Stark Law liability under 42 U.S.C. 1395nn can turn on a single valuation judgment call. A compensation arrangement between a hospital or health system and a referring physician must clear two independent tests before several of the Stark Law's compensation-arrangement exceptions can apply: the compensation must reflect fair market value, and the arrangement itself must be commercially reasonable. Treating a fair market value calculation as proof that an arrangement is commercially reasonable, or the reverse, is the analytical error that federal investigators and relators' counsel exploit most often in physician compensation cases.
Two Independent Tests, Not One
Under 42 CFR 411.351, fair market value and commercially reasonable are defined as separate terms. The Stark Law's statutory text at 42 U.S.C. 1395nn requires several of its compensation-arrangement exceptions to be commercially reasonable even if no referrals were made between the parties. The commercial reasonableness element is tested independently of whether referrals exist, and independently of whether the price paid matches the market. A physician practice relying on one of the Stark Law's exceptions should confirm the arrangement satisfies both elements, not just the one a valuation firm priced. Practices sorting out which exception fits a given arrangement can review the exceptions physician practices rely on for the structural requirements each one carries.
What Fair Market Value Measures
Fair market value, as defined at 42 CFR 411.351, means the value in an arm's-length transaction, consistent with the general market value of the subject transaction. For compensation arrangements, general market value is the pay that well-informed parties not otherwise positioned to generate business for each other would agree to at the time they entered the arrangement. The test is objective, asking what an unrelated buyer and seller would agree to pay for this service, independent of the referral relationship between the parties. Physician compensation and productivity survey benchmarks, independent appraisals, and comparable-transaction data are the evidence typically offered to answer this question.
What Commercial Reasonableness Measures
The second test, commercial reasonableness, is defined separately at 42 CFR 411.351. It asks whether the particular arrangement furthers a legitimate business purpose of the parties and is sensible considering their size, type, scope, and specialty. The regulation states that an arrangement may be commercially reasonable even if it does not result in a profit for one or more of the parties, which makes this a business-purpose question, not a pricing one. A physician compensated squarely within a published survey's range can still fail this element if the practice never needed the role, the duties overlap with existing staff, or the hours billed do not match the hours actually worked.
How Valuation Reports Are Used, and Attacked
Valuation professionals typically support fair market value conclusions with survey data, comparable transactions, and income or market approach modeling. Commercial reasonableness opinions are built differently: they examine the physician's actual job description, call logs, time records, and whether the arrangement duplicates coverage the practice already has. In government investigations and False Claims Act litigation, opposing valuation witnesses may attack a report on exactly this seam, arguing that the survey data is stale, that the comparables reflect the wrong specialty or geography, or that the report never independently analyzed commercial reasonableness at all and simply restated its fair market value conclusion as if the two questions were the same.
A valuation report that prices an arrangement correctly but never asks whether the parties needed it has answered only half the Stark Law's question.
Health Law Alliance's attorneys have overseen 2,000+ audits and handled 5,000+ matters, with 25+ years of experience.
Why Early Legal Counsel Is Critical
It is critical that healthcare providers promptly retain experienced healthcare defense counsel upon receiving a subpoena, audit notice, investigative request, or other government inquiry touching physician compensation arrangements. Early legal intervention can protect the provider's rights, ensure appropriate responses to a civil investigative demand or grand jury subpoena, avoid inadvertent admissions, and allow counsel to communicate with investigators on the provider's behalf. A Stark Law exposure built on a weak valuation report compounds quickly once an anti-kickback statute theory or a qui tam relator is added to the same facts, so delay narrows the practice's options rather than preserving them.
How Health Law Alliance Can Help
Health Law Alliance represents healthcare professionals and companies defending against Stark Law and anti-kickback statute exposure. Related compliance questions arise elsewhere in the firm's healthcare fraud defense work, covered in Compliance Program Effectiveness as a Defense, Copay Assistance Programs and Federal Enforcement, and COVID-Era Billing Under Retrospective Review. If a compensation arrangement is already under review, contact Health Law Alliance for a free, confidential consultation on healthcare fraud defense.





