Doctors, Are You Tipping Uncle Sam? Avoid These Common Errors
August 1, 2025
Welcome to the latest episode of the Physician Cents Podcast, where we explore complex financial topics tailored specifically for physicians. Whether you're a medical student, resident, fellow, or attending physician, you're going to find valuable insights that can help you increase your financial IQ, further your financial journey, and improve your overall well-being. Hosted by Chad Chubb and Tyler Olson, let’s dive in!
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Stop Tipping Uncle Sam: The Most Common Physician Tax Mistakes (And How to Actually Keep Your Money)
Every year, physicians across the country watch hard-earned money slip out of their hands—not for a well-deserved vacation or a new road bike, but because of sneaky, avoidable tax mistakes. It’s like tipping at a restaurant when you meant to order takeout—except you have no idea you tipped, and Uncle Sam is off somewhere with your “extra” cash.
Here’s the kicker: You don’t have to be a tax genius to avoid these mistakes. You just need the right guide, a dash of vigilance, and maybe a little coffee. Let’s break it down, plain and simple, so you can finally stop leaving hundreds or even thousands of dollars on the table year after year.
Why Physicians Are "Tipping" Uncle Sam Unknowingly
Let’s call it like it is: Doctors are overpaying taxes every year because of simple, avoidable tax mistakes. Even the best accountants (yes, even yours) or the fanciest tax software can miss things that hit physicians the hardest. Think of your tax return as a complex science puzzle, but the instructions are missing, and everyone just hopes they’re right.
You might be wondering, “Isn’t my accountant supposed to catch this?” Sometimes yes, sometimes no. If you’re not asking the right questions or double-checking the details, you’re at risk of leaving extra money on the table.
The good news? Most of the common tax headaches for doctors show up year after year—and they’re absolutely fixable if you know where to look.
Overview: The Big Physician Tax Mistakes You Need to Avoid
Here’s your cheat sheet. These are the main traps that cause doctors to accidentally leave a tip for the IRS:
Backdoor Roth IRA mistakes
Messy rollover IRAs hurting your tax planning
Missing 1099 forms (interest, brokerage, side gigs—yep, all those little ones)
S-corp election missteps (especially salary and income errors)
Underpayment penalties (for not giving the IRS enough, soon enough)
State and local tax headaches (especially when you move or work in multiple places)
These mistakes don’t care if you’re a genius in the OR or have a top-rated accountant—they’re equal-opportunity offenders.
Understanding Backdoor Roth IRA Errors
What is a Backdoor Roth IRA?
Let’s cut straight to it: Many physicians make too much to contribute directly to a Roth IRA. So, you use the “backdoor” method—put money into a traditional IRA, then convert it to a Roth IRA. Sounds simple? It should be… but here’s where the IRS likes to lay a few banana peels.
The IRS wants you to report a Roth conversion on Form 8606. That’s your golden ticket.
Here’s the wild part: Tons of accountants—even the diligent ones—miss this form, or fill it out wrong if they’re not playing in the physician sandbox regularly.
No 8606? You could get taxed twice, or Uncle Sam thinks you took money out instead of doing a legal conversion. Not fun.
2. 1099-R: The Surprise Guest
1099-R is the form your IRA custodian sends when you move money around. It tells the IRS that $7,000 came out of your traditional IRA.
If your accountant doesn’t know you did a backdoor Roth conversion, they might count this as taxable. Boom—an easy mistake that costs you serious money.
3. Pro Rata Rule: The Stealth Tax Monster
Here’s the rule in plain English: If you have any pre-tax money in other IRAs (rollover, SEP, SIMPLE) on December 31, your backdoor Roth conversion gets taxed in a weird way.
That means you could owe tax on part (or all!) of your conversion—unexpected, expensive, and a huge bummer.
The only real fix? Stuff any old pre-tax IRA money into a 401(k) plan before you do the backdoor Roth.
So, here’s what trips up a lot of smart doctors:
They (or their advisor) have a big rollover IRA and still do a backdoor Roth conversion anyway.
Forms aren’t filled out correctly, or the IRS gets mixed messages, and suddenly you’re paying tax you never owed.
Rollover IRAs + Backdoor Roths: Why This Combo Bites Back
Let’s tell the truth: Having a rollover IRA at some big firm makes your backdoor Roth plan way less effective—sometimes totally pointless. Here’s how it happens:
A doctor rolls over an old 401(k) to an IRA. Years later, they start doing backdoor Roth IRAs—sometimes at the very same place. The advisor or firm likes to manage all the pieces, but no one is connecting the dots. The IRS sees the pre-tax IRA money and treats the conversion as partly taxable.
Let’s say you put in $7,000 as a non-deductible contribution… but you also have $70,000 in a rollover IRA. When you convert $7,000, only a tiny part comes out tax-free—the rest gets taxed. The fix is usually to roll your rollover IRA into a workplace 401(k) or solo 401(k) before you start the backdoor Roth. No leftover pre-tax IRA, no extra taxes. Simple, but easily skipped.
