What it is
An IME is a one-time medical evaluation of the claimant by a physician chosen by the opposing party (the defendant's insurer in third-party claims, the claimant's own insurer in PIP, UM/UIM, or workers compensation claims). The IME doctor reviews the claimant's prior medical records, conducts a physical examination (typically much shorter than treating-physician visits — often 15-30 minutes), and produces a written report opining on the disputed medical issues. Common IME opinions favorable to the insurance company: the claimant's injuries should have resolved by now; current symptoms are caused by pre-existing conditions; the treatment provided was excessive; the claimant has reached MMI with no permanent impairment; the claimant is exaggerating or malingering. The "independent" label is technically true (the IME doctor is not the treating physician) but obscures the reality that IME doctors derive substantial income from insurance referrals and tend to produce reports favorable to the side paying them. IMEs are governed by court rules (Federal Rule of Civil Procedure 35 in federal cases; state-equivalent rules in state court) that require notice, reasonable scheduling, and limitations on examination scope.
How it works in practice
In a typical case, after the claimant's damages claim crosses a threshold (often $25,000-$50,000 in medical bills), the defense schedules an IME with a doctor of their choosing. The claimant is required to attend (failure to attend can result in sanctions or dismissal). The IME doctor reviews the records, conducts the exam, and issues a report — often supporting the defense's preferred narrative. The claimant's side then has options: (1) take a rebuttal deposition of the IME doctor to expose biases (frequency of insurance referrals, percentage of plaintiff-vs-defense work, history of similar opinions); (2) retain a counter-expert to produce a competing opinion; (3) emphasize the treating physician's superior knowledge (treating physician saw the claimant 30+ times, IME doctor saw the claimant once for 20 minutes). In jurisdictions that permit it, the claimant may be entitled to have a recording device present at the IME, or to bring a witness, both of which discourage adversarial behavior from the IME doctor. Some states allow the claimant's attorney to attend or video-record the IME.
How Independent Medical Examination (IME) affects your settlement
The IME report is one of the highest-impact single events in any personal injury case — a strongly negative IME can drop settlement value by 30-50%, and a well-rebutted IME that backfires can increase settlement value by similar amounts. Defense attorneys USE the IME as leverage in negotiations: "our IME doctor says the treatment was excessive, so we're only offering X." How the claimant prepares for and responds to the IME materially affects the outcome. Five concrete preparation moves: (1) review your prior medical records and current symptoms thoroughly before the exam — IME doctors will test for consistency; (2) bring a list of current medications, current treatment providers, and chronological symptom history; (3) describe your symptoms honestly but completely — IME doctors are skilled at minimizing the patient's narrative, so be specific about what you can't do (specific activities, specific limitations); (4) if your jurisdiction allows, request to bring a witness or record the exam (defense will usually object but the request itself signals seriousness); (5) report any unusual or unprofessional behavior to your attorney immediately — IME doctor misconduct (aggressive questioning, physical pain during exam, inappropriate comments) can be used to discredit the report. Defense IME doctors who appear repeatedly against the same plaintiff firms develop reputations; experienced PI attorneys keep databases of IME doctors and their typical opinions, which informs preparation and cross-examination. The most effective rebuttal: the treating physician (who has seen the claimant 30+ times over months) will almost always be more credible than an IME doctor (who saw the claimant once for 20 minutes), if the treating physician's records and testimony are well-developed.
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Informational only and not legal advice. Settlement-dollar implications described here reflect typical patterns and may differ in any specific case. Confirm the analysis for your situation with a licensed attorney.