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Dr. simmering is on Doximity

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Education & Training

  • Southern Illinois University
    Southern Illinois UniversityResidency, Internal Medicine, 1982 - 1985
  • Southern Illinois University School of Medicine
    Southern Illinois University School of MedicineClass of 1982

Certifications & Licensure

  • IL State Medical License
    IL State Medical License 1982 - 2026
  • MO State Medical License
    MO State Medical License 1985 - 2025
  • American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification NextGen Ambulatory EHR, NextGen Healthcare, 2012

Hospital Affiliations