Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. John Brennan xhas an overall rating of 1.0.

About

Dr. John Brennan, MD is a Doctor primarily located in Sparta, WI. His specialties include Emergency Medicine and Internal Medicine. Dr. Brennan is affiliated with Mayo Clinic Health System Sparta. He speaks English.

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Language

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Education

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Locations & Directions

Mayo Clinic Health System Sparta

310 W Main St
Sparta, WI 54656