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Dr. John Michael Callahan, MD is a pediatrician in Dubuque, IA specializing in general pediatrics. Dr. John Michael Callahan, MD is affiliated with MercyOne.
1000 Langworthy Street
Dubuque, IA 52001
He completed residency at University of Iowa Hospitals & Clinics. He has a state license in Iowa.
Residency: University of Iowa Hospitals & Clinics
Licensed In: Iowa
Dr. John Michael Callahan, MD is associated with these hospitals and organizations:
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Dr. John Callahan practices general pediatrics. Dr. Callahan is professionally affiliated with Mercy Centerville.