Md. Code, Family Law § 5–3A–22

(a) An order for guardianship of an individual:

(1) except as provided in § 5-3A-23 of this subtitle, § 4-414 of the Estates and Trusts Article, and § 2-123 of the Real Property Article, terminates a parent’s duties, obligations, and rights toward the individual;

(2) eliminates the need for notice to a parent as to the filing of an adoption petition;

(3) eliminates the need for further consent of a parent to adoption of the individual; and

(4) grants guardianship of the individual to a child placement agency.

(b) (1) Unless a court gives legal custody to another person, a child’s guardian under this subtitle has legal custody.

(2) Unless a court orders otherwise and subject to review by the court, a child’s guardian may make all decisions affecting the child’s education, health, and welfare, including consenting to:

(i) adoption of the child;

(ii) application by the child for a driver’s license;

(iii) enlistment by the child in the armed forces;

(iv) marriage of the child; and

(v) medical, psychiatric, or surgical treatment.