Leslie Mier

Entry, Negotiation & Filing Team Lead

Entry, Negotiation & Filing Team Lead | Process Optimization & Compliance Strategist

Leslie Mier plays a crucial leadership role in the early and middle stages of the federal arbitration process. As Entry, Negotiation & Filing Team Lead, she ensures that IDR case documentation is processed swiftly, accurately, and in full compliance with No Surprises Act regulations. Her work bridges the technical and operational aspects of provider reimbursement—delivering both efficiency and integrity across high-volume workflows.

Leslie brings structure to complexity. She has a natural gift for managing systems and people, helping her team stay aligned through tight timelines and constantly evolving arbitration standards. She’s part of what makes Callagy Recovery different: our people don’t just follow protocols—they refine them. Under her guidance, the department doesn’t settle for “on time” or “good enough”—they aim for excellence, every time.

Personally, Leslie is driven by growth—both for herself and her family. As a new mom, she’s building a career rooted in purpose and reliability. Whether hiking, doing Pilates, or managing arbitration workflows, Leslie shows up with discipline and heart. That balance is what makes her leadership so powerful—and what makes Callagy Recovery a home for leaders like her.