The New Roth Catch-Up Rule: What High-Earning Physicians Over 50 Should Know for 2026

You are 54, you have been an attending for two decades, and for years the catch-up contribution was one of the few tax decisions that took no thought at all. You checked a box during open enrollment, an extra few thousand dollars a year went into your 401(k) or 403(b) before taxes, and nobody ever had to bring it up again. In 2026 that box works differently.

Under the SECURE 2.0 Act of 2022, catch-up contributions made by higher-wage participants have to be designated Roth contributions. The Internal Revenue Service delayed the requirement through 2024 and 2025 to give employers time to build for it. That delay has ended. For many physician households with someone over 50 on a hospital or university payroll, the pre-tax catch-up is off the table for 2026, and that portion of the contribution goes in after tax instead.

The amount you can put away does not change. What changes is when the tax gets paid on one slice of it. That is a different question, and the answer depends on your bracket this year, your plan's design, and where the rest of your retirement money already sits. If you have been working through the wider picture of retirement planning as a physician, treat this as one more input. It sits alongside decisions you may already be weighing about Roth conversions and whether your employer plan supports a mega backdoor Roth.

What the Rule Actually Says

Section 603 of the SECURE 2.0 Act added a new requirement to the tax code. If you are eligible to make catch-up contributions and your wages from the employer sponsoring the plan exceeded an indexed threshold in the prior calendar year, any catch-up contributions you make have to be Roth contributions. Pre-tax is not available to you for that piece. The requirement covers 401(k) plans, 403(b) plans, and governmental 457(b) plans that offer catch-up contributions.

The threshold started at $145,000 in the statute and is adjusted for inflation. The Internal Revenue Service announced an administrative transition period covering 2024 and 2025, during which plans could keep accepting pre-tax catch-up contributions from higher earners without running afoul of the statute. That relief expired December 31, 2025.

One timing wrinkle explains why two plans might handle 2026 slightly differently. The statutory requirement applies to taxable years beginning on or after January 1, 2026. The final regulations issued by the Treasury Department and the Internal Revenue Service generally apply to contributions in taxable years beginning after December 31, 2026. For 2026 itself, plans are permitted to comply using a reasonable, good-faith interpretation of the statute. In practice that means the rule is live this year, while some of the fine print your plan administrator applies may shift again in 2027.

The 2026 Numbers

Before getting to who the rule captures, it helps to see the actual dollar figures side by side. The table below reflects the 2026 amounts the Internal Revenue Service announced in Notice 2025-67 for 401(k), 403(b), and governmental 457(b) plans, along with whether the Roth requirement attaches at typical attending wage levels.

Two details in that table catch physician households by surprise. The first is that catch-up contributions do not count against the $72,000 annual additions limit, so a physician over 50 in a plan with strong employer contributions can end up above $80,000 into a single plan in a year. The second is that the higher catch-up for ages 60 through 63 is optional. Your employer's plan may offer it, or may not, and the plan document is the only place that question gets answered.

How the Wage Test Works

The threshold is not based on your total income, your household income, or the number on your tax return. It is based on wages from the employer that sponsors the plan, in the prior calendar year, as reported for Social Security and Medicare tax purposes. For 2026, that means your 2025 wages from that employer, measured against $150,000.

Three consequences follow from how narrowly that test is drawn, and each one comes up in physician households more often than you might expect.

It is employer-specific. The test looks at wages from the employer sponsoring the plan, not your total earnings from everywhere. A physician with $310,000 in hospital wages and $90,000 in locums income is measured on the $310,000, because the hospital sponsors the plan. The locums income sits outside the test entirely.

It looks backward, not forward. Your 2026 salary is irrelevant to your 2026 status. What matters is what the employer paid you in 2025. A physician who signed a $400,000 contract starting in November 2025 may have had well under $150,000 in 2025 wages from that employer, which can leave the pre-tax catch-up available for 2026 even though current income is far above the threshold.

It measures wages, not self-employment income. This is the distinction that matters most for private-practice physicians, and the final regulations address it directly. A partner whose compensation arrives as a distributive share, or a sole proprietor running a solo 401(k), does not have wages subject to Social Security and Medicare tax from that arrangement. Where there are no such wages in the prior year, the Roth catch-up requirement does not attach, regardless of how large the income is.

Physician Situations Where the Rule Does Not Reach

The rule reaches many employed attendings over 50, so it is better to know the exceptions than to assume them. Situations that commonly fall outside it include the following.

• You changed employers during 2025 and had little or no wage history with the new employer in that calendar year. The wage test runs against the plan sponsor, and the final regulations permit plan administrators to aggregate wages from certain related employers, which is why the answer depends on how the health system is structured.
• Your 2025 was a residency, fellowship, or partial attending year and total wages from that employer landed under $150,000. Physicians finishing training in mid-2025 are often below the line for 2026 even though their current pay is well above it.
• Your income from the plan-sponsoring entity is self-employment income rather than wages. Partners in a practice and sole proprietors with a solo 401(k) generally fall here.
• A non-physician spouse over 50 works part time and earns under the threshold at their own employer. The test is run per person, per employer, so one household can easily have one spouse subject to the rule and one not.
• Your plan has no Roth feature at all. That case is unusual now and creates a different problem, since the statute does not permit affected participants to make pre-tax catch-up contributions instead. Some employers responded by adding a Roth option; others did not.

What This Looks Like on a Paycheck

The practical effect is a withholding change, and it arrives without an announcement. When the catch-up shifts from pre-tax to Roth, that portion of your contribution is no longer reducing your taxable wages for the year. Your gross pay and your total contribution stay the same. Your take-home pay drops relative to what the same election produced in 2025.

