Maryland Code, Insurance § 15-702

(a) This section applies to each self-funded group insurance plan that:

(b) Notwithstanding any other provision of a self-funded group insurance plan subject to this section, if the plan provides for reimbursement for a service that is within the lawful scope of practice of a physician, dentist, or podiatrist, the plan may not prohibit a person covered by the plan from being reimbursed for the service regardless of whether the service is performed by a physician, dentist, or podiatrist.