Md. Code, Health - General § 19–705.7

The 24-hour toll free telephone access system provided by each health maintenance organization shall:

(1) Enable members and providers to determine, with one telephone call, the primary care provider assigned to a member; and

(2) Enable providers to determine, with one telephone call, the names of three contracted specialist providers for the health maintenance organization who also have staff privileges at a particular hospital in the State.