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  • Office

    2750 Broadway St
    Boulder, CO 80304
    Phone+1 303-440-3000

Summary

  • Dr. William Erfling, MD is a gastroenterologist in Boulder, Colorado.

Education & Training

  • University of Colorado
    University of ColoradoResidency, Internal Medicine, 1973 - 1977
  • University of Missouri-Columbia School of Medicine
    University of Missouri-Columbia School of MedicineClass of 1973