Photo: Dustin Chambers/Bloomberg via Getty Images Walmart Health is eyeing more Medicare Advantage business as it prepares to nearly double the footprint of its in-store clinics. Driving the news: The big retailer said Thursday it’s planning to add 28 additional health clinics — which offer primary care, behavioral health services, vision checks and dental care within select Walmart stores — in 2024. The new clinics are planned for Walmart Supercenters in Dallas, Houston, Phoenix and Kansas City, Missouri. Between the lines: In September, Walmart and UnitedHealth Group announced a 10-year partnership to deliver care to seniors in Medicare Advantage plans. The private Medicare plans are expected to serve more than half of eligible beneficiaries this year and have been highly lucrative for payers. Walmart looked to leverage its relationship with UnitedHealth and targeted expansion in places where it had a deep existing presence and projections for local population growth, said David Carmouche, senior vice president of omnichannel care at Walmart. "Obviously we layer a lens where there is 64-plus demographic growth in those markets. You put that all together and those markets stood out to us," Carmouche told Axios. The big picture: Retailers are increasingly jostling for primary care […]