If requested by the Commission, a covered employee who is eligible for compensation under this title shall submit to a medical examination at a place and time reasonably convenient to the covered employee, in accordance with the regulations of the Commission. If the covered employee obstructs or refuses to submit to a medical examination requested by the Commission under subsection (a) of this section, the right of the covered employee to compensation is suspended until the examination has taken place. Compensation is not payable during or for the period of the suspension.