The open-book anesthesia subsidy: the structure we recommend

Every anesthesia subsidy structure is trying to solve the same problem: nobody can predict, years in advance, exactly what a group's collections and staffing costs will do. Fixed structures solve it by picking a number and living with it. We think there is a better way.

The structure we recommend is a rolling, open-book subsidy: open financial data, an agreed budget, and periodic reconciliation against real results. You pay the real gap between what coverage costs and what it collects, not a guess locked in for years. Here is how that compares with the structures you are more likely to have inherited, and what to put in writing if you move toward it.

The structure we recommend: rolling and reconciled

An open-book subsidy has three moving parts. First, data: the hospital has standing access to the group's collections by payer, its staffing costs by role, its billing costs and its overhead, not just a single number at renewal. Second, a budget: the parties agree in advance what defined coverage should cost to staff and what it should reasonably collect, given the hospital's own payer mix and case volume. Third, reconciliation: on a set cadence, typically quarterly with an annual true-up, actual collections and actual coverage delivered are compared with the budget, and the subsidy payment is adjusted.

The hospital still advances predictable installments, so the group is not waiting on a shortfall to be discovered at year-end. What changes is that each installment is checked against reality on a schedule, instead of being fixed for the life of the contract or taken on the group's word alone.

The structures you are more likely to have

Most hospital-anesthesia agreements use one of a handful of structures. A 2025 legal analysis of anesthesia contracting for hospital and health-system clients describes the common patterns this way: a fixed stipend, where "a hospital or facility pays the anesthesia group a predetermined, fixed amount, usually on a monthly or annual basis"; a collections guarantee, where the hospital "makes up the difference between the group's actual collections and a pre-established 'break even' amount"; a cost-plus arrangement, where "the hospital reimburses the group for actual costs (salaries, benefits, overhead) plus a management fee or margin"; and hybrid models that combine these, often adding performance metrics such as on-time starts or turnover times.¹

Structure	How it works	What it means for the hospital
Flat fixed stipend	One number, set for the contract term, paid regardless of collections or coverage delivered.1	Simple to budget. No visibility into whether the number is right, and no mechanism to correct it before the next renewal.
Per-anesthetizing-location stipend	A set amount per staffed room or site instead of one lump sum, so the total scales when you add or close locations.	Ties cost to a decision you control. Still typically fixed per location for the term, so it does not track actual collections or actual staffing cost.
Income or collections guarantee	The hospital tops up the group's actual collections to an agreed break-even, with periodic audit of collections and reconciliation.12	Some transparency, but usually only on the revenue side. If the reconciliation window is annual, a full year of drift can pass before it is caught.
Cost-plus or management fee	The hospital pays documented actual costs plus a fee or margin.1	Visibility into cost, little into collections, and limited incentive for the group to control spending, since costs plus a margin are reimbursed either way.
Hospital-employed	The hospital employs the anesthesia staff directly instead of contracting with an independent group.	Full visibility, because it is inside your own books, but the hospital takes on recruiting, credentialing, scheduling and all the operating risk. See our guide to hospital-employed anesthesia and our insourcing service.
Rolling open-book, reconciled (recommended)	Standing data access on both collections and costs, an agreed budget, and a set reconciliation schedule that adjusts the payment.	You pay the real, current gap rather than a number fixed years ago, and the arrangement does not need to be rebuilt from scratch at every renewal.

A fixed stipend, wherever it is set, has no built-in way to tell you whether it is still the right number two years later. Our look at why subsidies keep rising covers the Medicare, pay and coverage trends that move the true gap most years. A fixed number does not move with them until you renegotiate, and by then the gap between the contract and reality may be large.

Why open books protect the hospital

When a group asks for more money and will not show you the collections and cost detail behind the ask, you are being asked to take the number on faith. Without the underlying data, you cannot tell whether the request reflects a real shift in your own payer mix, a pay increase the group had to make to keep clinicians, heavy locum use covering a vacancy, collections lost to slow or poor billing, or simply a wider margin. Each of those has a different right answer. Only one of them, a genuine shift in payer mix or true labor cost, is squarely the hospital's problem to fund. A group that is reluctant to share its books, or treats a standing reporting request as a one-time favor, is telling you something about how it expects the relationship to run.

Open books do not require you to run the group's business. They require enough visibility to check its numbers the way you would check any other large recurring expense. Our questions to ask before renewing list the specific data points worth requesting, and our anesthesia-specific billing and billing questions pieces go further into what collections data should show.

Why it is fair to the group too

Open books cut both ways. Under a rolling, reconciled structure, a group that is running well, collecting what it should and controlling its costs, gets paid for the actual gap it faces, not a number that undershoots because a fixed stipend was set low three years ago and never revisited. A group covering a real, verifiable increase in cost or a real drop in reimbursement does not have to build a case from a standing start and hope the hospital believes it. The data is already visible, on both sides, throughout the term.

That also lowers the temperature at renewal. Much of what makes a subsidy request feel adversarial is that neither side has seen the other's numbers until the ask lands. When the books have been open the whole time, reconciliation looks more like scheduled bookkeeping than negotiation, because both sides already know roughly where the number will land.

