Dr. Hallahan is on Doximity
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Office
1024 S Lemay Ave
Ste 800
Fort Collins, CO 80524Phone+1 303-306-7783Fax+1 303-306-7753
Education & Training
Kansas City University of Medicine and Biosciences College of Osteopathic MedicineClass of 2001
Certifications & Licensure
CO State License 2006 - 2025
MI State License 2001 - 2006
NV State License 2004 - 2005
OH State License 2002 - 2003- AOA Board of Emergency Medicine Emergency Medicine
Professional Memberships
- Member
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