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Current Residents

Mercy Medical Center–Des Moines/Des Moines University Surgery Residency Program

PGY-5 Chief Residents

PGY-4 Residents

PGY-3 Residents

PGY-2 Residents

PGY-1 Residents

Fifth-Year Chief Residents
Justin Atherton

Justin Atherton, D.O.

  • Internship: Bay Regional Medical Center in Michigan
  • Medical School: Des Moines University
  • Undergraduate Studies: University of Hawaii

Contact:

jatherton@mercydesmoines.org

Rachel Fleenor

Rachel Fleenor, D.O.

  • Medical School: Kansas City University of Medicine and Biosciences
  • Undergraduate Studies: University of Iowa

Contact:

sgrimm@mercydesmoines.org

Shawna Grimm

Shawna Grimm, D.O.

  • Research Fellowship, University of Iowa
  • Medical School: Lake Erie College of Osteopathic Medicine
  • Undergraduate Studies: University of Pittsburgh

Contact:

rfleenor@mercydesmoines.org

Jared Kray

Jared Kray , D.O.

  • Medical School: Des Moines University - Osteopathic Medical School
  • Undergraduate Studies: Wartburg College

Contact:

jkray@mercydesmoines.org

Joseph OHanlon

Joseph O'Hanlon , D.O.

  • Medical School: Lake Erie College of Osteopathic Medicine
  • Undergraduate Studies: University of South Florida

Contact:

jo'hanlon@mercydesmoines.org

Fourth-Year Residents

Ben Green, DO

Benjamin Green, D.O.

  • Medical School: Des Moines University
  • Undergraduate Studies: University of Iowa
Tiffani Shelton, DO

Tiffani Shelton, D.O.

  • Medical School: Kansas City University of Medicine & Biosciences
  • Undergraduate Studies: University of Missouri
Jason Spjut, DO

Jason D. Spjut, D.O.

  • Medical School: Des Moines University
  • Undergraduate Studies: Weber State University in Utah

Third-Year Residents

Lauren Allan

Lauren Allan, D.O.

  • Medical School: Des Moines University:
  • Undergraduate Studies: Pacific University
Trent Howard

Trent Howard, D.O.

  • Medical School: Lincoln Memorial University- Debusk COM
  • Undergraduate Studies: University of Kentucky
Mark Witkowski

Mark Witkowski, D.O.

  • Medical School: Kansas City University of Medicine & Biosciences
  • Undergraduate Studies: Colorado State University

Second-Year Residents

Robert Brownawell Robert Brownawell, D.O.
  • Medical School: Chicago College of Osteopathic Medicine of Midwestern University
  • Undergraduate Studies: Iowa State University
Paul Dunlavy

Paul Dunlavy, D.O.

  • Medical School: Touro University Nevada College of Osteopathic Medicine
  • Undergraduate Studies: University of Utah
Krystal Lange Krystle Lange, D.O.
  • Medical School: Des Moines University
  • Master's: Jacksonville State University
  • Undergraduate Studies: University of Wisconsin – Green Bay
William Nechtow William Nechtow, D.O.
  • Medical School: Touro University College of Osteopathic Medicine – California
  • Master's: University of Illinois – Chicago
  • Undergraduate Studies: University of Illinois – Champaign-Urbana
Brandon Sumner Brandon Sumner, D.O.
  • Medical School: Oklahoma State University College of Osteopathic Medicine
  • Undergraduate Studies: Oklahoma State University

First-Year Residents

Danti Dali Dante Dali, D.O.
  • Medical School: Des Moines University
  • Undergraduate Studies: Manchester College
Mayin Lin Mayin Lin, D.O.
  • Medical School: Western University of Health Sciences, College of Osteopathic Medicine of the Pacific
  • Master's: University of Southern California
  • Undergraduate Studies: University of California – Los Angeles
Mallory Meye Mallory Meyer, D.O.
  • Medical School: Rocky Vista University – COM
  • Undergraduate Studies: University of Illinois
Brodi Smith Brodi Smith, D.O.
  • Medical School: Des Moines University
  • Undergraduate Studies: Brigham Young University – Idaho


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