Confused by Medicare Part B double payment reimbursement and tax withholding - Social Security math not adding up
Just got the most confusing letter from Social Security about my Medicare Part B reimbursement and I can't make sense of their math. I received a small check for $162.80 on January 27th (which was unexpected), and today I got a letter explaining it's for the "Double Payment for Medicare Part B" but I'm still confused. The letter states: 1. I'll receive $162.80 around Feb 11, 2025 (even though I already got it on 1/27) 2. This is money I'm due through January 2025 My situation is this: My first actual SS retirement benefit is scheduled for January 2025, with my first benefit check coming February 12, 2025. Back in November 2024, I paid 3 months of Medicare Part B premiums upfront - covering December, January & February. I paid the old premium rate of $174.70 for December and the new rate of $185 for both January and February. What's really confusing me is that I have 12% tax withholding set up on my SS benefits. The math shows $185 - 12% ($22.20) = $162.80, which matches the check amount. But SSA told me both over the phone AND in this letter that the tax withholding is supposed to apply AFTER they deduct the Part B premium - not TO the Part B reimbursement itself! So my questions: Is this check actually reimbursing me for my January Part B payment? If so, should I expect another similar check for February? And why are they withholding taxes from a premium reimbursement? The whole thing seems backward and I can't get a straight answer from anyone I've talked to at SSA.
21 comments


Luca Ferrari
this sounds like what happened to me last year! it's confusing because they're paying you back for 1 month of the double payment (the month when you paid SSA directly AND they took it out of your benefit). they withheld taxes because the system treats all payments from SSA like regular benefits. its stupid but thats how their computers work, they can't separate different payment types
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NebulaNomad
•Thanks for responding! So you think this is just for the January payment then? Should I expect another similar payment for February since I also prepaid that month too?
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Nia Wilson
The way I understand it (had something similar happen), you will only get reimbursed for the month where you would be paying TWICE. In your case, that's January - you paid upfront in November AND they would normally deduct it from your January benefit. They're giving you back the January premium because otherwise you'd pay twice for that month. You won't get anything for February because you'll get your February check with the premium already deducted - so no double payment there. And yes, they DO withhold taxes on EVERYTHING, even reimbursements. I spent 45 minutes arguing with a rep about this last year. It's ridiculous but that's how their ancient system processes everything. You'll get it sorted out when you file your taxes.
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NebulaNomad
•That makes more sense! So I'm only getting reimbursed for January because that's the only month with potential double payment. Still seems weird they'd tax a reimbursement but at least I understand the logic now. Thanks!
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Mateo Martinez
Let me clarify how this works with Medicare Part B and Social Security benefits: When you begin receiving Social Security benefits, your Part B premium is automatically deducted from your monthly benefit amount. Since you paid 3 months in advance (Dec, Jan, Feb), you're entitled to a refund for January because: 1. You already paid January's premium in advance ($185) 2. SSA would normally deduct January's premium from your January benefit payment To prevent double payment, they issue a refund equal to one month's premium. The confusion comes from them applying your tax withholding to this refund, which technically they shouldn't do since it's not income but a reimbursement. You will NOT receive a similar payment for February because your February premium will be properly deducted from your February benefit payment (no double payment situation there). The withholding on the reimbursement is unusual and likely a technical limitation of their payment system. You can claim this when you file your taxes next year.
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Aisha Hussain
•so they can't figure out how NOT to tax a reimbursement?? smh this is why dealing with social security is such a nightmare
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Ethan Clark
I went through this EXACT same thing last year and spent HOURS on hold trying to get someone at SSA to explain it to me!!! The taxes being withheld on the reimbursement makes zero sense, but that's how their archaic system works. Everything that comes out of SSA gets treated like regular benefits - even when it's LITERALLY GIVING YOU BACK YOUR OWN MONEY! 🤬 You're only getting one payment because you only have one month of overlap (January). They should have explained this better in the letter. And btw, the fact that they said you'd get it on Feb 11 when you already got it Jan 27 is classic SSA - their letters are always generated way ahead of when they actually process payments.
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NebulaNomad
•Thanks for confirming this happens to others too! Did you ever get the tax situation fixed, or did you just have to deal with it at tax time?
