N.H. Rev. Stat. Ann. § 329:16-h

Any person whose name has been placed on the inactive list may be restored to active status upon the filing of a written request for reinstatement of license, accompanied by the reinstatement fee as established by the office of professional licensure and certification, proof of satisfaction of continuing medical education requirements established by RSA 329:16-g, and such other evidence of professional competence as the board may reasonably require.