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About Dubuque Emergency Physicians

Dubuque Emergency Physicians is Iowa’s original and oldest board certified, residency trained Emergency Medicine group. DEP is very proud of its uninterrupted partnership with MercyOne Dubuque Medical Center, a Magnet Hospital and major referral center for Eastern Iowa, Southern Wisconsin, and Northern Illinois. Our members are very pleased to call Dubuque their home and look forward to continuing to serve the tri-state area.

Meet the Team

Dr Tami Gudenkauf Physician Image Dr. Tami Gudenkauf, D.O.

Dr. Tami Gudenkauf, D.O. has been with DEP since 2001. She completed her Emergency Medicine residency at Albert Einstein Medical Center in Philadephia after attending medical school at the University of Osteopathic Medicine and Health Sciences in Des Moines, Iowa. She travels regulary on mission trips to volunteer her medical services and assist with building housing. Thus far she has been to Haiti, Guatamala, Honduras, Peurto Rico, El Salvador, and Nicaragua. She also enjoys music, golfing, skiing, baking, and lawn work.

Dr Mark McKeon Physician Image Dr. Mark McKeon, M.D.

Dr. Mark McKeon, M.D. attended medical school at the University of Iowa Carver College of Medicine and completed his Emergency Medicine residency at Western Michigan in Kalamazoo. He returned to his hometown of Dubuque and joined DEP in 2004. He serves as the medical director for several ambulance services in Iowa and Wisconsin and has been Dubuque County’s Medical Examiner since 2007. Dr. McKeon was the first CONTOMS-certified Tactical Medicine Medical Director in Iowa and has his Fire Fighter 1 with Hazmat certification. He enjoys judo, playing piano, hunting, taxidermy, and traveling with his family. He has visited more than a dozen countries and is also a published author.

Dr Anna Lorence Physician Image Dr. Anna Lorence, M.D.

Dr. Anna Lorence, MD. joined DEP in 2009. “I had no ties to the Dubuque area but feel fortunate that I was able to find a truly democratic group in a great community.” Dr. Lorence finished her Emergency Medicine residency at UIHC after graduating from KU Medical School in Kansas City, KS. She brings a background in EMS as a former flight paramedic, urban EMS field supervisor, and EMS educator. She serves as medical director to the Asbury Fire Dept. “I love spending time in the woods, foraging wild edibles, kayaking, camping, and taking motorcycle trips with my husband whenever I can.”

Dr Amy Engelman Physician Image Dr. Amy Engelman, D.O

Dr. Amy Engelman, D.O. completed medical school at the University of Osteopathic Medicine and Health Sciences in Des Moines, Iowa and was the chief Emergency Medicine resident at UIHC in Iowa City. She joined DEP in 2013. Originally from Colorado, Dr. Engelman moved to the area to be closer to her husband’s family. “It is a privilege to work with all board certified physicians in a community hospital. I have 3 young children and love that this jobs affords me the flexibility to be a large part of their lives, volunteering at their school, and attending their concerts and competitions. Stay humble, be kind, work hard.”

Dr Kevin Zettek Physician Image Dr. Kevin Zettek, D.O

Dr. Kevin Zettek, D.O. graduated from the University of Osteopathic Medicine and Health Sciences in Des Moines, Iowa and was the chief Emergency Medicine resident at Genesys in Grand Blanc, Michigan. He has been with DEP since 2014. Dr. Zettek has a passion for teaching. He has previous experience training residents in Michigan, currently gives the Pediatric CME lectures at DEP department meetings, and continues to mentor medical students and nurse practitioner students. “I came to Dubuque to be closer to family and I like the comradery shared amongst the partners of DEP.” Kevin golfs, plays the saxophone, and is a fan of the Chicago Bears and Chicago Cubs.

Dr Nicholas Edwards Physician Image Dr. Nicholas Edwards, M.D.

Dr. Nicholas Edwards, M.D. is a native of Dubuque and was happy to return to the area to raise his family. He graduated from the University of Iowa Carver College of Medicine and finished his Emergency Medicine residency at UIHC. He has been a member of Mercy’s Trauma Committee since joining DEP in 2017 and enjoys EMS education. “Because of my partners and the nurses I work with, I genuinely enjoy coming to work every day”. Nick prefers to spend his free time with his wife, two boys, and their dog. His hobbies include running, hiking, taking in a Green Bay Packers game (he is a stockholder), and attending metal concerts, especially Metallica.

Dr Fritz Liaboe Physician Image Dr. Fritz Liaboe, D.O.

Dr. Fritz Liaboe, D.O. grew up in Dubuque and returned to raise his family here. He joined DEP in July 2019 after attending medical school at The University of Osteopathic Medicine and Health Sciences in Des Moines, Iowa and completing his Emergency Medicine Residency Program at the University of Illinois College of Medicine at Peoria. Dr. Liaboe has an interest in tactical medicine and has completed the tactical emergency medicine course at UICOMP. He is an avid Hawkeye fan and enjoys getting outdoors to road bike, golf, water ski, snowboard, and take stroller walks with his son.

Dr Michael Severson Physician Image Dr. Michael Severson

Dr. Michael Severson, M.D. attended medical school at University of Arkansas for Medical Sciences and completed his Emergency Medicine residency at Baylor Scott & White in Temple, TX. While he is not originally from Dubuque, he had previously spent several years in Minnesota and Wisconsin and was excited to move back to the Midwest. In his free time he enjoys hiking, cycling, cooking, baking, and spending time with his wife and kids.


  • EM Residency Trained BE/BC
  • Partnership opportunity: Partner in 1 year with reasonable buy-in. Benefits including profit-sharing, health coverage, fully funded 401K, fully-funded HSA, generous pre-tax cafeteria plan for qualified expenses.
  • Competitive hourly salary with shift/holiday differential
  • Sign-on bonus
  • Joining 8 physician/partners
  • 16 bed ED, Level 3 Trauma Center for Iowa/Illinois/Wisconsin tri-state area
  • 25,000+ patient visits/year
  • EMR (FirstNet with planned transition to EPIC)
  • 24/7 Hospitalist coverage
  • Base for University of Iowa Hospitals and Clinics AirCare 3 medical helicopter

If you are interested in a partnership opportunity with DEP contact us at

For billing inquiries please call 800-532-6151.

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