Is Medicare the Same as MassHealth? Understanding How They’re Different (and How They Can Work Together)

If you live in Massachusetts and are trying to sort out your health coverage, it’s very common to wonder: “Is Medicare MassHealth?”

The short answer is noMedicare and MassHealth are not the same program.

However, they can work together, and many people in Massachusetts have both. Understanding how they differ and how they coordinate can make it much easier to figure out your coverage, costs, and options.


Medicare vs. MassHealth: The Big Picture

Let’s start with the basics.

What is Medicare?

Medicare is:

  • A federal health insurance program
  • Run by the U.S. government
  • Generally for:
    • People 65 and older
    • Some younger adults with certain disabilities
    • People with specific medical conditions (such as end-stage kidney disease)

Medicare has several parts:

  • Part A – Hospital insurance (inpatient care, skilled nursing facility care, some home health and hospice)
  • Part B – Medical insurance (doctor visits, outpatient care, preventive services, some medical equipment)
  • Part D – Prescription drug coverage (offered through private plans approved by Medicare)
  • Medicare Advantage (Part C) – An alternative way to get Parts A and B (and often Part D) through a private plan approved by Medicare

In general, people qualify for Medicare based on age or disability, not current income or assets.


What is MassHealth?

MassHealth is:

  • The name for Medicaid and the Children’s Health Insurance Program (CHIP) in Massachusetts
  • A state and federal program, run by the Commonwealth of Massachusetts
  • Designed mainly for:
    • People with low or moderate incomes
    • Children and families
    • Pregnant people
    • Certain adults, seniors, and people with disabilities, depending on income and other factors

MassHealth includes different coverage types and programs, such as:

  • MassHealth Standard
  • MassHealth CommonHealth
  • MassHealth CarePlus
  • Programs that help with Medicare premiums and cost-sharing for eligible people

Eligibility for MassHealth is largely based on income, household size, and immigration status, along with age and disability in some cases.


Key Takeaway

  • Medicare = federal health insurance, based mainly on age or disability
  • MassHealth = Massachusetts Medicaid/CHIP, based largely on income and financial need

They are separate programs with different rules, but they often intersect—especially for older adults and people with disabilities.


Side-by-Side: Medicare vs. MassHealth

Here’s a simple comparison to make the differences clearer.

FeatureMedicareMassHealth (Massachusetts Medicaid)
Level of governmentFederalState + Federal (Massachusetts)
Main purposeHealth insuranceHealth coverage and financial assistance
Who it’s for65+, some disabilities, certain conditionsPeople with limited/moderate income, plus specific groups
Based on income?Generally noLargely yes
Typical enrollment basisAge or disabilityIncome, household, category (child, adult, senior, disabled)
Can you have both?Yes, if you qualify

So…Is Medicare MassHealth?

No. Medicare is not MassHealth.

But they do often interact in important ways.

Many people in Massachusetts:

  • Have Medicare only
  • Have MassHealth only
  • Or have both Medicare and MassHealth at the same time

When someone has both, they are often called “dually eligible” or “dual eligible” for Medicare and Medicaid (MassHealth).


Can You Have Both Medicare and MassHealth?

Yes. If you meet the rules for both programs, you can be enrolled in both Medicare and MassHealth.

This usually happens when:

  • You qualify for Medicare based on age (65+) or disability
    and
  • You also meet income and other requirements for MassHealth

In this situation:

  • Medicare is typically your main (primary) insurance
  • MassHealth becomes secondary coverage that can:
    • Help pay Medicare premiums
    • Help cover deductibles, coinsurance, and copays
    • In some cases, cover services that Medicare does not fully cover, such as certain long-term care services, depending on the program

How Medicare and MassHealth Work Together

When you have both programs, it can feel confusing at first. Here’s the general pattern many people experience:

1. Medicare Pays First

For most covered medical services:

  • Medicare is billed first
  • Medicare pays its share according to your plan (Original Medicare or Medicare Advantage)

2. MassHealth May Help With the Rest

After Medicare pays:

  • MassHealth may help pay some or all of the remaining costs, depending on your specific MassHealth coverage type and financial situation
  • This may include:
    • Part A and Part B deductibles
    • Coinsurance and copays
    • Certain services that Medicare limits or does not cover, when allowed by MassHealth rules

This coordination can significantly reduce out-of-pocket expenses for people who qualify.


Common Coverage Scenarios in Massachusetts

To understand how Medicare and MassHealth fit together, it helps to look at some typical situations.

