(a) All insurance companies issuing health care liability insurance policies to physicians licensed to practice medicine in this state shall issue policies covering physicians of all classifications of practice; provided, that this subsection (a) shall not be construed to require the issuance of a policy contrary to established underwriting practices.
(b) This section shall not be construed to prevent an insurance company issuing health care liability insurance policies to physicians licensed in the state from limiting the amount of the coverage of the policies or from making a premium surcharge for the insurance in accordance with established underwriting practices.