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Pediatric Rheumatology

Meet Our Team

Calvin B. Williams, MD, PhD

Calvin B. Williams, MD, PhD

Professor of Pediatrics
Section Chief, Pediatrics Rheumatology
Chief Scientific Officer, Children's Research Institute
D.B. and Marjorie Reinhart Family Foundation, Chair
Children's Wisconsin Physician Profile
MCW Faculty Collaboration Database Profile

Danielle Fair, MD

Danielle Fair 2020

Assistant Professor of Pediatrics

James J. Nocton, MD

James Nocton 2020

Professor of Pediatrics
Director, Pediatric Rheumatology Fellowship Program
Pediatric Rheumatology
Children's Wisconsin Physician Profile
MCW Faculty Collaboration Database Profile

Judyann C. Olson, MD

Judyann C. Olson, MD

Associate Professor of Pediatrics
Program Director, Pediatric Rheumatology
Children's Wisconsin Physician Profile
MCW Faculty Collaboration Database Profile

Sara Sabbagh, DO

Sara Sabbagh

Assistant Professor of Pediatrics
MCW Faculty Collaboration Database Profile

James W. Verbsky, MD, PhD

Nurse Practitioner

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Betsy Roth-Wojcicki, RN, BS, MS, CPNP
Pediatric Rheumatology

Clinic Nurses

Jan Lemke

Jan Lemke, RN

Sarah Thomson

Sarah Thomson, RN

Our Staff

Wendy S. Brockman, MBA

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Senior Division Administrator

Erin Hammelev 

Erin Hammelev 2020

Clinical Research Coordinator