Scenario 1: Medicare Only

You might have Medicare alone if:

  • You’re 65 or older (or have a qualifying disability)
  • Your income and assets are too high to qualify for MassHealth programs

In this case, your coverage decisions focus mainly on:

  • Whether to choose Original Medicare or a Medicare Advantage plan
  • Whether to add a Part D prescription drug plan
  • Whether to purchase supplemental insurance (Medigap) to help with out-of-pocket costs

MassHealth would generally not be involved.


Scenario 2: MassHealth Only

You might have MassHealth only if:

  • You meet the financial and category requirements for MassHealth
  • You are not yet eligible for Medicare (for example, you are under 65 and don’t qualify through disability or specific conditions)

In this case, MassHealth is your primary coverage, and you follow MassHealth rules for covered services, providers, and costs.


Scenario 3: Medicare and MassHealth (Dual Eligible)

You might be dually eligible if you:

  • Are 65 or older or have a qualifying disability
    and
  • Meet the income and other rules for MassHealth

In this situation:

  • Medicare is primary
  • MassHealth is secondary
  • You may also qualify for:
    • Help paying Medicare Part B premiums
    • Assistance with Part A premiums if you don’t get premium-free Part A
    • Lower or no cost-sharing for many services

Some people in this group also enroll in special plans designed for dual-eligible members (often called “Medicare-Medicaid” or “dual eligible special needs” plans), which coordinate benefits in one package. Participation in specific plan types is a personal choice and depends on eligibility and preferences.


What Does MassHealth Cover That Medicare Might Not?

Coverage details vary by program and individual situation, but in general:

  • Medicare is focused on:

    • Hospital care
    • Medical visits and outpatient care
    • Some preventive services
    • Limited skilled nursing or home health, under certain conditions
    • Prescription drugs (through Part D or a Medicare Advantage plan that includes drug coverage)
  • MassHealth may provide:

    • Additional help with premiums and cost-sharing
    • Certain long-term services and supports, in the community or in facilities, when eligibility rules are met
    • Some services for dental, transportation, or personal care, within program limits and rules

Not everyone receives every type of service. Coverage depends on which MassHealth program you qualify for and how it coordinates with your Medicare plan.


Key Terms to Know

Understanding a few common terms can make navigating Medicare and MassHealth easier:

  • Primary payer: The insurance that pays first (usually Medicare if you have both)
  • Secondary payer: The insurance that may pay after the primary (often MassHealth)
  • Dual eligible: Someone enrolled in both Medicare and Medicaid (MassHealth in Massachusetts)
  • Premium: What you pay each month to have coverage
  • Deductible: What you pay out of pocket before your plan starts sharing costs
  • Copay/coinsurance: Your share of the cost when you receive a service

How to Tell Which Program You Have

If you are unsure whether you have Medicare, MassHealth, or both, you can:

  1. Check your insurance cards

    • A red, white, and blue card typically indicates Medicare
    • A card or notice from MassHealth indicates Medicaid coverage in Massachusetts
  2. Look at your mail

    • Enrollment letters or annual notices often clearly state whether they are from Medicare or MassHealth
  3. Review any plan documents

    • If you’re in a Medicare Advantage or Part D plan, that plan is part of Medicare, even though it’s run by a private company approved by Medicare

If details are unclear, many people find it helpful to call customer service numbers on their cards or seek assistance from a local, unbiased counseling program such as a SHINE (Serving the Health Insurance Needs of Everyone) counselor in Massachusetts.


When Does MassHealth Start Helping With Medicare Costs?

MassHealth may help with Medicare costs when you:

  • Are enrolled in Medicare
  • Meet specific income and asset limits for MassHealth programs that help with Medicare expenses

Depending on your situation, MassHealth may:

  • Pay some or all of your Medicare Part B premium
  • Help with Part A premiums if you do not receive premium-free Part A
  • Cover certain deductibles and coinsurance
  • Reduce or eliminate some out-of-pocket costs

The exact assistance depends on which MassHealth category you qualify for and whether you are considered fully or partially dual eligible.


Simple Summary: Is Medicare MassHealth?

To bring it all together:

  • Medicare is not MassHealth.
  • Medicare is a federal health insurance program mainly for older adults and certain people with disabilities.
  • MassHealth is Massachusetts’ Medicaid program, intended largely for people with limited or moderate income and specific eligibility categories.
  • In Massachusetts, you may have one, the other, or both.
  • If you have both, Medicare usually pays first, and MassHealth may help with remaining costs and may cover some services Medicare does not fully cover, within program rules.

Understanding that these are two separate programs—with different eligibility rules, coverage structures, and roles—can make it much easier to navigate your health coverage in Massachusetts and to ask more specific questions about your own situation.