Maryland Code, Health Occupations § 14-410

(a) Except by the express stipulation and consent of all parties to a proceeding before the Board, a disciplinary panel, or any of its other investigatory bodies, in a civil or criminal action:

(b) This section does not apply to a civil action brought by a party to a proceeding before the Board or a disciplinary panel who claims to be aggrieved by the decision of the Board or the disciplinary panel.

(c) If any medical or hospital record or any other exhibit is subpoenaed and otherwise is admissible in evidence, the use of that record or exhibit in a proceeding before the Board, a disciplinary panel, or any of its other investigatory bodies does not prevent its production in any other proceeding.