Dr. Callahan is on Doximity
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Office
4077 Fifth Ave
San Diego, CA 92103Phone+1 619-260-7125Fax+1 619-686-3874
Education & Training
University of Wisconsin (Madison)Residency, Family Medicine, 2013 - 2015
Marshfield ClinicResidency, Surgery, 2011 - 2013
St. George's University School of MedicineClass of 2011
Certifications & Licensure
CA State Medical License 2014 - 2025
WI State Medical License 2012 - 2017- American Board of Family Medicine Family Medicine
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