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Dr. Efstathios Beltaos, MD is a Doctor primarily located in Marshfield, WI. His specialties include Pathology. He speaks English.


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Specialties & Expertise

Dr. Efstathios Beltaos has the following 3 areas of expertise, 1 specialty and 1 board certification.


A pathologist is a physician who specializes in the causes and paths taken by different diseases in order to accurately diagnose an illness.

Pathologists diagnose and determine the characteristics of a disease through the study of biopsies of diseased tissue or of bodily fluids. For example, a pathologist will look at a biopsy of a skin lesion in order to diagnose or rule out skin cancer. A pathologist will also look at a Pap smear in order to check for a gynecological cancer like cancer of the uterus.

In addition to determining the cause and development of a disease, these specialists also study the changes a disease makes to a body and the consequences of those structural changes.


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Board Certification

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Locations & Directions

Marshfield Clinic

1000 N Oak Ave
Marshfield, WI 54449

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