Amazon is buying clinic operator One Medical in a $4 billion bet on healthcare

• Amazon is buying healthcare provider One Medical for $3.9 billion.
• It's one of Amazon's biggest acquisitions ever.

Amazon is taking a leap into healthcare by $4 One Medical, the companies announced on Thursday.

The e-commerce giant will buy the health-clinic operator for $18 per share in a deal that values One Medical at $3.9 billion. It ranks among Amazon's biggest acquisitions, beat only by its $4 for $8.5 billion and its $4 for $13.7 billion.

One Medical promises to take some of the drudgery out of getting seen by a doctor by offering a range of medical services to customers who pay $199 per year. It offers 24/7, on-demand virtual care, and members can use the company's app to make same-day or next-day appointments for in-person visits. It also cares for some seniors in the US Medicare program, after a$4.

As of the end of March, One Medical operated 188 locations across the US and served about 767,000 members, according to a $4.

"We think health care is high on the list of experiences that need reinvention," said Neil Lindsay, senior vice president of Amazon Health Services, in a statement. "We see lots of opportunity to both improve the quality of the experience and give people back valuable time in their days."

It isn't Amazon's first foray into healthcare. The company $4 for roughly $750 million. It is building out its own $4, which offers virtual consultations and at-home visits from doctors.

Bloomberg News $4, which runs a pharmacy chain and offers health insurance, had expressed interest in acquiring One Medical. CVS decided against a deal, but One Medical was seeking other offers, Bloomberg reported.