What to put in the agreement

Move this from principle to contract with your healthcare counsel involved from the first draft. At minimum, the agreement should address:

• Data rights. Name what the group must share: collections by payer, staffed hours by role, billing costs, overhead allocation and locum spend. A summary report is not the same as access to the underlying detail.
• Reporting cadence. Set a fixed schedule, for example monthly reporting with a quarterly reconciliation and an annual true-up, instead of "as reasonably requested."
• Audit rights. Give the hospital the right to have its own accountants, or an independent third party, audit the group's collections and cost records.
• Agreed budget lines. Define in writing what the budget assumes: coverage grid and hours, staffing mix, expected case volume and expected payer mix. A reconciliation is only as good as the budget it is measured against.
• Reconciliation mechanics, caps and floors. Spell out the formula, the true-up timing, and any cap on how far the subsidy can move in one reconciliation or floor below which it will not fall. Decide here whether unspent budget rolls forward or reverts to the hospital.
• Incentives for billing performance. Tie part of the payment to net collection rate or denial rate, so the group still has a reason to collect well instead of treating the hospital as a backstop for any shortfall. Groups seeking hospital support should expect to commit to this kind of regular performance and financial reporting.¹
• Treatment of locum costs. Decide whether locum spend during a vacancy counts toward budgeted staffing cost as-is, is capped, or needs separate approval. Our look at new-group locum funding requests covers a related version of this question.
• Adjustments when the coverage grid changes. Agree on the formula for what happens to the budget when the hospital opens, closes or changes the hours of a location, so a schedule change does not force a full renegotiation.
• Fair market value support. Under the Stark Law's compensation exception, payment must be set in advance, consistent with fair market value, commercially reasonable even without referrals, and not tied to the volume or value of referrals.³ A payment that moves with reconciliation can still meet that test: the regulations treat compensation as set in advance when a specific formula for calculating it is set out in writing, in enough detail to be objectively verified, before the services are furnished.⁴ Put the reconciliation formula in the agreement from day one. Ask counsel whether an independent fair market value opinion should support the budget, especially if the reconciled subsidy could rise well above prior years.

Worked example: a quarterly reconciliation

These numbers are invented to show the mechanics, not drawn from any real client.

Say a hospital and its anesthesia group agree on a budget for one year of defined coverage: $4,000,000 in staffing, billing and overhead cost to staff the agreed grid, against $3,000,000 in expected collections. The budgeted subsidy is $1,000,000, paid in quarterly installments of $250,000.

In the first quarter, the rooms run busier than budgeted and collections come in at $800,000 against a $750,000 quarterly share. A vacancy covered by locums, within the agreed cap, pushes actual cost to $1,020,000 against a $1,000,000 share. The real gap is $1,020,000 minus $800,000, or $220,000, not the $250,000 already paid. Under a reconciled agreement, the group credits the hospital $30,000 for the quarter. Under a flat fixed stipend, the group keeps it. The next quarter could run the other way, with a shift toward Medicare patients leaving a larger gap, and the hospital would owe the difference. Either way, the hospital pays for the gap that actually happened. An annual true-up then compares full-year actuals against the full-year budget, and the result feeds the next year's budget.

What to check before you move to this structure

• Confirm your contract's current data and audit rights, or the lack of them, before you ask for anything new.
• Agree on the budget lines first, separately from the reconciliation mechanics. Disputes are easier to solve when the two are not negotiated at once.
• Set the reconciliation cadence in the contract, not as an informal understanding. Quarterly with an annual true-up is a reasonable starting point for most hospitals.
• Decide on caps, floors and locum treatment before a real shortfall tests them, not during one.
• Bring counsel in early on the reporting, audit and fair market value language, well before signature.
• Watch for a group that resists sharing books. Treat reluctance to open the numbers as information in itself, not a detail to skip past.

Sources

1. Rachel Carey and Elizabeth Sullivan, "Success in Anesthesia Agreements: Key Strategies for Effective Anesthesia Contracting," McDonald Hopkins Insights, August 2025. https://www.mcdonaldhopkins.com/insights/news/success-in-anesthesia-agreements-key-strategies-for-effective-anesthesia-contracting ↩ ↩² ↩³ ↩⁴ ↩⁵

2. Vicki Myckowiak, "Practical and Legal Aspects of Hospital Financial Support for Anesthesia," Coronis Health, October 2024. https://www.coronishealth.com/blog/practical-and-legal-aspects-of-hospital-financial-support-for-anesthesia ↩

3. U.S. Code of Federal Regulations, "42 CFR § 411.357 – Exceptions to the referral prohibition related to compensation arrangements," via Legal Information Institute, Cornell Law School, current text. https://www.law.cornell.edu/cfr/text/42/411.357 ↩

4. U.S. Code of Federal Regulations, "42 CFR § 411.354 – Financial relationship, compensation, and ownership or investment interest," via Legal Information Institute, Cornell Law School, current text. https://www.law.cornell.edu/cfr/text/42/411.354 ↩