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UnitedHealthcare Medicare Claims Address: Find the Right Office Fast

Navigating the UnitedHealthcare Medicare claims process starts with knowing where and how to submit each form. This guide helps you locate the correct UnitedHealthcare Medicare...

Mara Ellison Jul 25, 2026
UnitedHealthcare Medicare Claims Address: Find the Right Office Fast

Navigating the UnitedHealthcare Medicare claims process starts with knowing where and how to submit each form. This guide helps you locate the correct UnitedHealthcare Medicare claims address for different situations and timelines.

Timely and accurate submission of claims and related documentation reduces delays and supports smoother coverage under your Medicare plan. The following sections clarify address options, document handling, and common user scenarios.

Service Type Recommended Address Processing Time Target Notes
Original Medicare (Parts A & B) PO Box 25128, Omaha, NE 68125-0128 30–45 days Use for paper claims when not using a provider
Medicare Advantage (Part C) PO Box 620777, Omaha, NE 68162-0777 15–30 days Check your plan’s specific address on the ID card or member portal
Medicare Part D PO Box 620777, Omaha, NE 68162-0777 15–30 days Include supporting pharmacy documentation when appealing denials
Appeals and Grievances PO Box 620812, Omaha, NE 68162-0812 60–90 days Attach all prior documentation and a signed Statement of Appeal
Enrollment and Coverage Updates PO Box 620777, Omaha, NE 68162-0777 10–20 days Use when updating personal or family information

Filing Claims for Original Medicare Parts A and B

When you receive care under Original Medicare and do not use a participating provider or direct billing, you may need to file a paper claim. The standard UnitedHealthcare Medicare claims address for Original Medicare is PO Box 25128, Omaha, NE 68125-0128.

Include itemized statements from providers, receipts, and any Explanation of Benefits summaries from other insurers. Claims submitted by mail typically take 30–45 days to process, though this can vary during peak periods or when documentation requires clarification.

Keeping digital copies and a log of submission dates helps you track the status and resolve any missing documentation requests quickly.

Submitting Claims Through Medicare Advantage Plans

Most Medicare Advantage members coordinate claims through their plan network, so direct claims to the UnitedHealthcare Medicare claims address are rarely necessary. If you need to submit an out-of-network claim or a non-covered service, use the plan-specific address listed on your member ID card or the plan website.

Many plans offer online tools and mobile apps that allow you to upload claims and receipts in real time, which can shorten processing time compared to mail submissions. Always check your plan’s guidelines before sending any documentation to ensure it matches the format and content requirements.

The table above shows that Medicare Advantage claims routed through the standardized Omaha address often follow faster timelines, particularly when submitted electronically or through in-network providers.

Handling Medicare Part D and Pharmacy Claims

For Medicare Part D prescriptions, UnitedHealthcare typically coordinates directly with pharmacies, so members seldom need to submit manual claims. If a claim is denied or a reimbursement is delayed, you may send documentation to the address listed for Medicare Part D in the summary table, usually PO Box 620777, Omaha, NE 68162-0777.

Include the pharmacy claim number, date of service, and a copy of the denial notice from your plan. Providing clear explanations for why a claim should be reconsidered increases the likelihood of a favorable redetermination.

Timely follow-up within 10–15 business days can prevent prolonged gaps in coverage and help you maintain consistent access to medications.

Appealing Decisions and Formal Grievances

If your claim or coverage determination is not resolved to your satisfaction, you have the right to file an appeal. The UnitedHealthcare Medicare claims address for appeals and formal grievances is PO Box 620812, Omaha, NE 68162-0812.

Your appeal should include the original determination letter, a Statement of Appeal with dates and service details, and any supporting clinical or documentation evidence. Adhering to stated deadlines, often 60 days from the decision date, helps preserve your procedural rights.

Tracking each submission via certified mail or secure upload features provides a clear record and can be valuable if further escalation within Medicare or to external agencies becomes necessary.

Streamlining Your Claims Management with UnitedHealthcare Medicare

  • Verify the correct UnitedHealthcare Medicare claims address for your service type using the summary table
  • Include complete documentation and identifiers to reduce requests for additional information
  • Keep copies of everything you submit and note submission dates and confirmation numbers
  • Follow up within the plan’s stated timeframes to ensure timely processing
  • Use secure online tools when available for faster resolution and easier tracking

FAQ

Reader questions

What address should I use for an Original Medicare paper claim submission?

Send original Medicare claims to PO Box 25128, Omaha, NE 68125-0128, including all supporting documentation to avoid processing delays.

Where do I send documentation for a Medicare Advantage claim that was denied?

Check your member ID card for the specific address, but many plans accept submissions at PO Box 620777, Omaha, NE 68162-0777, along with your denial details and provider records.

What is the correct UnitedHealthcare Medicare claims address for a Part D reimbursement issue?

For Part D reimbursement problems, use PO Box 620777, Omaha, NE 68162-0777, and include the pharmacy claim number and explanation of the discrepancy.

How do I file an appeal if my claim was denied by UnitedHealthcare Medicare?

Mail your appeal to PO Box 620812, Omaha, NE 68162-0812, including the determination letter, a Statement of Appeal, and all supporting clinical or billing documentation before the deadline.

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