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Jason Kolfenbach MD

Assistant Professor of Medicine


Jason Kolfenbach, MD, is a clinician-educator currently involved in patient care and clinical education of fellows at the University of Colorado Hospital. In addition, he works with Dr. Collier in the University’s Scleroderma Clinic. As a Co-Investigator of the SERA study, he has an interest in the determinants of RA development and the transition from early inflammatory arthritis to established clinical disease.





2007-Present University of Colorado Health Sciences, Rheumatology Fellowship Program
2008-Present University of Colorado at Denver, Clinical Science Masters program
2004-2007 University of Colorado Health Sciences, Internal Medicine Residency Program
2000-2004 Roy J. and Lucille A. Carver College of Medicine, Medical Degree
1996-2000 Undergraduate degree: B.S. in Exercise Science (College of Liberal Arts)

Kolfenbach J, Deane K, Derber L: “A Prospective Approach to Investigating the Natural History of Pre-Clinical Rheumatoid Arthritis (RA) Using First-Degree Relatives of Probands with RA”. Arthritis Rheum. 2009 Dec 15;61(12):1735-42.


Kolfenbach J, Deane K, Derber L: “Association of Rheumatoid Arthritis (RA)-Related Autoimmunity and Joint Findings in Unaffected at-Risk Populations”. Abstract, 2009 American College of Rheumatology Annual Scientific Meeting.


Kolfenbach J, Deane K, Derber L: “Autoimmunity to Peptidyl Arginine Deiminase Type 4 Precedes Clinical Onset of Rheumatoid Arthritis”. Accepted for publication, Arthritis & Rheumatism, April 2010.


Horner B, Kolfenbach J, West S: “Neuromyelitis Optica: Implications for rheumatology in suspected autoimmune myelitis”. Poster presentation, University of Colorado Medical Student Capstone Poster Presentation (manuscript in progress, primary author).