Why three financial numbers matter more than the billed charge

A practice can bill the same office visit three times and still take home three different amounts. The gap between the charge on the superbill and the amount a practice is actually allowed to keep is where revenue cycle reality lives, and it is where many physicians misread their own performance.

Using CPT code 99214 as the running example, the discussion turns on a simple point: the charge is only the opening number. Medicare, commercial insurers, and nonparticipating payers each create different reimbursement paths, and only one of those paths is truly under a practice’s control. The rest is governed by contracted allowables, fee schedules, and rules that prevent balance billing for covered services.

Charge setting starts with contract math, not wishful thinking

A participating practice should not set charges below the contracted allowable, because payers reimburse the lower of the charge or the allowed amount. Once the charge is above the allowable, the excess is written off and cannot be collected from the patient for a covered service.

A modest cushion above the best-paying contract makes more sense than a dramatic markup. A $160 charge against a $150 allowable sends a very different signal than a $300 charge against the same allowable, especially when patients can see that a large slice of the bill will be written off as uncollectible. In practical terms, charge inflation may create the illusion of a stronger practice while actually distorting how patients perceive the business.

One sentence captures the math cleanly: inflated charges can make a healthy practice look inefficient.

Charges still matter in three distinct situations. For a covered service billed to an insured patient, the allowable governs and the charge is largely irrelevant. For a carrier with which the practice does not participate, the charge has real leverage. For a noncovered service, such as cosmetic dermatology, the charge becomes the price.

Medicare payment is built from a formula older than the current payment crisis

Medicare’s payment for a code is assembled from three relative value units — work, practice expense, and malpractice — each adjusted by a geographic practice cost index and multiplied by a conversion factor. The relative value units are national; the geographic indices are not. That is why the national average for CPT code 99214 can land lower in one market and higher in another.

The structure was designed to estimate the resources required to deliver care. Work RVUs reflect effort and training. Practice expense captures overhead. Malpractice RVUs account for liability exposure. In theory, the formula still does what it was built to do.

The pressure point is the conversion factor, because changing that single number moves every payment at once. It is less a measure of clinical worth than a policy lever that can be pulled for budget reasons. Over time, the original research base has drifted away from the real cost of providing care, and the result is a payment system that still looks technically rational while increasingly failing to match practice economics.

The demographic math explains why the strain has worsened. Medicare opened in 1965, when average life expectancy was 70.2 years, meaning the program covered about 5.2 years per beneficiary. By 2024, average life expectancy was near 79 years, or roughly 14 years per beneficiary. Fewer workers now support more beneficiaries, and that imbalance pushes every payment discussion into a tighter fiscal box.

Why front-desk collections have become harder

Higher deductibles have shifted a growing share of the allowable onto patients, which means collection work has moved upstream to the front desk. The problem is mechanical and immediate: staff do not know the final code at check-in, so they cannot know the exact allowable yet.

Collecting something at the visit is often better than collecting nothing. Unless stop-loss coverage is clearly exhausted, a modest copay or deductible payment at the door can reduce later friction and lower the risk of sending a patient home with a surprise balance after the claim processes. The workflow burden is real, though, because accurate collection requires instant access to carrier-specific allowances and a realistic understanding of what the visit will ultimately code as.

Gross collection percentage can punish efficient billing

Gross collection percentage is one of the most misleading numbers in practice management because it uses charges as the denominator. If a practice bills $300 for a service with a $150 allowable and collects $148, the gross collection percentage looks poor even when the practice has done nearly everything correctly. The same visit billed at $175 would produce a much better-looking ratio without changing the actual reimbursement at all.

Net collection percentage tells a more useful story because it measures what was collected against what should have been collected. In the example used here, $148 collected against a $150 allowable comes out to roughly 99%. That is the number that tracks business performance. Gross collection percentage, by contrast, can be dragged down simply because the practice charges too high a number on paper.

One hard truth follows from that math: a high charge can cap your gross collection rate before the billing team ever touches the claim.

Accounts receivable carries the same distortion. Because A/R is built on charges rather than expected collections, a large outstanding balance can look alarming even when much of it will be written off contractually. A practice with $65,000 in A/R against $160,000 in charges may think its billing office is underperforming when the real issue is that the denominator is inflated. Once contractual write-offs are removed from the picture, the performance story can change sharply.

Why the numbers should be read together, not in isolation

Charge, allowable and collected should be viewed as a sequence, not as interchangeable measures. The charge is the list price, the allowable is the payer’s ceiling, and the collected amount is the cash reality. Confusing those three numbers leads to bad decisions about staffing, coding, fee schedules and patient balances.

That is especially important for physicians who benchmark themselves against gross collection percentage or raw A/R without first asking whether their charges are even in the right range. A practice can look inefficient on paper while functioning well operationally, and a practice can look busy while leaking revenue through poor contract management or weak front-end collections.

The strongest financial discipline comes from knowing which number actually reflects performance. In most insured care, that is the allowable and the collection against it, not the sticker price attached to the visit. The article leaves one unresolved operational question hanging in the background: how many practices still make major financial decisions based on charge-based metrics that were never designed to measure real yield.


Reporting by Dr. Clara Evans, DDS, MS, FACS for Medicine World Foundation, with additional data provided by Medical Economics.