Two physicians can sign contracts with the identical conversion factor — say $55 per — and end the year $30,000 apart. Not because one worked harder. Because one contract measured production against collections, reset the bonus threshold quarterly, and zeroed out accrued production at termination, and the other did none of those things.
The conversion factor is the number everyone negotiates. It is also the number employers expect you to negotiate, which is why the real money usually hides in the surrounding mechanics. Recruiters quote the rate; the contract defines when it applies, to what, and what happens to it when you cut back, change payers, or leave.
This article covers the seven terms that determine whether a productivity bonus pays what it appears to pay. Each comes with a worked example using realistic numbers. For reference throughout: the 2026 median for Family Medicine is 4,756 wRVUs at a $55/wRVU median conversion factor, with median total compensation of $231,000.
1. wRVU-based payment vs. collection guarantees
The first question to ask of any productivity formula: am I paid on work performed or dollars collected?
A wRVU-based formula pays you on the work relative value units you generate, regardless of whether the practice actually collects from the payer. A collections-based formula pays you a percentage of what the billing office brings in the door. The difference matters enormously, because collections depend on things you do not control: payer mix, billing department competence, denial management, and write-offs.
Example calculation
A physician produces 4,800 wRVUs in a year.
wRVU model at $55/wRVU: 4,800 × $55 = $264,000, full stop.
Collections model at 45% of net collections: the same work bills roughly $620,000 in charges. If the practice collects 92% of expected reimbursement, the physician sees 45% × collected revenue. If the billing office underperforms and collects 84%, the physician's pay drops roughly 8–9% — around $20,000+ — for identical clinical work.
Neither model is inherently wrong, but a collections model transfers the practice's billing risk onto you. If you are offered collections-based pay, ask for the group's historical net collection rate in writing and for language that pays you on expected reimbursement for clean claims, not on whatever survives the denial process. If the employer will not share collection data, treat that as your answer.
2. The lookback period
Production bonuses are calculated over a measurement period — monthly, quarterly, or annually — and the length of that window changes your pay even when the formula does not.
A short window (monthly or quarterly) punishes normal variation. Take two weeks of vacation in a quarter and your production for that window drops roughly 15%, possibly below the bonus threshold entirely. An annual window lets a strong March absorb a slow July.
Example calculation
Contract: bonus of $50 per wRVU above a threshold of 1,100 wRVUs per quarter (4,400 annualized). The physician produces 4,800 wRVUs for the year, but unevenly: 1,350 / 1,250 / 950 / 1,250 (a Q3 vacation plus a payer system outage).
Quarterly calculation: bonuses of $12,500 + $7,500 + $0 + $7,500 = $27,500. The 150-wRVU shortfall in Q3 earns nothing and cannot be recovered.
Annual calculation: (4,800 − 4,400) × $50 = $20,000... but with the same production pattern and no wasted surplus, an annual window pays on every wRVU above threshold. Here the quarterly structure happens to pay more — until a bad quarter wipes out a tier, or a strong quarter's excess is capped. The point is not that one always wins; it is that the window itself is a negotiable term, and you want the one that matches how your year actually flows.
Practical asks: an annual measurement period with quarterly advances (so cash flow stays smooth), and true-up language that reconciles to the annual total. Avoid any structure where a below-threshold quarter forfeits production permanently.
3. Threshold reset timing
If your contract pays a bonus only above a wRVU threshold, find the sentence that says when the threshold resets — and whether unmet threshold carries forward.
The trap is a contract that resets the threshold each period but also carries forward deficits: produce 1,000 against a 1,100 quarterly threshold, and some contracts add the 100-wRVU shortfall to next quarter's hurdle. You can also find the inverse problem: surplus above threshold that does not carry forward, so excess production in a strong quarter evaporates.
Important
The asymmetric version — deficits carry forward, surpluses do not — appears in real physician contracts and is purely employer-favorable. A physician producing exactly 4,400 wRVUs against a 4,400 annual threshold could still earn $0 in bonus under this structure if the production arrived unevenly. Strike it or make it symmetric.
