Original Medicare appeal help in Guam
Checked against the current rules on September 23, 2026.
If you're in Guam and Medicare denied a claim, the appeal rules are federal — the same deadlines, the same claims ladder, and the same independent review that apply everywhere in the country. What's specific to Guam is the free local help available to you, and which regional contractor handles your case.
Guam residents can get free, unbiased help from a state-funded counseling program, separate from Medicare and separate from CaseWhy Appeals — a real person who isn't selling anything.
Who to call in Guam
Guam's free Medicare counseling program can walk you through your specific situation at no cost — what to expect, what evidence tends to matter, and how local providers usually handle these appeals:
Guam Medicare Assistance Program (GUAM MAP) — 1-671-735-7415
Your BFCC-QIO (for a fast appeal or a quality-of-care complaint): Commence Health — 1-877-588-1123
Your QIC for a standard claim reconsideration: Maximus — QIC Part A West (reconsideration, western/central states — call 1-800-MEDICARE for the expedited line) — 1-800-633-4227
Your Medicare Administrative Contractor (MAC)
Unlike the QIC above, which MAC processes claims for Guam genuinely changes as CMS re-competes these contracts — the safest, always-current source is the address printed on your own Medicare Summary Notice or redetermination decision, not a state-by-state guess.
Find your Medicare Administrative Contractor (MAC): https://www.cms.gov/medicare/coding-billing/fee-schedules/mac-info
Your deadline to file
120 days from the date on the Medicare Summary Notice — 120 calendar days from when you receive it (42 CFR § 405.942(a)), with receipt presumed to be 5 days after the notice's own date unless shown otherwise.42 CFR 405.942
That deadline applies to a claims-ladder appeal filed from Guam exactly the same way it applies everywhere else — nothing about the filing window changes by state.
Your MAC's and QIC's own clocks to decide
60 calendar days from when the MAC receives your timely request. Each time you submit new evidence after filing, that 60-day clock is extended by up to 14 more calendar days for that submission (42 CFR § 405.950(a), (b)(3)) — this can happen more than once.
The QIC's own reconsideration clock, once you've filed: 60 calendar days from when the QIC receives your timely request (42 CFR § 405.970). If the QIC can't meet that deadline, it must offer you the chance to escalate straight to OMHA instead of waiting (42 CFR § 405.970(e)(2)) — CaseWhy Appeals tells you the moment that right opens up.
If it's urgent
A Notice of Medicare Non-Coverage, an Important Message from Medicare, or a Medicare Change of Status Notice comes with its own same-day fast-appeal option through the QIO, entirely separate from the standard claims-ladder timeline above. If you're in Guam and just got one of these, call your BFCC-QIO (1-877-588-1123) the same day you get it, not after — this window closes fast.
Common situations
A few things families in Guam run into beyond a straightforward MSN denial:
If your MSN shows a duplicate claim or a billing error, that's usually a fix through the provider's own billing office, not a redetermination — see the duplicate-claim what-if.
If a provider bills you for a service your MSN shows as denied, whether you actually owe it turns on the ABN — see billed after a denial.
If the person you're helping also has Medicaid, Medicaid may cover what Original Medicare denied — see what to do when someone also has Medicaid.
Questions people ask
- Is the appeal process different in Guam?
- No — Medicare's claims-ladder rules are federal and identical in every state. What's specific to Guam is which QIC and BFCC-QIO cover it, and the free local counseling listed above.
- Is this free?
- Yes. Guam's SHIP counseling program and the BFCC-QIO are both free federal- and state-funded services — there's no cost to call either one.
Sources — last checked September 23, 2026
- 42 CFR 405.942as of September 23, 2026
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By CaseWhy Appeals editorial. See how this content is produced. Not legal advice. Not affiliated with or endorsed by Medicare, CMS, or any health plan. A product of CaseWhy LLC.
