Md. Code, Insurance § 15–711

(a) This section applies to each individual or group health insurance policy or contract that is:

(1) delivered or issued for delivery in the State by an insurer or nonprofit health service plan; and

(2) issued, renewed, amended, or reissued on or after October 1, 1993.

(b) An insurer or nonprofit health service plan may not impose a time limit on the receipt of services covered under a policy or contract subject to this section that are provided during the policy or contract period by a physical therapist licensed under the Health Occupations Article.

(c) This section does not prohibit an insurer or nonprofit health service plan from imposing a limit on the number of visits with a licensed physical therapist that are allowed under a policy or contract.