Eric Schweiger began with one Midtown office and a consumer-grade complaint: seeing a dermatologist took too long. Six messy integrations and at least $155 million of disclosed growth capital later, his group has become a coast-to-coast test of whether convenience and clinical care can scale together.
OpenCall.ai is a San Francisco AI startup (Y Combinator W24) that builds AI voice agents to answer, route, and resolve business phone calls. Trained on thousands of real-world workflows, its agents book appointments, verify insurance, and update records, integrating with existing software and going live in under an hour. The company targets service businesses - especially healthcare practices - promising to capture missed-call revenue while cutting call-handling costs by 50-80%.