Amazon has been elbowing into the healthcare industry, including health benefits for employers in a bid to lower sharply rising costs. Two years ago, the e-commerce giant launched a hybrid care program for employers, which includes a virtual care element tied to in-person care in specific locations.

Though Amazon expanded the virtual care program nationwide in February, its in-person benefit has lagged behind, scheduled to be offered in roughly 30 U.S. cities by the end of this year. Nabbing One Medical, which operates an expansive network of clinics and says it is the largest independent practice in the U.S., could be a bid to bolster the Amazon Care program. Amazon has not yet responded to a request for comment on how One Medical will be folded into its existing healthcare operations.

The Amazon deal comes as somewhat of a surprise to the healthcare sector. Despite the acquisition rumors, One Medical’s cash-burning and riskier Medicare segment could be “unpalatable” for larger tech firms like Amazon, Citi analysts argued earlier this month.

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