Md. Code, Health Occupations § 19–307

(a) Subject to the provisions of subsections (b) and (c) of this section, a license authorizes the licensee to practice social work while the license is in effect.

(b) A licensed social worker may practice social work only within the scope of the specific category of license issued by the Board.

(c) (1) A licensed bachelor social worker may not:

(i) Engage in independent practice unless the licensed bachelor social worker is approved by the Board to engage in independent practice in accordance with § 19–302(f) of this subtitle;

(ii) Make a clinical diagnosis of a behavioral health or emotional disorder;

(iii) Provide psychotherapy; or

(iv) Engage in private practice.

(2) A licensed master social worker may not:

(i) Engage in independent practice unless the licensed master social worker is approved by the Board to engage in independent practice in accordance with § 19–302(f) of this subtitle;

(ii) Treat behavioral health or emotional disorders or provide psychotherapy without the supervision of a licensed certified social worker–clinical;

(iii) Diagnose a behavioral health disorder without the supervision of a licensed certified social worker–clinical; or

(iv) Engage in private practice.

(3) A licensed certified social worker may not:

(i) Treat behavioral health or emotional disorders or provide psychotherapy without the supervision of a licensed certified social worker–clinical;

(ii) Diagnose a mental disorder without the supervision of a licensed certified social worker–clinical; or

(iii) Engage in private practice.