plan comparison – Yellowstone County, Montana, 2027
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
Humana Essentials Plus Giveback
☆☆☆☆☆
 $0 $8,400 $700 H7617-024-0
Humana Full Access
☆☆☆☆☆
 $45 $6,700 $700 H7617-026-0
Humana Value Choice
☆☆☆☆☆
 $0 $6,550 $500 H7617-030-0
Humana USAA Honor Giveback
☆☆☆☆☆
 $0 $9,150 N/A H5216-427-5
Humana USAA Honor Giveback
☆☆☆☆☆
 $0 $6,750 N/A H5216-278-3
HumanaChoice H5216-048
☆☆☆☆☆
 $97 $7,000 $700 H5216-048-0
HumanaChoice H5216-089
☆☆☆☆☆
 $15 $5,200 $450 H5216-089-0
HumanaChoice H5216-457
☆☆☆☆☆
 $0 $6,550 $500 H5216-457-1
What is the total number of PPO plans offered in Yellowstone?

Yellowstone County has 8 PPO plans for 2027, with 6,539 enrolled.

How much do PPO plans cost in Yellowstone?

The typical PPO premium in Yellowstone is $19.63, and 5 plans have no monthly premium.

Medicare Advantage HMO Plans

HMO plans typically require members to use in-network providers and facilities, except in emergencies. In return, HMOs often offer lower monthly premiums and reduced cost-sharing.

Total HMO Plans
2
Average Monthly Premium
$10.50/mo
Total HMO Enrollment
1,900
$0 Premium HMO Plans
1
Average MOOP
$6,025
Top HMO by Enrollment
Humana Gold Plus H6622-007 (HMO) — 1,567 enrollees
HMO Plans Without Drug Coverage
0

HMO Medicare Advantage plan comparison – Yellowstone County, Montana, 2027
Health Plan Name CMS Rating* Premium Per Mo MOOP PDP Ded. CMS Plan ID
Humana Gold Plus H6622-007
☆☆☆☆☆
 $21 $5,850 $700 H6622-007-0
Humana Total Complete
☆☆☆☆☆
 $0 $6,200 $700 H6622-097-0
What is the average monthly premium for HMO plans?
HMO plans in Yellowstone cost $10.50 per month on average.
Which HMO plan is most popular in Yellowstone?
The most popular HMO plan in Yellowstone is Humana Gold Plus H6622-007 (HMO), with 1,567 enrollees.
How many HMO plans in Yellowstone do not include drug coverage?
There are 0 HMO plans in Yellowstone without prescription drug coverage.

The table below shows CMS star ratings for Medicare Advantage plans in Yellowstone County, MT for 2027.

CMS Star Ratings for Medicare Advantage Plans in Yellowstone County, MT (2027)
Rating Category Number of Plans Percent of Plans
5 Stars No 5-star plans available. 0%
4 Stars (includes 5 Stars) 10 100%
3 Stars 0 0%
Below 3 Stars 0 0%
Not Rated 0 0%
Average Rating 4.15

* Medicare Advantage star ratings are determined by CMS each year using a standardized 5-star rating system.

Medicare Advantage plans listed on this page are available to eligible beneficiaries residing in Yellowstone County, Montana, including communities such as Huntley, Laurel, Shepherd, Billings, and other areas throughout the county. Plan availability is determined by county of residence, not by city.

This page presents county-level Medicare Advantage (MA/MAPD) data, including plan counts, enrollment totals, averages, and percentage distributions, derived from CMS datasets using a standardized aggregation approach.

Data sources and methodology documentation .

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Data provenance documentation is maintained in alignment with the U.S. Core Data for Interoperability (USCDI) Provenance standard .