He said an ACA replacement should cover pre-existing conditions and preventive care.
Republicans lawmakers are exploring how the Trump administration can quickly trim required benefits and lower costs.
About 2.5 million people with individual or family insurance plans outside of Obamacare could be eligible for tax subsidies.
The average deductible jumped 13 percent to $1,221 this year for individuals.
The company is pulling out of Dallas and New Jersey after suffering significant losses.