private medical evidence and reliance upon reports of a medical examination administered by a private physician if the report is sufficiently complete to be adequate for the purposes of adjudicating a claim. (4) The anticipated impact on the timeline and accuracy of a decision on a claim for benefits under chapter 11 or 15 of title 38, United States Code, if the Secretary were prohibited from requesting a medical examination in the case of a claim in support of which a claimant submits medical evidence and a medical opinion provided by a private physician that is competent, credible, probative, and otherwise adequate for the purpose of making a decision on that claim. (5) Recommendations on how the Department can measure, track, and prevent the ordering of unnecessary medical examinations when the provision by a claimant of a medical examination administered by a private physician in support of a claim for benefits under chapter 11 or 15 of title 38, United States Code, is adequate for the purpose of making a decision on that claim. 4. Annual report Not later than March 1 of each year, the Secretary of Veterans Affairs shall submit to Congress a report that includes, for the calendar year preceding the year in which the report is submitted, the following for each regional office of the Department of Veterans Affairs: (1) The number of times a veteran who submitted private medical evidence in support of a claim for compensation or pension under the laws administered by the Secretary was scheduled for an examination performed by Department personnel because the private medical evidence submitted was determined to be unacceptable. (2) The most common reasons why private medical evidence submitted in support of claims for benefits under the laws administered by the Secretary was determined to be unacceptable. (3) The types of disabilities for which claims for benefits under the laws administered by the Secretary were mostly commonly denied when private medical evidence was submitted.