Maryland Code, Estates and Trusts § 13.5-104

(1) Hold an evidentiary hearing;

(2) Order a person in the other state to produce or give evidence in accordance with procedures of that state;

(3) Order that an evaluation or assessment be made of the respondent, or order an appropriate investigation of a person involved in a proceeding;

(4) Forward to the court of this State a certified copy of the transcript or other record of a hearing under item (1) of this subsection or any other proceeding, evidence otherwise presented under item (2) of this subsection, and any evaluation or assessment prepared in compliance with a request under item (3) of this subsection;

(5) Issue any other order necessary to ensure the appearance of a person necessary to make a determination, including the respondent or the incapacitated or protected person; and

(6) Issue an order authorizing the release of medical, financial, criminal, or other relevant information in the other state, including protected health information as defined in 45 C.F.R. § 164.504.