Whenever there’s an advisor who doesn’t deal with a lot of doctors, you see this mistake pop up again and again.
Why Accountants Miss Backdoor Roth Errors
Picture tax season for a second. It’s a 6–8 week tornado where accountants eat lunch at their desks and dream of sleep. It’s pure chaos. Even the best accountants aren’t mind readers—they won’t know you did a Backdoor Roth unless you tell them or send all your paperwork.
Here’s where things go off the rails:
New accounts (Ally, Marcus, robo-advisors) don’t always show up on last year’s return.
Accountants just try to keep up—if it’s not in front of them, it gets missed.
Physician taxes are complicated and specific. Not every CPA works with high-income earners or backdoor Roths every day.
Want to stop this madness? Get in the habit of reviewing your draft tax return, not just the final copy. One little review can save you from a five-digit disaster.
Double-Check Your Tax Draft—Seriously, Don’t Skip This!
If you take just one action from all this, let it be this: Always, always review your tax draft before it’s filed. You’d be shocked how many errors get caught just because someone paused to take a second look.
Ask your accountant for a draft. Sit down with your financial advisor. Invite a tax-savvy buddy (pizza helps). A quick review can find missed forms, crazy math mistakes, or unexplained numbers before the IRS or your wallet gets burned.
Catching a Roth error, for instance, can mean thousands of dollars back. Think of it as finding money in the couch, except way better.
The 1099 Maze: The Forms That Get Missed (And Why It Matters)
What Are 1099 Forms and Why They Matter?
A 1099 is how your bank, brokerage, or side gig says, “Hey IRS, Joe received $500 from us, just making sure you know.” It covers interest (1099-INT), dividends (1099-DIV), freelance income, and more. If you receive a 1099, the IRS gets a copy too—and expects that income on your return.
The Typical 1099 Mistakes for Physicians
Online Banks: Have money in Ally, Marcus, or Laurel Road? They love to send 1099s when you earn even a little interest, especially at today’s higher rates. Don’t check your account? Oops—missed form.
Brokerage Accounts: Got a little on Robinhood or another app you forgot about? If there was a dividend, they’ll send a 1099-DIV.
Old or Forgotten Accounts: Opening, closing, or just tossing money around can leave paper trails. Accountants don’t know you opened a new savings account unless you tell them.
Side Gigs and Consulting: Any 1099-MISC or 1099-NEC from freelance work, moonlighting, or consulting must be reported.
Don’t assume your accountant can track all this. Their software only knows what you give them.
What Happens If You Miss One?
The IRS matches what the banks and brokers report to what you filed. If the numbers don’t line up, you can face an audit or a tax bill plus penalties and interest. It’s not fun and not worth risking.
Solution: Make a simple checklist. Once a year, log in to every bank, broker, and app you use. Download every 1099 and cross-check it with your tax return. You’re not just preventing problems—you’re saving yourself stress and money.
S-Corp Election Mistakes: Where Egos and Audits Mix
What is an S-Corp Election?
An S-corp lets self-employed doctors treat part of their income as a distribution, not subject to self-employment tax, and (if set up and managed right) can save a chunk of money in taxes. It’s especially tempting if you’re making income as a contractor—think emergency docs, anesthesiologists, or any 1099 physician.
When S-Corps Don’t Add Up
If your business is earning under $150,000 a year, setting up an S-corp usually adds more hassle than benefit. There’s more to track, more to pay (accountants love those extra returns), and not enough tax savings to offset it.
Many new graduates get jazzed about S-corps after hearing about them at a conference or on social media. But unless your earnings really crank up, it just wastes your time and money.
Bad advice—from internet forums, friends, or inexperienced CPAs—fuels a lot of these missteps.
The Biggest S-Corp Errors for Physicians
Unreasonably Low Salaries: Some doctors are told to pay themselves a $65,000 salary and take everything else as a distribution. That might sound clever, but it’s a red flag. There’s no IRS chart that says what counts as “reasonable salary” for a physician. If you’re a full-time doc, $65,000 isn’t reasonable, and the IRS knows it.
Skipping Payroll Compliance: Taking only draws (distributions) and no salary at all is straight-up against the rules. The IRS can and will nail you.
Accountant Overreach: Some advisors and accountants push S-corps just to make the relationship stickier (and bill more for the extra work) even when it’s not the best call.
A good accountant will help you figure this out, walk you through the numbers, and set things up so you’re safe—and not on the IRS’s radar.
Why Underpayment Penalties Take a Bite Out of Physicians' Wallets
What Are Underpayment Penalties?
Think of these as the IRS’s way of saying, “Hey, you didn’t pay us enough during the year, so now we’re adding a little extra bill.” This is especially common when you get 1099 income, partnership K-1s, or any type of income not subject to normal payroll withholding.
Check your tax return: Underpayment penalties show up on line 38. If there’s a number there, that’s money out of your pocket.
