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Dr. Lewis Sierra Is this you?

About Dr. Lewis Sierra

Dr. Lewis Sierra, MD is a Doctor primarily located in Fond Du Lac, WI. He has 39 years of experience. His specialties include Internal Medicine and Emergency Medicine. Dr. Sierra is affiliated with St Agnes Hospital. He speaks English.

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Urgent Care Plus
145 N Main St
Fond Du Lac, WI 54935
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Dr. Lewis Sierra has the following 2 specialties

  • Internal Medicine

    An internist is a physician who focuses on the diagnosis and treatment of conditions that affect the adult population—both acute and chronic.
    These doctors are often who adults see as their primary physicians because they treat a broad...

  • Emergency Medicine

    An emergency physician is a doctor who is an expert in handling conditions of an urgent and extremely dangerous nature. These specialists work in the emergency room (ER) departments of hospitals where they oversee cases involving cardiac distress,...


7 Expertise

See areas of expertise for treating specific conditions, procedures and surgeries for this doctor.
  • Nearby Doctors

    Dr. Lewis Sierra is similar to the following 3 Doctors near Fond Du Lac, WI.