Dr. Siefer is on Doximity
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Office
901 W Hampden Ave
Suite 103
Englewood, CO 80110Phone+1 303-761-1699Fax+1 303-761-4099
Education & Training
University of Colorado (University Hospital)Residency, Family Medicine, 1972 - 1974- University of Colorado School of MedicineInternship, Transitional Year, 1968 - 1969
University of Chicago Division of the Biological Sciences The Pritzker School of MedicineClass of 1968
Certifications & Licensure
CO State Medical License 1973 - 2025
Awards, Honors, & Recognition
- Fellow (FACEP) American College of Emergency Physicians
Professional Memberships
- Fellow
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