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Dr. Lewis Sierra, MD

Internal Medicine* Age 73
Dr. Lewis Sierra, MD
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Dr. Lewis Sierra, MD is an Internist in Fond du Lac, WI.
Dr. Lewis Sierra, MD
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Dr. Lewis Sierra, MD

Internal Medicine* Age 73
Fond du Lac, WI
Call for new patient details
46 years of experience
Dr. Lewis Sierra, MD is an Internist in Fond du Lac, WI.

About

Dr. Sierra graduated from UNIVERSITY OF WISCONSIN / MADISON. Dr. Lewis Sierra, MD is an Internist in Fond du Lac, WI and has 46 years experience. Dr. Sierra currently practices at Practice. Dr. Sierra's office is not accepting new patients. Dr. Sierra is board certified in Internal Medicine.

Experience Check

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Abdominal Pain
Acute Pharyngitis
Allergic Conjunctivitis
Abdominal Pain
Acute Pharyngitis
Allergic Conjunctivitis
Abdominal Pain
Acute Pharyngitis
Allergic Conjunctivitis
Anxiety
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Back Pain
Bronchitis
Chronic Sinusitis
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Influenza (Flu)
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Nasopharyngitis
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Otitis Media
Outer Ear Infection
Painful Urination (Dysuria)
Pharyngitis
Pinkeye (Conjunctivitis)
Rash
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Ringworm
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Sinusitis
Sprains and Strains (incl. Muscle Tear)
Strep Throat
Urinary Tract Infection (UTI)
Immunization Administration

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Choice Plus POS II

Locations

  1. 1 SSM Health Pharmacy
    420 E Division St, Fond du Lac, WI 54935
    Icon Directions Right Arrow Directions Phone Icon (920) 926-8492

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About Me

Specialties*
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • UNIVERSITY OF WISCONSIN / MADISON
    1978
Medical Education

Board Certifications

Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Lewis Sierra, MD. To arrange an appointment, call the number on Dr. Sierra's profile.

Yes, Dr. Lewis Sierra, MD holds board certification in Internal Medicine.