HOYES & MUELLENBERG LLP

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2026 © HOYES & MUELLENBERG LLP
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2026 © HOYES & MUELLENBERG LLP

Trusted Counsel
Practical Solutions

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Experience, Integrity, & Solutions for Healthcare

We are a California-based healthcare law firm focused exclusively on medical staff law, governance, peer review, hospital operations, and regulatory compliance. Clients rely on us for responsive counsel, creative problem solving, and practical advice on their most sensitive and complex matters. Drawing on decades of experience, we partner with healthcare organizations support quality care and navigate challenging issues with confidence.
About us

"When faced with challenging governance and credentialing matters,  Rebecca and Erin have provided clear, strategic guidance tailored to our organization's needs. Their expertise has been an invaluable resource for our leadership team."—

Medical Staff President
— Chief Medical Officer, Regional Health System"

"The attorneys at Hoyes & Muellenberg understand the unique legal and governance challenges facing healthcare organizations. Their insight and professionalism have made them a trusted partner to our medical staff and governing board."

— Hospital CEO

"Their depth of experience in peer review and medical staff law is unmatched. They helped us navigate a complex issue efficiently while keeping our focus on quality patient care and organizational integrity."

— General Counsel, Community Hospital

'We value the attorneys at Hoyes & Muellenberg for their thoughtful counsel, timely communication, and practical approach to solving difficult regulatory and compliance issues. They consistently deliver advice we can rely on."
— Vice President of Compliance, Healthcare Network

"The attorneys at Hoyes & Muellenberg understand the unique legal and governance challenges facing healthcare organizations. Their insight and professionalism have made them a trusted partner to our medical staff and governing board."

— Hospital CEO

News & Insights

Hoyes & Muellenberg Launches New Healthcare Law Firm Focused on Medical Staff and Hospital Governance

The firm's launch marks a commitment to providing strategic legal counsel in medical staff law, peer review, healthcare governance, and regulatory compliance.

Erin L. Muellenberg Recognized by he Best Lawyers in American for Health care Law for 2027

We are pleased to announce that Erin L. Muellenberg has been selected again for inclusion in The Best Lawyers in American for Health care Law for 2027. This recognition reflects Erin’s extensive experience, thoughtful counsel, and continued commitment to helping healthcare organizations navigate complex medical staff, governance, peer review, and regulatory matters. We congratulate Erin on this well-deserved honor and her continued dedication to providing exceptional service to clients throughout the healthcare community.

2026 © HOYES & MUELLENBERG LLP