Coronavirus disease 2019 (COVID-19): Get the latest information.

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John F. Merchlewitz

John F. Merchlewitz, MD

Specialties: Emergency Medicine

Main Location

  • Onalaska Clinic

    3111 Gundersen Drive Onalaska, WI 54650

    • Office Phone: (608) 775-8650
    • Fax: (608) 775-8653


Medical Interests

Urgent care

Education and Training

Medical School
University of Minnesota
University of Minnesota-Duluth
Mayo Clinic Health System - La Crosse
Mayo Clinic Health System - La Crosse

Professional Memberships

  • American Academy of Family Practitioners
what to expect

We've taken steps at all our locations to keep you and our staff healthy and safe. Here's what to expect when you visit us.

Stay safe