(a) Meetings of the board are open to the public in accordance with Chapter 551, Government Code. This subsection does not require the board to conduct an open meeting to deliberate:
(1) pricing or financial planning information relating to a bid or negotiation for arranging or providing services or product lines to another person if disclosure of the information would give the advantage to competitors;
(2) information relating to a proposed new service, product line, or marketing strategy;
(3) patient information made confidential under Chapter 159, Occupations Code, or Subchapter G, Chapter 241, Health and Safety Code; or
(4) information that relates to the credentialing of physicians or to peer review and that is made confidential under Subchapter A, Chapter 160, Occupations Code, or Subchapter G, Chapter 241, Health and Safety Code.
(b) The board shall keep a record of its proceedings in accordance with Chapter 551, Government Code.