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Loren Chassels, DO, Internal Medicine, Highland, IL, HSHS Good Shepherd Hospital


Internal Medicine Highland, IL

Hospital Medicine/Hospitalist

Emergency Medicine Physician and Hospitalist

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Education & Training

  • Mercy Hospital (St Louis)
    Mercy Hospital (St Louis)Residency, Internal Medicine, 2004 - 2007
  • A. T. Still University Kirksville College of Osteopathic Medicine
    A. T. Still University Kirksville College of Osteopathic MedicineClass of 2004
  • Rowan University
    Rowan UniversityMaster of Science in Teaching, Secondary Education, 1995
  • Rutgers University
    Rutgers UniversityBachelor of Arts, General Science Major, Computer Science and Biology Concentrations, 1993

Certifications & Licensure

  • IL State Medical License
    IL State License 2006 - 2026
  • MO State Medical License
    MO State License 2006 - 2025
  • American Board of Physician Specialties (ABPS) Internal Medicine

Awards, Honors, & Recognition

  • Degree of Fellow American Academy of Internal Medicine, 2024
  • Degree of Fellow Academy of Wilderness Medicine, 2023

Publications & Presentations


Books/Book Chapters


  • Panhypopituitarism: Clinical Recognition, Diagnosis, and Therapy. 
    St. John's Mercy Medical Center - 1/15/2007

Authored Content

  • Arctic Sven -- Finding KiMay 2018

Research History

  • Research AssistantAssisted in a study of the effects of calcium channel blockers on the absorption of lead into nerve cells and the subsequent relationship of these calcium channel blockers to seizure activity (See “Dendritic alterations of cerebellar Purkinje neurons in postnatally lead-exposed kittens,” Patrick GW,1999 - 2001
  • Research AssistantAssisted in molecular modeling and synthesis of new hydrogen ion channel proteins (See “Synthesis and Ion Conductance Behavior of a Tetrameric Alamethicin Ion Channel,” Wassner AJ, Hurt JA, Lear JD, Akerfeldt KS, Organic Letters, 2002 May 16;4(10):1647-9.)1998 - 1999

Professional Memberships

Hospital Affiliations