Dr. Callahan is on Doximity
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Office
1493 Cambridge St
Cambridge, MA 02139Phone+1 617-665-1264Fax+1 617-665-1835
Education & Training
- Massachusetts General HospitalResidency, Pediatrics, 1999 - 2002
- Harvard Medical SchoolClass of 1999
Certifications & Licensure
- MA State Medical License 2002 - 2025
- American Board of Pediatrics Pediatrics
Press Mentions
- Go in or Call in? Here's Some Basic Guidance for Routine Health Care During COVID-19June 15th, 2020
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