Worked example: threshold 1,100/quarter, $50 per excess wRVU, deficit carryforward, no surplus carryforward. Production: 1,000 / 1,200 / 1,000 / 1,200 (total 4,400). Q1 deficit of 100 rolls into Q2, so Q2's effective threshold is 1,200 — bonus $0. Q3 deficit rolls into Q4 — bonus $0. The physician hit the annual threshold exactly and earned $0; under a clean annual calculation, $0 would also be the result, but produce 4,600 in the same pattern and the asymmetric contract still pays far less than (4,600 − 4,400) × $50 = $10,000.
4. Tiered conversion factors
Many contracts pay escalating rates at higher production: for example $48/wRVU up to 4,500, $55 from 4,501 to 5,500, $60 above that. Two things to check.
First, is the tier marginal or retroactive? A marginal tier pays the higher rate only on wRVUs above the breakpoint, like tax brackets. A retroactive tier re-rates all of your wRVUs at the highest tier achieved. The difference is large.
Example calculation
Production: 5,600 wRVUs. Tiers: $48 to 4,500; $55 to 5,500; $60 above.
Marginal: (4,500 × $48) + (1,000 × $55) + (100 × $60) = $216,000 + $55,000 + $6,000 = $277,000.
Retroactive to top tier: 5,600 × $60 = $336,000.
Same production, same stated tiers — a $59,000 difference depending on one word. Most employers intend the marginal version; confirm which one the contract language actually says, and if you can negotiate retroactive re-rating, it is worth more than a $2 bump in the base conversion factor.
Second, where do the breakpoints sit relative to benchmarks? A first tier that runs to 5,000 wRVUs at a below-median rate, when the MGMA 2026 Family Medicine median is 4,756, means a median-productivity physician never escapes the discount tier. Breakpoints at or below the 50th percentile for your specialty are reasonable; breakpoints near the 75th percentile (5,916 wRVUs for FM) mean the headline top rate is mostly decorative.
5. Payer-mix protection
wRVUs are payer-blind: a level 4 visit generates the same wRVUs whether the patient has commercial insurance, Medicare, or Medicaid. That is the model's virtue — and the reason employers sometimes try to dilute it with payer-based adjustments, such as paying a reduced conversion factor on Medicaid volume or excluding certain visit types from the count.
The deeper risk is indirect: the employer controls your schedule and patient assignment. If the practice shifts your panel toward lower-reimbursing payers, a collections-based physician takes the hit immediately, and even a wRVU-based physician can be affected if the employer responds to margin pressure by cutting the conversion factor at renewal.
Worked example: a physician on 40% of collections sees their panel shift from 60/40 commercial/government to 40/60 over two years. If commercial pays roughly 140% of the government rate for the same work, collections on identical production fall about 12% — roughly $15,000–$25,000 per year on a typical FM income — with no change in effort.
What to ask for: pure wRVU-based payment with no payer-based exclusions or rate adjustments, and a clause stating that all professional services you perform generate countable wRVUs at the published CMS values for that year. If the employer insists on collections, ask for a payer-mix floor: if government payers exceed X% of your visit volume, the formula converts to a wRVU basis.
6. FTE proration
If you work 0.8 FTE, your salary is prorated — and your bonus threshold should be too. Surprisingly often, it is not, or it is prorated by a method that does not how your clinical time actually shrank.
Example calculation
Full-time deal: $240,000 base with a bonus of $50/wRVU above 4,400. A physician drops to 0.8 FTE.
Correct proration: base $192,000, threshold 3,520 wRVUs. Producing 3,900 wRVUs pays (3,900 − 3,520) × $50 = $19,000 in bonus.
Salary-only proration (threshold unchanged at 4,400): the same 3,900 wRVUs pay $0 — the physician is 500 wRVUs underwater against a full-time hurdle while being paid a part-time base. The 0.8 FTE physician effectively donated $19,000.
Also check what counts as FTE. If FTE is defined by total hours including administrative time, but the threshold assumes full clinical hours, a physician with a 0.2 FTE medical-directorship or teaching role can be held to a clinical production target they structurally cannot reach. The threshold should prorate to clinical FTE, and any non-clinical duties should either carry their own stipend or generate threshold credit.