For a physician in a high marginal bracket, an $8,000 catch-up that used to reduce taxable income no longer does. That difference shows up spread across your paychecks rather than as a single line item, which is exactly why some households notice it in March rather than January and assume something went wrong with payroll.

The final regulations also allow plans to use what is called a deemed Roth election. Under that approach, a participant subject to the requirement who has an existing pre-tax catch-up election can have it treated as a Roth election automatically, with an opportunity to change it. If your election looks different this year than what you remember selecting, that mechanism is a likely explanation, and your plan administrator can confirm whether your plan uses it.

On the other side of the ledger, that catch-up money is now in a Roth source inside the plan. Qualified withdrawals from a designated Roth account come out tax-free if the rules are met, and the Internal Revenue Service publishes the current catch-up limits and Roth requirement as part of its retirement topics guidance. Whether paying tax now in exchange for that treatment fits your situation is a question about your bracket today compared with your expected bracket in retirement, and it is not a question anyone can answer from the outside.

Where 403(b) and 457(b) Plans Fit

Physicians at nonprofit hospitals and academic centers often have a 403(b) rather than a 401(k), and the Roth catch-up requirement applies the same way. The 403(b) also has its own separate 15-year service catch-up available in some plans, which operates under different rules and is not the age-50 catch-up described here. If your plan offers both, walk through the interaction with your plan administrator rather than guessing.

The 457(b) picture requires a distinction that is easy to miss. Governmental 457(b) plans, the kind offered by state universities and public hospital districts, do have age-50 catch-up contributions and are covered by the new Roth requirement. Non-governmental 457(b) plans, offered by many private nonprofit hospitals, work differently. They are not eligible for the age-50 catch-up under the same section of the code, so the Roth catch-up rule does not reach them in the same way.

That distinction matters for a reason well beyond catch-up contributions. Money in a non-governmental 457(b) remains an unsecured obligation of your employer and can be exposed to the employer's creditors, which is a meaningful risk to weigh before deferring compensation there. We treat that risk seriously and generally counsel caution with non-governmental 457(b) contributions. The Internal Revenue Service guidance on 457(b) deferred compensation plans lays out the structural differences, and we walk through them in more depth in our discussion of governmental versus non-governmental 457(b) plans for hospital-employed physicians.

How Physician Households Typically Work Through This

There is no verdict to hand down here, because the rule is not optional for the people it covers. What is left is a set of adjustments, and the ones that come up most often in planning conversations look like this.

The first is a cash-flow check. If your take-home pay is lower this year and nothing else changed, the catch-up shift is a candidate explanation. If your household runs a tight monthly plan around a mortgage, tuition, and childcare, it can be worth confirming the number.

The second is a look at the balance between pre-tax and Roth money across everything you own. Many attending physicians have spent a career deferring taxes and now hold most of their retirement savings in pre-tax accounts. Adding Roth dollars each year changes that mix over time. Whether that is welcome or unwelcome depends on your projected required minimum distributions, which are the withdrawals the tax code requires from pre-tax retirement accounts once you reach the applicable starting age under current rules, and on what your bracket is likely to look like in your sixties and seventies.

The third is a question about the rest of the year's tax picture. Losing a pre-tax deduction of $8,000 or $11,250 raises your taxable income relative to the prior year, all else equal. Some physicians review that alongside charitable timing, other deferral opportunities, and whether the higher catch-up for ages 60 through 63 is even available in their plan. These are the kinds of items that belong in a coordinated conversation about tax strategy for physicians rather than handled one at a time as they surface.

The fourth applies if yours is a two-physician or physician-plus-professional household. Because the test runs per person and per employer, you and your spouse, both over 50, can end up on different sides of it in the same year. That asymmetry occasionally creates flexibility you can see when you look at your household's total pre-tax and Roth contributions together instead of separately.

Questions Worth Bringing to Your Plan Administrator

Most of what determines your specific answer lives in your plan document, not in the tax code. A short list of things human resources or your plan administrator can confirm:

• Whether the plan has identified you as subject to the Roth catch-up requirement for 2026, and which prior-year wage figure it used.
• Whether the plan uses a deemed Roth election, and what your current election actually says.
• Whether the plan offers the higher catch-up for the year you turn 60 through 63, since that provision is optional.
• Whether any catch-up amounts were processed as pre-tax early in the year, and how the plan corrects that. The regulations provide correction methods, and plans handle them differently.
• Whether the plan permits after-tax contributions beyond the deferral limit with in-plan Roth conversion, which is a separate feature from the catch-up rule and one that some physician plans support.

The Part That Has Not Changed

It is easy to read a rule change like this as a loss, because a deduction you used to take is no longer available. A steadier reading is that the contribution limit did not shrink. You can still put $32,500 into your employer plan at 54, or $35,750 at 61 if your plan offers the higher catch-up. The tax treatment of one slice moved, and the account it lands in has different rules on the way out.

What the change does do is add one more moving piece to a picture that already has plenty. You are managing a demanding clinical schedule, and the amount of attention available for plan documents and indexed thresholds is limited. That is a reasonable place to want help.

The change itself will arrive as a difference in your January paychecks whether you plan for it or not. What is worth deciding ahead of time is how the Roth catch-up fits your household's mix of pre-tax and Roth dollars, and that depends on numbers a payroll system never sees. Our team works through changes like this with physician families, and you are welcome to bring the question to us or email contact@physicianfamily.com. Your own certified public accountant or a CFP® professional who knows your full picture is the right place to land on the specifics.

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