Medicare covers some oral surgery, but not all of it — and the rules depend on whether the procedure is considered dental or medical.

Medicare Part B covers oral surgery only when the surgery is medically necessary rather than purely dental. The dividing line is whether the procedure treats a medical condition or a dental problem. If an oral surgeon removes a tooth because of decay, Medicare does not pay. If an oral surgeon removes a tooth because it is blocking a needed medical treatment — like radiation for cancer — Medicare may pay.

The same tooth removal can be covered or not covered depending on why it needs to come out. This means you need to know in advance whether Medicare will cover your specific procedure, because the cost difference is large. An uncovered oral surgery can cost hundreds to thousands of dollars out of pocket.

Key Takeaways

  • Medicare Part B covers oral surgery when it treats a medical condition, such as removing a tooth that blocks cancer treatment or removing bone to treat a jaw fracture.
  • Medicare does not cover tooth removal for decay, gum disease, or other purely dental reasons, even if an oral surgeon performs the work.
  • You must get written approval from Medicare before the surgery, because paying first and requesting reimbursement later often results in denial.
  • Your oral surgeon's office should submit a request to Medicare on your behalf, and you should ask them to confirm coverage in writing before your appointment.
  • If Medicare denies coverage, you have the right to appeal the decision, and your doctor can provide medical documentation to support the appeal.

What Medicare Part B Covers in Oral Surgery

Medicare Part B covers oral surgery that is medically necessary. The most common covered procedures include removal of impacted teeth that are causing infection or pain (not straightforward decay), removal of teeth to prepare for radiation or chemotherapy to the head or neck, and surgical treatment of jaw fractures or other jaw injuries.

Medicare also covers oral surgery to treat severe infections of the jaw or mouth that require surgical drainage, and removal of bone or tissue to treat oral cancer or other cancers of the head and neck. If your oral surgeon is treating a medical condition — not a dental problem — there is a better chance Medicare will pay.

The key word is medically necessary. This means a doctor has documented that the surgery is needed to treat a health condition, not to improve your appearance or maintain your teeth. Your primary care doctor or a specialist may need to refer you to the oral surgeon and explain why the surgery is medically necessary.

What Medicare Part B Does Not Cover

Medicare does not cover oral surgery for dental reasons. This includes tooth removal for decay or gum disease, even if the tooth is severely damaged. It also does not cover teeth cleaning, root canals, crowns, bridges, dentures, or any other routine dental work — even if an oral surgeon performs it instead of a dentist.

Medicare also does not cover oral surgery for cosmetic reasons, such as jaw reshaping to change your appearance or tooth removal to straighten your bite. If the primary reason for the surgery is dental rather than medical, Medicare will not pay, regardless of how serious the dental problem is.

Dental insurance, if you have it, may cover some of these procedures. If you do not have dental insurance, you will pay the full cost of dental oral surgery out of pocket. Some oral surgeons offer payment plans or discounts for uninsured patients, so it is worth asking.

How to learn about Your Specific Procedure Is Covered

The only way to know for certain whether Medicare will cover your oral surgery is to ask Medicare directly before the procedure. Your oral surgeon's office can submit a request called a predetermination or prior authorization request to Medicare. This is not the same as submitting a claim after the surgery — it is a question asked in advance.

To start this process, ask your oral surgeon's office to contact Medicare on your behalf. They will need your Medicare number, a description of the procedure, and medical documentation explaining why it is medically necessary. Your doctor should write a letter or note explaining the medical reason for the surgery.

Medicare will respond in writing within 10 to 14 days, telling you whether the procedure is covered and what your out-of-pocket cost will be. Ask the oral surgeon's office to send you a copy of Medicare's response. Do not schedule the surgery until you have this written approval in hand.

What You Will Pay If Medicare Covers the Surgery

If Medicare approves the oral surgery, you will pay your Part B deductible (if you have not met it for the year) and then 20 percent of the approved amount. The oral surgeon must accept Medicare's approved amount as payment in full — they cannot bill you for the difference.

