Erin L. Muellenberg is a seasoned legal professional who practices exclusively in the area of medical staff law. With a deep understanding of hospital governance, credentialing, peer review, and regulatory compliance, Erin provides practical, client-centered advice that aligns with each organization’s operational and strategic goals.

Erin represents medical staffs and governing bodies in fair hearings, disputes between providers and organizations, and litigation related to governance. She also assists clients in the development and refinement of governance documents that strengthen immunities and legal protections, and organizes process flows that support consistent, defensible decision-making.

Clients value Erin’s responsiveness, clarity, and collaborative approach. Whether advising on bylaws, policies, investigations, or medical staff structure, she brings strategic insight and a commitment to service that fosters long-term partnerships built on trust and results.

Before entering private practice, Erin served as Director of Medical Staff Services at a large community-based hospital, gaining firsthand experience with the complexities of medical staff operations. This unique perspective informs her legal counsel, allowing her to deliver solutions that are not only technically sound but grounded in real-world application. Erin continues to hold dual certification as a Certified Professional in Medical Staff Services (CPMSM) and a Certified Provider Credentialing Specialist (CPCS), underscoring her deep expertise in the field. In recognition of her leadership and contributions to the profession, Erin was designated as a fellow of the National Association of Medical Staff Services (FMSP).

Erin is a frequent speaker and author on medical staff issues, presenting to state and national associations across the country. She regularly provides training to medical staffs, governing bodies, and medical staff professionals, helping organizations build stronger, more compliant, and more effective governance structures.

In addition to her legal practice, Erin provides customized leadership training for governing boards, medical staffs, medical staff professionals, and other key team members. These programs are designed to enhance governance, foster collaboration, and support regulatory compliance. Training topics include effective communication and meeting management, conflict resolution, credentialing and privileging, peer review processes, roles and responsibilities, and navigating complex regulatory environments. Formats range from concise presentations to immersive multi-day retreats, and sessions are available both in person and virtually to meet the unique needs of each organization.

Erin’s representative work includes –

• Strategic redesign of governance documents to accurately reflect the structure, functions, roles, and responsibilities of the medical staff organization, ensuring alignment with legal standards and operational realities
• Creative design and implementation of matter-specific plans to address individual performance concerns and disruptive behavior issues, helping organizations navigate sensitive situations with clarity, fairness, and legal protections.
• Successfully representing and advising Medical Executive Committees in conducting corrective action investigations, managing fair hearings and board appeals, and navigating subsequent writ proceedings
• Successfully represented and guided hospital governing board in stepping into the role of the medical staff to implement corrective action, ensuring compliance with medical staff bylaws and regulatory requirements while maintaining medical staff organizational integrity
• Collaborating with health systems and medical staff organizations to develop comprehensive medical staff well-being programs and regional support committees, including the creation of charters and policies that establish robust confidentiality protections and clearly defined boundaries to safeguard sensitive information
• Organize multi-state provider groups into a legally protected peer review body to promote candid dialogue, enhance patient safety, and maximize confidentiality protections under applicable state and federal laws