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Office
145 N Main St
Fond du Lac, WI 54935Phone+1 920-926-8492
Summary
- Dr. Lewis Sierra, MD is a board certified internist in Fond du Lac, Wisconsin. He is currently licensed to practice medicine in Wisconsin.
Education & Training
University of South DakotaResidency, Internal Medicine, 1978 - 1981
University of Wisconsin School of Medicine & Public HealthClass of 1978
Certifications & Licensure
WI State Medical License 1985 - 2025- American Board of Internal Medicine Internal Medicine
Professional Memberships
- Member