7. Accrued production at termination
The least-read paragraph in the contract decides what happens to bonus you have already earned when you leave. Production bonuses are typically calculated and paid in arrears — often 60 to 90 days after the period closes. If you resign in October, what happens to ten months of above-threshold production?
The employer-favorable versions: bonus is paid only if you are employed on the payment date, or only for completed measurement periods. Under an annual measurement period with employment-on-payment-date language, an October departure can forfeit the entire year's bonus.
Worked example: a physician on a 4,400 annual threshold at $50/wRVU has produced 4,900 wRVUs by October 31. The contract pays the annual bonus the following February 28 "to physicians employed on the date of payment." Resigning effective November 30 forfeits everything. With a pro-rated termination clause — accrued bonus calculated through the last day worked against a prorated threshold (ten months of 4,400 is roughly 3,667 wRVUs) and paid on the normal schedule — the same physician collects (4,900 − 3,667) × $50 ≈ $61,650. The forfeiture version costs this physician every dollar of that. That asymmetry is exactly why employers write it.
Quick takeaway
Ask for one sentence: "Upon termination for any reason other than for-cause, Physician shall be paid productivity compensation earned through the final date of employment, calculated against a prorated threshold, on the next regular bonus payment date." It costs the employer nothing if you stay — and it is the difference between $0 and five figures if you leave.
State wage laws in some jurisdictions treat earned production bonuses as wages that cannot be forfeited, but enforcement and definitions vary widely — ask the attorney reviewing your contract whether your state's wage law protects accrued production pay.
Common questions
Should I take a higher base or a higher conversion factor?
Depends on where your realistic production lands. At median FM production (4,756 wRVUs), a $2/wRVU difference is worth about $9,500/year — but only on the wRVUs that actually earn the rate. If a threshold means only 400 wRVUs earn the bonus rate, $2 is worth $800. Run your expected production through both structures before deciding. Early-career physicians ramping a new panel usually want more guaranteed base for years one and two, converting to production thereafter.
What wRVU values apply — and can the employer change them?
Contracts should specify the CMS Physician Fee Schedule wRVU values for a stated year, and what happens when CMS updates them. Insist on language requiring your written consent (or at minimum a compensating conversion-factor adjustment) if the employer changes the wRVU scale or the formula mid-term. A unilateral-amendment clause attached to a productivity formula makes every other term in this article revocable.
Are productivity bonuses guaranteed if I hit the numbers?
Only if the contract says the calculation is formulaic. Watch for "at the discretion of" or "subject to approval by" language attached to the bonus — that converts a formula into a request. Earned production compensation should be a contractual obligation, not a discretionary award.
How do I know if my conversion factor is fair?
Compare against MGMA data for your specialty. For Family Medicine in 2026: $47/wRVU at the 25th percentile, $55 at the median, $61 at the 75th. A $50 offer with a 4,756-wRVU expectation is roughly $24,000/year below a median-rate deal at the same production. Specialty-specific data matters — do not benchmark against a different specialty's rates.
What to do next
- Pull out your contract (or offer letter) and find all seven terms: payment basis, measurement window, threshold reset language, tier structure, payer-mix language, FTE definition, and the termination paragraph.
- Model your realistic annual production — last year's actual wRVUs if you have them, the MGMA median for your specialty if you do not — through the exact formula in the document.
- Re-run the model for a bad year: two extra weeks off, a 10% volume dip. The difference between the two runs is the risk the contract puts on you.
- Rank the seven terms by dollar impact for your situation and negotiate the top two or three. Asking for everything dilutes all of it.
- Have a contract attorney with physician-contract experience confirm the termination and amendment language before signing.
If you are already on a productivity contract, the wRVU tracker inside Attending Financial compares your actual production and conversion factor against MGMA 2026 benchmarks for your specialty and generates a negotiation-ready report with the specific dollar gap — so the next conversation with your employer starts from numbers, not impressions.