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Bret Andersen is an internist in Marshfield, WI specializing in internal medicine (adult medicine).
He has a state license in North Dakota.
Licensed In: North Dakota
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Dr. Bret Andersen practices dermatology (skin disorders) in Marshfield, WI. Patients gave Dr. Andersen an average rating of 5.0 stars (out of 5). He is affiliated with Marshfield Clinic Health System.