Zocdoc has spent nearly two decades building something simple to describe but hard to build: a system that connects to thousands of different doctors' scheduling software so patients can book a real appointment online instead of calling and waiting on hold.
Until now, that system mostly lived on Zocdoc's own website and app. This week, the company opened it up. Amazon Health AI will use it for nationwide booking. Google Gemini users have been able to book appointments through Zocdoc since July. Yelp and Healthgrades are adding it too. Blue Shield of California has been piloting it since last year, and the Veterans Health Administration has used a version of it since 2023.
The timing lines up with a real problem. A survey that has tracked physician appointment wait times for two decades found that patients now wait around 31 days on average to see a doctor, the longest wait since the survey began, and up sharply from just a few years ago. Zocdoc's own booked appointments typically happen within 24 to 72 hours, which is the entire pitch: it is not competing on price, it is competing on speed.
There is a second, less visible problem this fixes. Insurance company directories, the lists of doctors you are supposed to be able to call, are frequently wrong. Investigations, including a Senate Finance Committee study, have found that a large share of listed providers turn out to be unreachable, no longer accepting patients, or simply incorrect. This is not just an inconvenience. Courts have started ruling that inaccurate directories can violate federal benefits law, exposing insurers and employers to real legal risk. When Blue Shield of California added real booking to its directory through Zocdoc, the number of available appointment hours in a 90 day window doubled, and actual bookings went up sevenfold. That is a strong sign of how much of the old system was broken.
For Zocdoc, this is a shift in what kind of company it is. It built its profitability on being a destination, taking a fee when someone books a first appointment through its site. The new model is closer to a utility: get paid by other companies for the plumbing, not just for the traffic. This is the same move payment companies made years ago, when checkout buttons quietly started running on someone else's infrastructure behind the scenes.
The bet makes sense because AI chat tools are becoming a new front door for health questions. Zocdoc's own research found that about a quarter of patients have already asked an AI a health question. If Amazon and Google want their AI assistants to be useful for health, not just informative, they need a way to turn a conversation into an actual appointment. Zocdoc is positioning itself as the piece that makes that possible for anyone who does not want to build it themselves.
None of this makes Zocdoc a household name yet. Kharraz has said the top reason people do not use the service is that they have never heard of it, which is why the company just hired its first chief marketing officer. Recognition is the missing piece. The infrastructure is already running quietly behind other people's screens.