Medicare in Montana: Comprehensive 2025 Plans, Enrollment Guide, and Expert Tips
Explore detailed insights on Medicare in Montana, including Original Medicare (Parts A & B), Medicare Advantage (Part C), prescription drug plans (Part D), and Medigap supplemental coverage.
Montana residents can choose from 29 Medicare Advantage plans, 16 standalone prescription drug plans, and 12 Medigap supplemental insurance options. Availability and plan specifics vary depending on your location within the state.
Medicare is a federal health insurance program designed for individuals aged 65 and older, as well as younger individuals with certain disabilities or qualifying health conditions.
Medicare is divided into four main parts:
- Part A (hospital insurance) and Part B (medical insurance) together form Original Medicare.
- Part C, known as Medicare Advantage, offers an alternative way to receive Medicare benefits.
- Part D covers prescription medications.
Those enrolled in Original Medicare can also opt for Medigap plans to help cover additional out-of-pocket expenses.
Key Medicare Statistics and Updates for Montana
According to the Centers for Medicare & Medicaid Services (CMS), Montana has 260,311 Medicare beneficiaries enrolled.
For the 2025 plan year, CMS highlights several important trends:
- The average monthly premium for Medicare Advantage plans has dropped by $6.97, falling from $23.98 in 2024 to $17.01 in 2025.
- The number of Medicare Advantage plans has increased from 27 to 29.
- Nearly all Medicare beneficiaries (99.5%) in Montana can enroll in a Medicare Advantage plan, many offering $0 premiums.
- All Original Medicare enrollees have access to standalone prescription drug plans.
- There are 16 prescription drug plans available, with the lowest monthly premium starting at $0.
- Approximately 63% of prescription drug plan enrollees have options to switch to plans with lower premiums compared to 2024.
- Roughly 19% of prescription drug plan participants receive Extra Help benefits.
Understanding Your Medicare Choices in Montana
Each Medicare component offers unique coverage benefits, making it essential to understand how they fit your individual health needs.
Original Medicare (Parts A & B)
Original Medicare is a nationwide program comprising Part A (hospital insurance) and Part B (medical insurance). Eligibility is generally automatic for most individuals aged 65 and older.
Most Montanans qualify for premium-free Part A. For 2025, the estimated standard monthly premium for Part B is $185, though this may vary based on income levels.
Medicare Advantage (Part C)
Medicare Advantage plans are offered by private insurers that combine Part A and Part B coverage with additional benefits such as vision, dental, hearing, and often prescription drug coverage.
Leading providers in Montana include:
- Blue Cross and Blue Shield of Montana
- Humana
- PacificSource Medicare
- UnitedHealthcare
Coverage areas and costs differ by plan, so reviewing plan details carefully is crucial.
Standalone Prescription Drug Plans (Part D)
To qualify for Part D, you must be enrolled in Part A or Part B. Montana offers 16 prescription drug plans from various insurers, including:
- Aetna Medicare
- Cigna Healthcare
- Humana
- MedicareBlue Rx
- UnitedHealthcare
- Wellcare
Plan coverage and costs vary by provider and region.
Medigap (Supplemental Insurance)
Medigap policies, offered by private companies, supplement Original Medicare by covering deductibles, copayments, and coinsurance, reducing your out-of-pocket expenses.
Montana residents can select from 12 Medigap plan types, including A, B, C, D, F, G, K, L, M, and N, with some available in high-deductible versions.
Notable insurers providing Medigap plans in Montana include:
- Ace Property and Casualty Insurance Company
- AFLAC
- Allstate Health Solutions
- American Financial Security Life Insurance Company
- Blue Cross Blue Shield of Montana
- Cigna National Health Insurance Company
- Humana Insurance Company
- Mutual of Omaha Insurance Company
- UnitedHealthcare/AARP
- USAA Life Insurance Company
- Many others
Plan availability and pricing depend on the insurer and your location.
Medicare Enrollment Guidelines in Montana
You qualify for Medicare if you:
- Are 65 years or older.
- Are a U.S. citizen or have been a lawful resident for at least five consecutive years.
Individuals under 65 may qualify if they:
- Have received Social Security Disability Insurance (SSDI) or Railroad Retirement Board (RRB) benefits for 24 months.
- Have end-stage renal disease (ESRD) or have undergone a kidney transplant.
- Have amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease.
Enrollment Periods to Remember
Enrollment is limited to specific windows each year:
- Initial Enrollment Period (IEP): Seven months total — three months before, the month of, and three months after your 65th birthday.
- Annual Open Enrollment Period (OEP): October 15 to December 7 — enroll, switch, or drop plans.
- Medicare Advantage OEP: January 1 to March 31 — make changes if already enrolled in Medicare Advantage.
- Medigap Enrollment Period: Six months following your 65th birthday.
Special Enrollment Periods may apply for qualifying life events, allowing changes outside of these windows.
Helpful Tips for Choosing Medicare Plans in Montana
- Check provider networks: Ensure your preferred doctors and hospitals accept your Medicare Advantage plan.
- Review prescription coverage: Compare your current medications against plan formularies for cost and coverage.
- Consider travel needs: Some plans offer coverage outside your primary service area, ideal for frequent travelers.
- Evaluate plan ratings: CMS rates plans from one to five stars; higher ratings indicate better quality.
Montana Medicare Support and Resources
For assistance, Medicare’s helpline is available 24/7 (except federal holidays) at 1-800-633-4227 (TTY: 1-877-486-2048).
Personalized counseling is offered through Montana’s State Health Insurance Assistance Program (SHIP) at 1-800-551-3191.
Summary
Over 260,000 Montanans rely on Medicare for their healthcare coverage.
A wide array of private insurers provide Medicare Advantage, Medigap, and prescription drug plans statewide.
Notably, Medicare Advantage premiums have decreased in 2025, offering more affordable options for Montana beneficiaries.
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