# Is R1 RCM using AI agents for patient billing calls?

> R1 RCM, which runs revenue cycle operations for health systems, is testing a Sierra AI agent on incoming patient calls. Sierra reports the agent resolving up to 40% of incoming calls in early testing.

- **Evidence grade:** B — Named organization with a quantified outcome, from the vendor or the organization's own announcement.
- **Organization:** R1 RCM (healthcare revenue cycle management company)
- **Industry:** Hospitals & Health Systems — Revenue cycle management (provider services)
- **Roles:** Revenue Cycle & Prior Auth, Customer Support
- **Tools:** Sierra AI agent (Sierra)
- **Status:** pilot · **Agent pattern:** voice-agent · **Autonomy:** 3/4
- **Last verified:** 2026-10-17

## Reported outcomes
- call resolution (early testing): up to 40% of incoming calls [1] (self-reported)

## How it works
1. AI agent answers inbound patient calls on behalf of R1's provider clients.
2. Escalates unresolved calls to human representatives.

## Risks & compliance
- Wrong or hallucinated answers to customers; needs guardrails and handoff
- Vendor-published results; not independently audited
- PHI and patient financial data (HIPAA)

## Notes
- Early-testing figure; deployment status recorded as pilot.

## Sources
1. Sierra, "R1 RCM and Sierra" (undated; accessed 2026-10-17) <https://sierra.ai/customers/r1-rcm>
   > "The AI agent is already resolving up to 40% of incoming calls in early testing."

Canonical: https://agentcasefile.com/cases/r1-rcm-sierra-patient-billing-voice-agent/ · License: CC BY 4.0 (summary) · Source: Agent Casefile