Ryan Nicholas Chellin DO MS, DAOBEM (None)
Critical Care Medicine
Attending Physician
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1324 N SheridanWaukegan, IL 60085
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Summary
- Ryan Chellin, DO is a Board Certified Physician who specializes in Emergency Medicine and is currently based in Northern Illinois. Dr. Chellin completed medical education at Chicago College of Osteopathic Medicine in 2009, followed by an emergency medicine residency at Franciscan Health Olympia Fields until 2014. Dr. Chellin holds a Bachelor of Science in Chemistry from Drake University and a Master of Science in Biomedical Sciences from Midwestern University. The professional experience includes roles at multiple healthcare facilities, with current employment as an Emergency Medicine Physician at Vista Health Systems and past positions at Decatur Memorial Hospital, Aurora Health Care, Ascension All Saints Hospital and others. Dr. Chellin contributed to a publication titled "Differential effects of metformin on contractility of the rat intestine" in 2004. He has additional interests in Addiction Medicine and Aerospace Medicine.
Clinical Expertise
- Emergency medicine, Trauma, Substance-related and addictive disorders, Minor surgical procedures
Education & Training
Franciscan Health Olympia FieldsResidency, Emergency Medicine, 2009 - 2014
Chicago College of Osteopathic Medicine at Midwestern UniversityClass of 2009- Midwestern UniversityMaster of Science, Biomedical Sciences, 2002 - 2004
Drake UniversityBachelor of Science, Chemistry, 1998 - 2002
Work Experience
- Vista Health SystemEmergency Medicine Physician · October 2022 - Current
Decatur Memorial Hospital (Decatur, IL)Emergency Medicine Physician · May 2023 - January 2025- CGH Medical Center (Sterling, IL)Emergency Medicine Physician · September 2021 - March 2022
Terre Haute Regional Hospital (Terre Haute, IN)Emergency Medicine Physician · December 2017 - September 2018- Aspirus Riverview Hospital and Clinics, Inc. (Wisconsin Rapids, WI)Emergency Medicine Physician · August 2017 - August 2022
- Aurora Medical Center Burlington (Burlington, WI)Emergency Medicine Physician · February 2016 - March 2021
Ascension All Saints (Racine, WI)Staff Physician · July 2013 - December 2018
Certifications & Licensure
IL State License 2012 - 2026
WI State License 2013 - 2023
IN State License 2017 - 2019
AOA Board of Emergency Medicine Emergency Medicine
American College of SurgeonsAdvanced Trauma Life Support- American Heart AssociationACLS, PALS, BLS
Publications & Presentations
Journal Articles
- Differential effects of metformin on contractility of the rat intestinePeuler, JD; Chellin, R, Life Sciences and Space Research, 1/2004
Professional Memberships
- Member
Industry Relationships
- Health Care Career Panelist, IL High School Assoc. District 120Panelist for high school students interested in health care career pathways.2024 - Present
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