The country's biggest private hospital operator says it's transformed its business; boosting domestic revenue while announcing a retreat from poorly performing overseas markets.

Ramsay Health Care saw its shares rally yesterday - up more than 10 per cent - exceeding expectations with a 160 million dollar profit for the half year.

CEO Natalie Davis says healthcare providers must continue to innovate for patients - with help from governments and insurers.

• Guest: Natalie Davis, CEO Ramsay Healthcare
• Reporter: Carrington Clarke