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StarStrider
To add a bit more clarity: SSA's systems are set up to treat ALL payments as taxable benefits, even when they're reimbursements. This is because their mainframe systems were designed in the 1980s and don't have the capability to differentiate payment types within the automated payment processing system. What happened in your case: 1. You paid $185 directly for January's Part B premium 2. SSA is reimbursing you for this amount since they'll also be deducting it from your January benefit 3. Their system automatically applied your 12% withholding to this payment While technically incorrect from an accounting perspective, this is how their system works. You'll receive Form SSA-1099 next January showing all payments, and you'll need to work with your tax preparer to ensure you're not overpaying taxes on reimbursed amounts. And to answer your other question - no, you won't receive a similar payment for February because there's no double payment situation for that month.
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NebulaNomad
•Thank you for such a clear explanation! It's frustrating that their systems are so outdated they can't properly handle these situations. I'll make sure to keep all documentation for tax time next year.
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Yuki Sato
i had this EXACT problem last year and spent a month trying to get thru to ssa on the phone. kept getting busy signals or disconnected after waiting 2+ hours. finally i found a service called claimyr.com that got me connected to an agent in under 10 minutes. they have a demo video here: https://youtu.be/Z-BRbJw3puU the agent was able to explain the whole medicare reimbursement thing and confirmed what others said - they can only refund months where you'd pay twice, and yes they withhold taxes on everything no matter what. saved me so much time and frustration!
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NebulaNomad
•Thanks for the tip! I've been getting disconnected constantly when trying to call them. I'll check out that service if I need to call again about this or any other issues.
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Aisha Hussain
why is everything with ssa so complicated!!! i swear they make it confusing on purpose so people give up trying to understand. happens with EVERYTHING not just medicare stuff
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Ethan Clark
•EXACTLY! Their systems are from the stone age and nobody there seems to understand how anything works either. Every time I call I get a different answer to the same question.
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Nia Wilson
One more thing - double check your February payment to make sure everything is correct going forward. Make sure they're deducting the right amount for Medicare Part B and that your withholding percentage is being calculated AFTER the Medicare deduction, not before. The first couple months of benefits often have little glitches that need to be fixed.
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NebulaNomad
•That's excellent advice - I'll definitely check all the math on my February payment when it arrives. Thanks for the heads up!
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Naila Gordon
This is such a helpful thread! I'm starting SS benefits next month and was wondering about the Medicare Part B situation. Based on what everyone's explained here, it sounds like the key is to only expect reimbursement for months where you'd actually be paying twice - not for every month you paid in advance. And the tax withholding thing is just something we have to deal with unfortunately. Really appreciate everyone taking the time to break this down so clearly!
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Amina Diop
Welcome to the confusing world of SSA! 😅 You've got it exactly right - you only get reimbursed for actual double-payment months, not every month you paid in advance. The tax withholding on reimbursements is definitely frustrating but unfortunately that's just how their ancient system works. One tip: when you start your benefits, keep a close eye on your first few payments to make sure everything is calculating correctly. Sometimes there are little glitches in the transition period that need to be caught early. And definitely save all your documentation - you'll need it for tax time next year to sort out any overwithholding issues. Good luck with your upcoming benefits! The learning curve is steep but this community is really helpful for navigating all the SSA quirks.
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CosmicCowboy
•Thanks for the warm welcome and great advice! I'm definitely going to keep detailed records of everything. It's reassuring to know there's such a knowledgeable community here to help navigate all these SSA complexities. I'll be sure to check back if I run into any issues with my first payments!
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Fatima Al-Rashid
This whole situation perfectly illustrates why so many people get frustrated with SSA! I went through something similar when I started my benefits last year. The key thing that helped me understand it was realizing that their computer systems literally can't tell the difference between a regular benefit payment and a reimbursement - everything gets processed the same way with the same tax withholding rules applied. For anyone else reading this who might face a similar situation: the "double payment" reimbursement only happens when there's an actual overlap month where you paid directly AND they would also deduct from your benefit. So if you prepaid multiple months, you won't get reimbursed for all of them - only the ones where there would be true double billing. And unfortunately yes, they will withhold taxes on these reimbursements even though it doesn't make logical sense. Just another quirk of dealing with government systems that haven't been updated since the 1980s! Keep all your paperwork and work with a tax professional if needed to make sure you're not overpaying when you file next year.
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Lucas Bey
•This is such a great summary of the whole situation! I'm new to all this Social Security stuff and was feeling pretty overwhelmed by how confusing everything seems to be. It's really helpful to know that the tax withholding on reimbursements is a known issue with their old computer systems - at least now I understand it's not just me being confused about the math. I'll definitely keep detailed records and make sure to mention this to my tax preparer next year. Thanks for breaking it down so clearly for newcomers like me!
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