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NIX partnered with a premier US healthcare technology provider to develop an autonomous AI voice agent for insurance verification automation and faster specialty medication onboarding.
Healthcare
Web Development, AI, AI Agent
Our client is a premier US healthcare technology firm providing Hub Services—a centralized support model that coordinates the complex logistics of specialty medication access. Supporting over 80 major drug brands, they act as a critical intermediary between manufacturers, healthcare providers, and insurance payers, helping navigate administrative complexity. In the high-stakes specialty pharmaceuticals sector, the company manages the intricate onboarding process, including patient registration, benefit verification, and prior authorization.
Previously, the client relied on manual intervention when data could not be retrieved via APIs or third-party sources, resulting in delays that directly affected time to treatment initiation (TTI). To accelerate access to life-critical medications, the client aimed to replace manual outreach with an AI-powered voice agent and turned to NIX, their trusted long-term technology partner, to bring this solution to life.
This greenfield initiative focused on developing an autonomous AI voice agent for healthacre. Having demonstrated our deep expertise in conversational AI and SIP telephony, we integrated directly into the client’s internal engineering team to deliver the following:
Architectural design and implementation: Contributed to the agent’s end-to-end architecture, including a compliant voice generation service and a comprehensive AI observability framework.
Infrastructure and telephony: Managed core infrastructure and SIP telephony integration to ensure seamless communication flows.
Dialogue and evaluation: Fine-tuned complex dialogue behaviors and developed rigorous evaluation harnesses to ensure data accuracy and conversational reliability.
We led high-impact workstreams across infrastructure, security, and conversational design. Our approach centered on building a robust, pluggable architecture that allowed the voice agent to interact with various AI models and telephony systems. This modular design enables upgrading individual components—such as switching to a faster language model—without rebuilding the entire system.
Data privacy is paramount in healthcare. To ensure 100% compliance with BAA and HIPAA standards, we engineered a self-hosted text-to-speech (TTS) service.
The sophisticated voice agent’s task isn’t limited to speaking—it must also listen, understand context, and master the natural flow of conversation required to navigate a live phone call.
Testing a voice AI is far more complex than testing standard software. We introduced a dedicated evaluation layer using a platform called Langfuse, which has since become a standard for LLM engineering, observability, and automated quality evaluation across the client’s company.
The voice agent is a critical link in a larger automation chain, functioning as one stage in a high-speed data pipeline, ensuring a frictionless flow of information across a sophisticated tech stack:
Together with the client’s team, NIX delivered a fully functional voice AI in healthcare that autonomously handles multi-turn insurance calls, converting complex conversations into structured, auditable clinical data with secure recordings and full observability. The solution reduces the need for manual verification teams, lowers operational costs, and helps accelerate treatment initiation—the client’s key KPI. It is currently in the active demo phase and undergoing final stakeholder refinements.
90%
Faster processing time
70%
Automation rate
95%+
Reduction in per-call cost
30–40%
Total cost savings
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