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Katie Gielissen, MD, MHS

Assistant Professor of Medicine (General Medicine) and of Pediatrics (General Pediatrics); Associate Clerkship Director, Internal Medicine; Faculty Director, Yale Clinician Educator Distinction, Internal Medicine; Faculty Director, Pediatric Clinician-Educator Track, Pediatrics



Dr. Gielissen earned her medical degree at the University of Chicago - Pritzker School of Medicine before completing her Internal Medicine / Pediatrics training at Yale New Haven Hospital. She completed the General Internal Medicine Medical Education Fellowship and an MHS through the Medical Education Pathway (MHS-Med Ed) in 2018. She previously served as the Ambulatory Associate Program Director for the Yale Traditional Internal Medicine Program, and currently as the Associate Clerkship Director for the Internal Medicine Clerkship at the Yale School of Medicine. She also directs the Yale Pediatrics Clinician-Educator Track (PCET) and Co-Directs the Yale Internal Medicine Clinician-Educator Distinction (CED). In 2019, she joined as a co-editor of the Yale Office-Based Medicine (YOBM), an ambulatory curriculum used at over 300 programs across the country.

Dr. Gielissen's scholarship focuses on Entrustable Professional Activities (EPAs) as a form of assessment in both the Undergraduate and Graduate Medical Education space. She serves as a member of the Faculty Development group Core EPA pilot in the Association of American Medical Colleges. She also performs qualitative research on Entrustment Decision-Making and on faculty development to enhance the quality of feedback and evaluation in clinical settings. Her clinical interests include diabetes management, transitions of care (pediatric to adult), and inpatient medicine.

Education & Training

  • MHS
    Yale School of Medicine, Medical Education (2018)
  • General Internal Medicine Fellow
    Yale-New Haven Hospital (2018)
  • Assistant and Senior Resident
    Yale-New Haven Hospital (2016)
  • Intern
    Yale-New Haven Hospital (2013)
  • MD
    University of Chicago Pritzker School of Medicine (2012)
  • BS
    University of Wisconsin - Madison, Biochemistry (2008)


  • From Interest to Implementation: A Practical Guide to Building an EPA-based Assessment Program in Your Learning Environment
    New Haven, CT, United States 2022
    Yale Medical Education Day
  • Beyond the Differential - Evidence-Based Strategies for Facilitating Morning Report
    Charlotte, NC, United States 2022
    Academic Internal Medicine Week
  • Lessons from the AAMC Core Entrustable Professional Activities (EPAs) for Entering Residency Core EPA Pilot Project: Student Perspectives of Workplace-Based Assessment
    Virtual International Conference 2021
    AMEE The Virtual Conference

Honors & Recognition

AwardAwarding OrganizationDate
Yale Primary Care Core Faculty Teaching AwardYale Primary Care Internal Medicine Residency Program2021
NEGEA Excellence in Oral Presentation AwardNortheast Group on Educational Affairs2019
Teacher of the YearYale Internal Medicine-Pediatrics Residency Program2018
Excellence in Education Research Poster AwardYale Teaching and Learning Center2018

Professional Service

Graduate Medical Education CommitteeMember2016 - Present

Departments & Organizations