Class of 2023

Please join us in congratulating the University of Washington Division of Dermatology’s 2023 graduating residents and fellows!

This year, UW Dermatology is proud to honor four residents and two subspecialty fellows, all of whom have all made significant contributions to our division through their dedication to compassionate care, impactful research and commitment to learning and supporting fellow trainees. 

"This is the first residency class that I have followed through all three years of training since starting first as Associate Program Director and now as Program Director. To say that they have impacted me and changed who I am as a mentor and teacher is an understatement. They have taught me perspective and patience, inspired me to meet their needs and this moment in time as a leader of the residency program and have truly made me a better person. They each have unique skills and strengths that will brighten the future of our specialty and I am so honored to have been part of their journey. They will make UW proud!" — Markus Boos, MD, PhD, Residency Program Director

We thank you for your focus and hard work, and look forward to celebrating your future accomplishments. Best of luck as you enter this exciting next chapter in your career!

UW Dermatology will be hosting a graduation ceremony on Thursday, June 29, 2023, to celebrate the accomplishments and successes of our graduating residents and fellows. 

2023 Graduating Residents & Fellows


Caitlin Crimp, MD

2022-23 Co-Chief Resident

Hometown: Coeur d Alene, Idaho
Medical School: University of Washington School of Medicine
Internship: Internal Medicine, University of Washington




Anna Tappel, MD

Hometown: Anchorage, Alaska
Medical School: University of Virginia School of Medicine
Internship: Preliminary Medicine, Virginia Mason Medical Center





Rachael Ward, MD, MPH

2022-23 Co-Chief Resident

Hometown: Detroit, Michigan
Graduate School: MPH in Epidemiology, University of Michigan School of Public Health
Medical School: Duke University School of Medicine
Internship: Campbell University




Jason Ya, MD

2022-23 Co-Chief Resident

Hometown: Reston, Virginia
Medical School: Cleveland Clinic Lerner College of Medicine of Case Western Reserve University
Internship: Alameda Health Systems, Highland Hospital, California
Additional Training: Howard Hughes Medical Institute Medical Research Fellow at Stanford University



Martin Dittmer, MD

Dermatopathology Fellow
2022-23 Chief Resident — Saint Louis University School of Medicine, Department of Dermatology

Hometown: Bettendorf, Iowa
Medical School: University of Iowa College of Medicine 
Internship: Aurora St. Luke’s Medical Center, Milwaukee, Wisconsin
Additional Training: Howard Hughes Medical Institute Medical Research Fellow at Stanford University



Emily Duffy, MD

Pediatric Dermatology Fellow
2021-22 Co-Chief Resident 

Hometown:  Houston, Texas
Medical School: Perelman School of Medicine at the University of Pennsylvania 
Internship: The Children's Hospital of Philadelphia
Additional Training: Pediatrics Residency, The Children's Hospital of Philadelphia