This title applies to an individual who practices audiology, hearing aid dispensing, speech–language pathology, or music therapy, or assists in the practice of speech–language pathology or audiology in the State. This title does not: Limit the right of an individual to practice a health occupation that the individual is authorized to practice under this article; Prohibit an individual from practicing any other profession that the individual is authorized to practice under the laws of this State; Limit the right of a physician who is authorized to practice medicine under the laws of the State to treat the human ear or fit hearing aids; or Apply to the servicing, marketing, sale, dispensing, use, customer support, or distribution of over–the–counter hearing aids through in–person transactions, by mail, or online as authorized by federal law and regulations.