How Much Does Medicare Part B Pay for Physician Fees?

If you’re enrolled in Medicare or planning ahead, it’s important to understand how much Medicare Part B pays for physician fees and outpatient services. Medicare Part B helps cover many medical costs, but it doesn’t pay 100%. So, how much can you expect Medicare to cover when you see a doctor?

In this article, we’ll break down:

  • What Medicare Part B covers
  • How much it pays for physician fees and doctors visits
  • What your out-of-pocket costs may be
  • Tips to reduce your medical expenses

What Does Medicare Part B Cover?

Medicare Part B covers outpatient medical care. This includes services like:

  • Doctor visits and physician fees (primary and specialists)
  • Preventive care (such as flu shots and cancer screenings)
  • Lab tests and X-rays
  • Mental health outpatient care
  • Some home health services
  • Durable medical equipment (like walkers or oxygen)

To get Medicare Part B, you must pay a monthly premium (in 2025, the standard premium is around $174.70) and meet an annual deductible.


How Much Does Medicare Pay for Physician Fees?

Medicare Part B uses something called the Medicare Physician Fee Schedule (MPFS) to determine how much it pays for each medical service. This is a standardized list of fees Medicare will approve for covered services.

Once your deductible is met, Medicare generally pays 80% of the approved amount. That leaves Medicare beneficiaries with the remaining 20% of the cost.

But this only applies if your doctor accepts Medicare assignment, meaning they agree to the Medicare-approved amount as full payment.


What If Your Doctor Doesn’t Accept Medicare Assignment?

There are two types of Medicare providers:

  • Participating providers: Accept Medicare assignment and cannot charge more than the approved amount.
  • Non-participating providers: May charge up to 15% more than the Medicare-approved rate. This is called the limiting charge.

If your doctor doesn’t accept assignment, you could be responsible for up to 35% of the total bill (20% coinsurance + 15% excess charge).

💡 Tip: Always ask your provider if they accept Medicare before receiving care.


How to Reduce Your Out-of-Pocket Costs

Medicare Part B doesn’t cover everything—but you have options to lower your costs.

1. Enroll in a Medicare Supplement Plan (Medigap). Medigap plans help pay for Part B coinsurance and other out-of-pocket expenses. These plans are offered by private insurers and work alongside Original Medicare.

2. Consider a Medicare Advantage Plan. Medicare Advantage (Part C) plans often include physician coverage with predictable copays and lower out-of-pocket maximums. However, they usually require staying within a provider network.

3. Apply for Financial Assistance. Programs like Medicaid, Extra Help, or state Medicare Savings Programs may help low-income beneficiaries pay premiums and coinsurance.


Bottom Line: What You Need to Know

Medicare Part B typically pays 80% of the cost for physician services, leaving you to cover the other 20%. Understanding whether your doctor accepts Medicare, and knowing your coverage options, can help you manage healthcare costs more confidently.


Ready to Maximize Your Medicare Coverage?

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