Sec. 7. (a) The relationship between an individual performing professional services as an employee of a professional corporation and a client or patient is the same as if the individual performed such services as a sole practitioner.
(b) The relationship between a professional corporation performing professional services and the client or patient is the same as between the client or patient and the individual performing the services.
(c) A privilege applicable to communications between a person rendering professional services and the person receiving such services recognized under Indiana law remains inviolate and extends to a professional corporation and its employees in all cases in which it applies to communications between an individual rendering professional services on behalf of the corporation and the person receiving such services.