Medicare Telehealth Improvement Act of 2008 - Amends title XVIII (Medicare) of the Social Security Act with respect to telehealth services to provide for: (1) an increase in the number of types of originating sites; (2) no facility fee for certain such sites; (3) expansion of practitioners eligible to furnish telehealth services; and (4) changes in the process for updating the list of telehealth services.
Directs the Secretary of Health and Human Services to set up a Telehealth Advisory Committee to make recommendations on the appropriate addition or deletion of telehealth services and Healthcare Common Procedure Coding System (HCPCS) codes.