Your actual out-of-pocket cost depends on the complexity of the surgery and the approved amount. A straightforward tooth extraction might cost you $50 to $100 after Medicare pays its share. A more complex surgical procedure could cost you several hundred dollars.

If you have a Medigap or Medicare Advantage plan, your supplemental coverage may pay some or all of your 20 percent share. Check your plan documents or call your plan to find out what oral surgery coverage you have.

What Happens If Medicare Denies Coverage

If Medicare denies coverage, you have the right to appeal. Your oral surgeon's office can help you file an appeal, and your doctor can provide additional medical documentation to support your case. Many denials are overturned on appeal when the doctor provides clear evidence that the surgery is medically necessary.

The appeal process has several levels. Your first step is a reconsideration, which Medicare must respond to within 30 days. If you disagree with the reconsideration decision, you can request a hearing before a Medicare administrative law judge. Your oral surgeon or doctor can attend the hearing and explain why the surgery is medically necessary.

While you are appealing, you are not required to pay for the surgery upfront. If Medicare eventually approves coverage after you have already paid, you can request reimbursement. If Medicare denies coverage after all appeals are exhausted, you will owe the full cost of the surgery.

Oral Surgery for Dental Problems: Your Other Options

If your oral surgery is for a dental reason — such as tooth removal for decay — Medicare will not pay, but you have other options. Medicaid covers some dental services in some states, though coverage varies widely. Contact your state Medicaid office to find out what dental services are covered where you live.

Some community health centers and dental schools offer low-cost oral surgery. Dental schools often charge 40 to 60 percent less than private practices because the work is done by students under supervision. Search for "dental school near me" or ask your local health department for a list of community dental clinics.

If cost is a barrier, ask your oral surgeon about payment plans. Many practices allow you to pay in installments over several months with no interest. Some practices also offer discounts if you pay in full upfront.

Questions to Ask Your Oral Surgeon Before Your Appointment

Before you schedule oral surgery, ask your oral surgeon these questions: "Will you submit a predetermination request to Medicare?" "How long does Medicare usually take to respond?" "What will my out-of-pocket cost be if Medicare approves?" "What happens if Medicare denies coverage — can we appeal?"

Also ask: "If Medicare does not cover this, what are my other options?" and "Do you offer payment plans?" Write down the answers and keep them with your Medicare documents. If Medicare denies coverage later, these notes will help you understand what happened and what to do next.

Frequently Asked Questions

Does Medicare cover wisdom teeth removal?

Medicare covers wisdom tooth removal only if it is medically necessary — for example, if the tooth is impacted and causing a serious infection, or if it needs to be removed before cancer treatment. Medicare does not cover wisdom tooth removal for decay or because the tooth is crowded. Dental insurance may cover this if you have it.

What if my dentist says I need oral surgery but my regular doctor disagrees?

Medicare will look at the medical documentation from the doctor who is treating your medical condition, not your dentist. If your primary care doctor or specialist does not believe the surgery is medically necessary, Medicare is unlikely to cover it. Ask your dentist to speak directly with your doctor about why the surgery is needed.

Can I go to any oral surgeon, or does Medicare have a list?

Medicare does not maintain a list of approved oral surgeons. You can see any oral surgeon who accepts Medicare. Before you schedule, confirm that the surgeon accepts Medicare assignment, which means they accept Medicare's approved amount as full payment.

What if I already paid for oral surgery out of pocket and then found out Medicare would have covered it?

You can request reimbursement from Medicare if you paid out of pocket for a procedure that Medicare would have covered. Submit your receipt and a letter explaining that you paid upfront. Medicare will review your case, but reimbursement is not may provide if you did not get prior approval first.

Does Medicare Advantage cover oral surgery differently than Original Medicare?

Medicare Advantage plans must cover at least what Original Medicare covers, but some plans offer additional dental benefits. Check your plan documents or call your plan to find out what oral surgery is covered. Some Advantage plans cover routine dental work that Original Medicare does not, though this is less common.