The 2026 Medicare Efficiency Adjustment and What It Does to wRVU Compensation Plans

The 2026 Medicare Physician Fee Schedule final rule made two structural changes that practice leaders are still working through: a dual conversion factor split between qualifying Alternative Payment Model (APM) participants and everyone else, and a -2.5% "efficiency adjustment" applied to the work RVU component of a large set of codes. The conversion factor split has drawn most of the early attention because it changes what a code pays in dollars. The efficiency adjustment has drawn less attention, but it does something that matters more for compensation plans: it changes the wRVU value assigned to the work itself, independent of what CMS pays for it.

For a practice that pays physicians on a wRVU production or threshold model, that distinction is the whole story. A conversion factor change affects revenue. A wRVU value change affects the number the compensation plan is actually built on.

What the efficiency adjustment actually does

CMS's efficiency adjustment reduces the work RVU value assigned to many non-time-based services, on the reasoning that gains in clinical efficiency over time should be reflected in lower relative value for the same service. The adjustment applies to the wRVU inputs used to calculate the fee schedule, not to how a physician performs the service or how long it takes. A visit or procedure billed under an affected code in 2026 is documented, coded, and delivered the same way it was in 2025. What changes is the number of work RVUs CMS assigns to that same claim.

PYA's analysis of the final rule makes this point directly: the efficiency adjustment can break an existing wRVU-based compensation plan even when a physician's clinical behavior and productivity have not changed at all. The mechanism is not a performance problem. It is a valuation problem. The same volume of the same work, coded the same way, now generates a lower wRVU total simply because CMS revalued the inputs.

This is a narrower and more specific issue than the general critique of wRVU-based pay, which centers on whether volume is the right thing to reward in the first place. The efficiency adjustment does not raise a question about whether wRVU is a good compensation metric. It raises a question about whether a wRVU number calculated under the 2026 fee schedule can be compared, without adjustment, to a threshold or target that was set under the 2025 fee schedule or earlier.

How a threshold gets missed

Consider a family medicine provider on a compensation plan with a wRVU bonus tier: a base salary, plus a bonus once annual production crosses a fixed wRVU threshold, say 4,800 wRVUs. The plan document states the threshold as a flat number, set several years ago and left unchanged since.

Suppose this provider's actual clinical volume, patient mix, and coding pattern are identical in 2026 to what they were in 2025. Under the 2025 wRVU values, that volume produced 4,850 wRVUs, clearing the threshold by 50 wRVUs and triggering the bonus. Under the 2026 fee schedule, a portion of that provider's visit mix falls under codes subject to the -2.5% efficiency adjustment. The same charts, the same coding, the same number of patients seen, now sum to something below 4,800 wRVUs.

Nothing about the provider's practice pattern changed. The provider did not see fewer patients, code less thoroughly, or become less productive by any clinical measure. The number used to measure production changed because CMS changed what the codes are worth in wRVU terms. But from the provider's perspective, and from the point of view of anyone reading the compensation statement without knowing about the efficiency adjustment, it looks exactly like a productivity decline, and it costs the provider a bonus that the identical work would have earned the year before.

Multiply this across a group with dozens of providers on similar plans, and the effect is not a handful of individual disputes. It is a group-wide compensation shift that has nothing to do with anyone's clinical performance and everything to do with a valuation change embedded in the fee schedule.

What to check in a comp plan before year-end

Medical Economics has flagged the broader 2026 fee schedule changes as a major administrative concern heading into the new year, and compensation plan mechanics are one of the areas practice leaders should look at directly rather than assume will sort itself out. A few specific checks are worth running against any existing wRVU-based plan:

• Does the plan reference raw wRVU counts, or a dollar conversion? A plan that pays out based on wRVUs multiplied by an internal conversion factor can, in principle, be rebased to hold total compensation roughly stable even as the underlying wRVU values shift. A plan built on a fixed wRVU count as the trigger has no such flexibility unless someone updates the number.
• Are thresholds and tiers fixed numbers, or indexed to something? A static threshold, set once and left alone, does not account for a CMS-driven change in what the codes underneath it are worth. Practices should identify every fixed wRVU number in every plan document and confirm whether that number still makes sense under the 2026 valuation.
• Which codes in the provider's typical billing mix are subject to the efficiency adjustment? The adjustment does not apply uniformly across the fee schedule. A practice needs to know, code by code, how much of a given specialty's or provider's typical volume falls under the affected set before it can estimate the size of the effect.
• Is the plan document specific enough to allow a mid-year correction? Some compensation agreements include language addressing external payment-rule changes; many do not. Where the plan is silent, a practice should decide in advance how it intends to handle a shortfall against threshold that is traceable to the rule change, rather than deciding case by case after providers see their statements.
• Can the practice reproduce last year's wRVU total under this year's values, and vice versa? Running the same clinical activity through both the 2025 and 2026 wRVU tables is the most direct way to isolate how much of any year-over-year change is a valuation effect versus an actual change in volume or coding.

None of this requires predicting how CMS will handle future rule changes. It requires separating, in the current comp plan, what is actually a measure of physician effort from what is a number set by a federal fee schedule that can move independent of that effort. A plan that cannot make that separation will keep producing results that look like performance problems and are not.