Dr. Lewis Sierra MD

  • Internal Medicine
  • Emergency Medicine
38 Years Experience

Patient Experience

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Locations & Directions

Mapbox Map of Dr. Lewis Sierra

Urgent Care Plus

145 N Main St
Fond Du Lac, WI 54935


Specialties & Expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Languages Spoken

  • English


  • School

    University Of Wisconsin School Of Medicine And Public Health , 1978
  • Residency

    University Of South Dakota School Of Medicine