Latest News. CHA Hollywood Presbyterian Medical Center Appoints Rohit Varma, MD, MPH, as Chief Medical Officer. Dr. Rohit Varma is a World-Renowned Physician Scientist and Brings Unparalleled Experience to his Newest Role with CHA Hollywood Presbyterian Medical Center.How to Reach Us‧Medical Records‧About Us‧Find a Physician‧Directions & Parking‧Careers.