Md. Code, Business Occupations and Professions § 6–315

The State Board may investigate or act in a disciplinary proceeding against a licensee notwithstanding:

(1) a lapse, by operation of law, of the State license of the licensee;

(2) a suspension of the State license of the licensee by order of the State Board or a court; or

(3) a voluntary surrender of the State license of the licensee to the State Board.