a. A physician licensed pursuant to chapter 9 of Title 45 of the Revised Statutes shall not use an employee to administer physical modalities to patients unless that employee is a health care provider licensed in this State.
As used in this subsection, physical modalities mean ultraviolet (B and C bands) and electromagnetic rays including, but not limited to, deep heating agents, microwave diathermy, shortwave diathermy, and ultrasound.