Supporting an MSO management fee at fair market value
Regulators expect a management fee to bear a reasonable relationship to the cost of the services. The workflow that gets there: build the cost base, apply a market markup, test from both directions, and document it.
A fair market value management fee is the cost of the services the MSO provides plus the markup a comparable manager earns. That is the definition worth memorizing, because everything a reviewer will ask about an MSO fee is a version of one question: does this fee bear a reasonable relationship to the cost of the services?
"Everyone charges 30%" does not answer it. A survey of what other MSOs charge does not answer it either, since the fees being surveyed were mostly set the same lazy way. Support means building the fee from parts a reviewer can test. There are two.
Part one: the cost base
Start from the management services agreement, not the fee. List what the MSO delivers: clerical and administrative staff, office overhead and facilities, equipment, supplies, billing infrastructure, non-physician clinical labor where the MSA includes it. Each category has a market cost, and the sum is the cost base, usually expressed as a percentage of practice net revenue so it scales with the analysis.
Two ways to fill it in. Bottom-up, from the MSO's own books, which is stronger when the books are clean and the allocations defensible. Or benchmark, from median non-clinical cost by specialty, built from public CMS data on roughly 1.1 million clinicians. The median specialty carries 46.6% of net revenue in non-clinical cost; dermatology carries 61.4%, emergency medicine 16.6%. In practice the benchmark checks the books: an internal cost base far from the specialty median needs a story, and a reviewer will ask for it.
The denominator matters. Net revenue, not collections at some historical high, and the cost base moves when the MSA scope moves. An MSO that hands payer contracting back to the practice, which several states now require, should show a smaller cost base afterward.
Part two: the markup
Cost alone is not FMV. No manager sells at cost, so the fee needs the margin a market participant would earn, and M&A evidence supplies it: across 73 healthcare outsourced-services transactions in the Scope Research Healthcare M&A Valuation Database, the median EBITDA margin is 18.5%. Converted to the cost-up convention appraisers price in, markup = margin / (1 minus margin), that is a 22.7% markup on cost.
The build-up above is dermatology at full scope: 61.4% of net revenue in cost, 13.9 points of markup, a supportable fee near 75.3% of revenue. Narrower scope, smaller cost base, same markup logic.
Test from both directions
A fee supported one way is half supported. The cost check asks whether the fee covers services that cost that much to deliver. The markup check asks whether the implied profit sits where the market sits. A fee can pass one and fail the other: a bloated cost base with a modest markup, or a lean cost base with a 40% margin nobody comparable earns. Both failures are visible in a quality of earnings review, which is where mispriced fees now get caught even when no regulator is looking.
Then test the structure itself. A perfectly sized fee in a form the state prohibits is still a problem, and percentage-of-revenue forms are prohibited or risky in several states. Cost plus survives structural review in more places than anything except a flat fee, and a defensible flat fee is just a cost-plus fee frozen for a term.
Documentation that holds up
What a reviewer asks for, in the order they ask for it: the MSA, with a service list specific enough to price. The cost support, internal or benchmarked, category by category. The markup support, with the comparable set named. The refresh history, because a fee set in 2019 and untouched since is evidence of nothing. Annual refresh is a reasonable norm; refresh on any MSA amendment is not optional.
None of this replaces the appraiser. The two-check build is the analysis an FMV opinion is written on, and doing it first means the opinion confirms a number instead of rescuing one. It also means that when a state agency asks for the fee support, the file already exists.
Common questions
What is a fair market value management fee? The cost of the services the MSO provides plus the markup a comparable manager earns above cost. The market median markup is 22.7% on cost, implied by 73 healthcare outsourced-services M&A comparables.
How do you calculate a cost plus management fee? Build the cost base from the MSA's service list, benchmarked or from the MSO's books, then apply a market markup. Median non-clinical cost spans 16.6% to 75.7% of net revenue by specialty, so the specialty benchmark is the starting point.
What markup is defensible? The median comparable-manager EBITDA margin is 18.5%, an implied 22.7% markup on cost. Deviations need appraiser support tied to scope, risk, and service mix.
Is FMV for management fees the same as FMV for physician compensation? Same standard, different evidence. Physician comp leans on compensation surveys; management fees lean on service costs and manager margins. Both end in a qualified appraiser's opinion.
Sources and method
Cost benchmarks are built from public CMS data covering roughly 1.1 million clinicians, expressed as median non-clinical cost as a percentage of practice net revenue by specialty. Markup benchmarks are implied by EBITDA margins of 73 healthcare outsourced-services M&A transactions (2012 to 2026) in the Scope Research Healthcare M&A Valuation Database. Figures cited are free-tier medians from the MSOs module.
This article is a market-data benchmarking resource. It does not provide, and must not be relied upon as, a fair market value determination, valuation opinion, appraisal, or legal, tax, or compliance advice. The opinion of value for any specific arrangement remains the professional judgment of a qualified appraiser.