Amazon agreed Thursday to acquire primary-care company One Medical for about $3.9 billion, including debt, extending the technology and retail giant's push into health care from pharmacy and telehealth toward a national network of physician practices. Under the transaction announcement, Amazon will pay $18 in cash for each share of 1Life Healthcare, One Medical's publicly traded parent.

The deal is one of Amazon's largest moves into the health sector and puts the company in position to combine online services, consumer logistics and in-person medical care. One Medical operates membership-based primary-care offices and virtual-care services for individuals and employers. Chief Executive Amir Dan Rubin is expected to remain in charge after the transaction closes.

Amazon described the acquisition as an effort to make routine care faster and easier to navigate. In an accompanying company statement, Amazon Health Services senior vice president Neil Lindsay said booking appointments, waiting for visits and traveling to clinics remain areas where the company sees opportunities to improve the consumer experience.

One Medical gives Amazon a physical primary-care footprint

Amazon has spent several years experimenting with health care, but One Medical would give it something fundamentally different: established physician practices in major metropolitan markets, employer relationships and recurring membership revenue. One Medical combines same- and next-day appointments with a mobile application and round-the-clock digital access, a model designed to make primary care function more like a consumer service.

The companies' SEC-filed announcement says the transaction values One Medical at approximately $3.9 billion including net debt and remains subject to shareholder approval and regulatory review. The filing also emphasizes that the companies expect to work together on a more seamless combination of in-person and virtual care.

For Amazon, the attraction is not simply ownership of clinics. Primary care is a gateway to referrals, prescriptions, diagnostics and chronic-disease management. A trusted relationship between patient and clinician can connect many services that Amazon has already been building separately.

The acquisition extends an uneven health-care strategy

Amazon's health ambitions predate this transaction. In 2018 it acquired online pharmacy PillPack, a move that provided pharmacy licenses and expertise in packaging prescriptions for people taking multiple medications. Amazon's PillPack announcement described the purchase as a way to improve the pharmacy experience through technology and customer service.

The company subsequently launched Amazon Pharmacy and developed Amazon Care, a hybrid virtual and in-person service initially built for its own workforce and later offered to other employers. The One Medical deal is more substantial because it would place an established medical group inside Amazon rather than build a care network primarily from scratch.

The Washington Post reported that One Medical's footprint and employer contracts could give Amazon a much larger role in primary care, while also raising questions about how patient data would be handled by a company whose core businesses include commerce, cloud computing and advertising. Health information is subject to specialized privacy rules, and the integration of a medical practice with a large consumer-technology platform is likely to draw close scrutiny.

The price reflects both strategic value and a reset in digital health

The $18-per-share offer represents a substantial premium to One Medical's recent trading price, but the company had fallen far below the highs reached during the pandemic-era surge in digital-health valuations. Rising interest rates and slowing growth have sharply reduced investor enthusiasm for many technology-enabled health companies.

CBS San Francisco noted that One Medical had expanded beyond its original direct-to-consumer membership model and had become a significant provider of employer-sponsored primary care. That makes the company attractive to Amazon not only as a network of clinics but also as an enterprise service that can be sold to employers.

The deal also follows One Medical's acquisition of Iora Health, which expanded its exposure to older adults and Medicare populations. That combination creates a broader clinical base but adds complexity because health-care reimbursement, risk arrangements and federal program requirements differ substantially from ordinary consumer services.

Regulatory review will test how far Amazon can integrate health services

The acquisition must clear antitrust review and win approval from One Medical shareholders. Regulators are likely to examine the competitive effects of the transaction and how Amazon's scale, data resources and existing health businesses could interact with One Medical. The transaction is not a conventional horizontal merger between two large medical groups, but Amazon's reach across consumer markets makes the broader competitive analysis important.

Amazon's advantage is its ability to invest for long periods, integrate logistics and software, and make services easy to purchase. Health care is harder to standardize. Clinical quality, local regulation, insurance contracts and the professional independence of physicians impose constraints that do not exist in ordinary retail.

That tension makes One Medical an unusually consequential test of Amazon's health strategy. If the deal closes, Amazon will move from selling medications and operating virtual-care services into direct ownership of a sizable primary-care organization. The $3.9 billion wager rests on the idea that the company's consumer technology and One Medical's clinical network can make routine medical care more convenient without sacrificing the trust, privacy and judgment on which primary care depends.