How the Penalties Happen
You’re supposed to pay taxes throughout the year, not just in April. This means making quarterly estimated payments—usually due:
April 15
June 15
September 15
January 15
Doctors often believe, “I’ll just pay it all at the last deadline.” Nope. The IRS wants money as you go. Delay, and they’ll ding you with penalties and interest.
Underpayment Penalty Pain (in Dollars)
These aren’t tiny, “fix-it-later” numbers. The penalty rate has jumped from about 3% to 7-8% in recent years. If you underpay by $20,000 throughout the year, you could owe $1,400 to $1,600 easy. Do this every year—and you’re literally tipping Uncle Sam a used car’s worth.
How Physicians Stop Paying This “Tip”
If you’re on salary, review your W4. You can increase your withholding.
If you have 1099/side income, split your estimated payments evenly and match your income periods.
Use the safe harbor rule: Pay at least 110% of last year’s tax bill or 90% of the current year’s expected bill (trickier to calculate).
Make a big estimated payment up front if you know you’ll earn more this year—better to front-load than play catch-up.
One year of penalties—fine, things happen. But two years in a row? It’s time to fix it.
State and Local Tax Problems: Not Just a Federal Game
When State Tax Issues Get Messy
Physicians move. A lot. Maybe you go from training in one state to practice in another. Or you work remotely for a hospital in a neighboring state, or even move but forget to update your address and payroll info.
Examples that trigger headaches:
You live in Pennsylvania, but moonlight in New Jersey or Delaware
You move mid-year, but your employer keeps withholding taxes for the wrong state
Reciprocal agreements or local-city taxes (looking at you, Philly)
Why State Taxes Get Overlooked
Doctors usually focus on the massive federal tax bill and wave away state taxes as “whatever.” That’s a bad call, because if you file wrong—or not at all—states will eventually catch up. Also, big-name tax software sometimes asks the wrong questions or misses complicated, multi-state decisions.
When should you file a return in a state? When you worked there, lived there, or earned money there at any point in the year. That can mean filing two (or more!) state returns in one year.
How to Keep State and Local Taxes from Sneaking Up
Double-check your home and work addresses with payroll every time you move
If you live in one state and work in another, learn the rules or talk to a pro (not all states have reciprocal agreements)
If you move, track every location and the dates
Don’t forget about city or local taxes, especially in certain regions
Yes, state tax bills are usually smaller. But mistakes can cost you refunds—and add audit risk and paperwork later.
The Power of Mid-Year Tax Planning (Why July is Smart Money Season)
You guessed it: Right now is the prime time to fix your tax plan for the next year. Waiting until tax day in April is like showing up to the airport as your plane’s taking off. Sure, you’ll get to your destination eventually, just with lots of headaches.
If you’re graduating residency, starting a new job, or planning a big income jump, map out your “tax year” now. Check your draft return, update your W4 if you’re employed, or plot out those quarterly payments if you’re self-employed.
Talk to your accountant now—not in the middle of tax season chaos. You’ll get better advice, more time to adjust, and peace of mind.
Teamwork: How to Actually Work With Your Accountant and Advisor
The best way to keep your cash in your pocket? Treat your financial team like—you know—a team!
Always tell them about any backdoor Roth activity, new IRA rollovers, opened bank or brokerage accounts, or state moves.
Provide every 1099 you get, not just the big ones.
Don’t accept your tax return as gospel. Ask your accountant for a draft review. Look for your own name, double-check numbers. Don’t be shy.
If you have an advisor who “gets” physicians, loop them in, too. Two sets of sharp eyes are always better than one.
Remember: tax season is bananas for accountants, so the earlier you bring issues up, the better.
Good communication saves money.Double-checking saves money. Do both and, well, you keep more of what you actually earned.
Don’t Tip the IRS: Key Takeaways for Physicians
High fives all around—you made it to the end and (hopefully) picked up a few ways to stop tipping Uncle Sam for services you don’t want. Here’s what to do next:
Watch for backdoor Roth mistakes (especially Form 8606, 1099-R, and the dreaded pro rata rule)
Never ignore 1099s, even from tiny apps or banks
Only use S-corps when they make sense—and with the right salary
Avoid underpayment penalties by paying the IRS at the right times and right amounts
Don’t sleep on state and local tax rules (moving or multistate incomes make it trickier)
Ask questions. Review your drafts. And build a financial team that understands physicians, not just generic tax rules. Trust me—you’ll sleep better at night.
Now go double-check those tax drafts. No more tipping required!
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This information is for general purposes only. This information is not intended to be a substitute for specific professional financial, tax, or legal advice, as individual circumstances vary. Please see a financial professional, CPA, and/or an attorney in regards to your own individual situation.
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A podcast designed specifically for physicians, offering a breakdown of complex financial topics to help you develop your financial IQ, further your financial journey, and improve your well-being. Whether you're a medical student, resident, fellow, or attending physician, you're sure to learn something new that will benefit your journey.