SIU Division of Urology 
Phone: 217-545-8000
Fax: 217-545-7305 
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Urology Residents


Thomas Frye, DO

Hometown: Prairie du Chien, WI

Undergraduate: University of Wisconsin-Madison, BS Biochemistry, 2003

Medical School: Midwestern University - Chicago College of Osteopathic Medicine, DO, 2009

Why SIU?: I thought that SIU urology was a very well rounded program which gave it residents exposure to all the sub-specialty areas of urology. The residents seemed happy here and they also seemed to have a nice balance between work and their personal lives.

Joel Koenig, MD

Hometown: Wichita, KS Undergraduate: Belmont University, BA Religion, 2002

Medical School: University of Kansas School of Medicine, MD, 2009

Why SIU?: I chose SIU because everyone from employees to patients to residents are treated like family.


Brad Stevenson, MD

Hometown: Layton, UT

Undregraduate: University of Utah 2004

Medical School: Saint Louis University 2010

Why SIU?: The two major factors in my mind in selecting a residency program are training and lifestyle. In selecting a program I looked for one that did not sacrifice one for the other. Turns out such a program is quite rare, but I believe that SIU is one of those programs.

My goal in regard to training was to find a  program that would provide me with broad enough experience that if I decided to do a fellowship it would be because I wanted to, not because I felt like I needed to to be able to practice competently.  I wanted to be exposed to the breadth of urology thus allowing me to either find a specific area of interest on which to focus or feel comfortable practicing general urology, whichever I decided. Because of the location and nature of health care in Springfield, SIU has no real competition pulling certain cases away. This allows not only a wide variety of cases is all areas of urology, but also a good volume of those cases.

The second consideration is lifestyle. Residency is going to be full of long hours, late nights, stressful situations, and frustrations no matter where you go. It is the nature of the profession and training. It was important to me that the place in which I live not be an added source of stress. I was looking for someplace that was affordable, where I could get to and from the hospital in a reasonable amount of time and with as little frustration as possible, and where I would feel safe raising my family.
SIU provides all of the above. I think this partly a result of the location and health care climate here but even more because of a faculty that cares about not only our training and education but our lives and well being.

Casey Lythgoe, MD

Hometown: Riverdale, UT

Undergraduate: Brigham Young University-Hawaii, BS Biochemistry, 2004

Medical School: Medical College of Wisconsin, 2010

Why SIU?: Affordable housing, good public schools, excellent training. I came to SIU because because first, I wanted a good place for my children to grow up. i want them to be safe and have fun. Part of that is having enough time to spend with them. Here at SIU, both faculty and other residents understand my responsibility as a father, so my career goals and family goals are rarely in conflict


Nathaly François, MD

Hometown: Brooklyn, NY

Undergraduate: Hamilton College-New York, BA Neuroscience, 2004

Medical School: University of Cincinnati College of Medicine, 2011

Why SIU?: SIU offered a wonderful opportunity for learning among a group or residents and attendings who have proven true to what they said when I interviewed.  I am part of a congenial environment where I am developing my skills among gentlemen that have become family.  The camaraderie among the Residents and Faculty is beyond what I had hoped to experience.  Our attendings are great advocates for us. 

The opportunity to practice skills in the Surgical Skills Lab with a dedicated staff available to contribute to an effective learning environment drew me here."

Luke Frederick, MD

Hometown: Pekin, IL

Undergraduate: Cedarville University-Illinois, BS Pre-med, Biology, 2006

Medical School: Southern Illinois University School of Medicine, 2011

Why SIU?: I chose SIU urology because I had an excellent experience here as a medical student. I interviewed all over the midwest at all the big name programs and I felt that I could get a superior education here at SIU. I felt that I would get an excellent surgical and clinical experience as well as obtain a solid educational foundation for practice. I am very happy here and cannot imagine myself anywhere else.


Randy Sulaver, MD

Hometown: Dearborn, MI

Undergraduate: University of Oklahoma, BS Zoology-Biomedical Science, 2005

Medical School: University of Oklahoma College of Medicine, 2012

Why SIU?: I wanted a program where the residents and faculty had a professional, collegial and friendly relationship.  I also wanted a program where I felt that residents had both professional and personal relationships with each other.  No other program embodied this better than SIU.  SIU has the perfect blend of research, surgical exposure and education.  I was impressed with SIU's focus on education. 

During resident conference not only are all resident schedules blocked for attendance but the faculty all participate as well.  SIU offers excellent perks and ease of life as a resident.  This is especially important since we spend so much time in the hospital.  The City of Springfield is easy to get around and provides close access to the hospitals.  The cost of living here is low and you have easy access to St. Louis and Chicago.

Thomas Tieu, MD

Hometown: Columbus, OH

Undergraduate: United States Air Force Academy, BS Operations Research, 1999

Graduate: University of New Mexico, MBA, Finance, 2003

Medical School: Chicago Medical School at Rosalind Franklin University, 2012

Why SIU?: The SIU Urology Program offered a tight knit family-like atmosphere where the attendings take great interest in the development of the residents.  This environment is then duplicated by the residents where the more senior residents teach the junior residents, thus creating a culture of support and encouragement.  Combining this dynamic with the high quality of life that residents have in Springfield, makes SIU a tremendous opportunity for urologists in training.


Julia Fiuk, MD

Hometown:  Chicago, IL

Undergraduate:  Northwestern University, Evanston, IL, BA in Biology

Medical School:  Northwestern University The Feinberg School of Medicine, Chicago, 2013

Michael Kottwitz, MD

Hometown:  Edwardsville, IL

Undergraduate:  Bradley University, Peoria, IL, BS Health Science

Medical School:  Southern Illinois University School of Medicine, Springfield, IL  2013