College of Medicine
UNMC_Acronym_Vert_sm_4c
University of Nebraska Medical Center

House Officers

Class of 2028 - CBY

Timothy Colwell, MD

University of North Dakota

Timothy Colwell, MD, headshot

Mariah Duryee, MD

University of Nebraska Medical Center

Mariah Duryee, MD, headshot

Melanie Kaiser, MD

University of Nebraska Medical Center

Melanie Kaiser, MD, headshot

Saad Khan, MD

Creighton University

Saad Khan, MD, headshot

Nathaniel Pester, MD

University of Nebraska Medical Center

Nathaniel Pester, MD, headshot

Luke Polenz, MD

University of Nebraska Medical Center

Luke Polenz, MD, headshot

Alexander Scheiber, MD

University of Nebraska Medical Center

Alexander Scheiber, MD, headshot

Shelby Bauer, MD

University of Nebraska Medical Center

Shelby Bauer, MD, headshot

Maranda Thompson, MD, PhD

University of Nebraska Medical Center

Maranda Thompson, MD, PhD, headshot

Zach Walkenhorst, MD

University of Nebraska Medical Center

Zach Walkenhorst, MD, headshot

Galeh Margossian, DO

Kansas City University
Advanced - joining as a CA1 in July 2025

Galeh Margossian, DO, headshot

David Watson, MD

University of Kansas
Advanced - joining as a CA1 in July 2025

David Watson, MD, headshot

Class of 2027 - CA1

Tyler Austin, MD

University of Missouri-Columbia

Tyler Austin, MD, headshot

Matthew Becar, MD

Creighton University

Matthew Becar, MD, headshot

Hailey Buckingham, MD

University of Colorado

Hailey Buckingham, MD, headshot

Brittany Clifton, MD

University of Nebraska Medical Center

Brittany Clifton, MD, headshot

Paul Doran, MD

University of Nebraska Medical Center

Paul Doran, MD, headshot

Ifunanya Ejikeme, DO

Kansas City University

Ifunanya Ejikeme, DO

Jacob Glowacki, DO

Kansas City University

Jacob Glowacki, MD, headshot

Christopher Keenan, MD

University of Rochester

Christopher Keenan, MD

Shadashalin (Dash) Pierce, MD

Indiana University

Shadashalin (Dash) Pierce, MD

Kalkena Sivanesam, MD, PhD

Washington State University

Kalkena Sivanesam, MD, PhD

Ian South, MD

St. Louis University

Ian South, MD

Abigail (Abby) Tesnohlidek, MD

University of Washington

Abigail (Abby) Tesnohlidek, MD

Class of 2026 - CA2

Josh Abels, MD

University of Nebraska Medical Center

Josh Abels, MD

Hayden Brodersen, MD

University of North Dakota

Hayden Brodersen, MD

Zac Egr, MD

University of Nebraska Medical Center

Zac Egr, MD

Cameron Evans, MD

Chicago Medical School-Rosalind Franklin University

Cameron Evans, MD

Robert Guidangen, MD

Texas A&M

Robert Guidangen, MD

Jennie Keum, MD

University of Missouri-Columbia

Jennie Keum, MD

Sara Linza-Moscati, DO

Rocky Vista University

Sara Linza-Moscati, DO

Shawn Nelson, MD

Baylor University Medical Center

Shawn Nelson, MD

Alec Seei, DO

Des Moines University

Alec Seei, DO

Noah Svec, MD

University of Nebraska Medical Center

Noah Svec, MD

Chris Weber, MD

University of Nebraska Medical Center

Chris Weber, MD

Jenna Wright, DO

Marian University

Class of 2025 - CA3

Blair Benton Mack, MD

University of Kansas School of Medicine-Wichita

Blair Benton Mack, MD

Nathan Goergen, MD, PhD

University of Nebraska Medical Center

Nathan Goergen, MD, PhD

Jane Goodson, MD

Chief Resident
University of Minnesota

Jane Goodson, MD

Lauren Costello, MD

University of Nebraska Medical Center

Lauren Costello, MD

William Guthmiller, DO

Des Moines University

William Guthmiller, DO

Paul Harding, MD

Chief Resident
University of Nebraska Medical Center

Paul Harding, MD

Gary LaCroix, MD

University of Texas Medical Branch

Gary LaCroix, MD

Jeremy Payne, MD

University of Nebraska Medical Center

Jeremy Payne, MD

Zachary Schell, MD

Indiana University

Zachary Schell, MD

Elizabeth Ternent-Rech, DO

Des Moines University

Elizabeth Ternent-Rech, DO

Taylor Ziegler, MD

University of Nebraska Medical Center

Taylor Ziegler, MD

Cardiothoracic Anesthesiology Fellows

Tyler Abarca, MD

Medical School - University of Iowa
Residency - University of Alabama at Birmingham

Tyler Abarca, MD, headshot

Scott Breeden, DO

Medical School - Marian University
Residency - Cleveland Clinic Foundation
Fellowship - University of Nebraska Medical Center, Critical Care

Scott Breeden, DO, headshot

Christopher Konkel, DO

Medical School - Kansas City University
Residency - University of Central Florida

Christopher Konkel, DO, headshot

Jaimi Philip, MD

Medical School - Ross University School of Medicine
Residency - Robert Packer Hospital

Jaimi Philip, MD, headshot

Megan Rolfzen, MD

Medical School - University of Nebraska Medical Center
Residency - University of Nebraska Medical Center

Megan Rolfzen, MD, headshot

Critical Care Anesthesiology Fellows

Wesley Burdiek, MD

Medical School - University of Kansas School of Medicine – Wichita
Residency - University of Kansas School of Medicine - Wichita

Wesley Burdiek, MD, headshot

Nicholas Linares, DO

Medical School - Alabama College of Osteopathic Medicine
Residency - Christus Spohn-Shoreline, Emergency Medicine

Nicholas Linares, DO, headshot

Timothy McNamara, DO

Medical School - Edward Via College of Osteopathic Medicine, Carolinas Campus
Residency - HCA East Florida - St. Lucie Medical Center, Emergency Medicine

Timothy McNamara, DO, headshot

Mason Patel, DO

Medical School - Kansas City University
Residency - HCA Medical City Arlington, Emergency Medicine

Mason Patel, DO, headshot

Pain Medicine Fellows

James Bolduc, DO

Medical School - Nova Southeastern University
Residency -HCA Florida Kendall Regional Medical Center

James Bolduc, DO, headshot

Leith Hobbs, DO

Medical School - New York Institute of Technology
Residency - University of Nebraska Medical Center

Leith Hobbs, DO, headshot

Dan Nicholls, MD

Medical School - University of Nebraska Medical Center
Residency - University of Nebraska Medical Center

Dan Nicholls, MD, headshot

Residency Training

The first clinical anesthesia year (CA1) begins after the completion of a foundational clinical skills year (CBY). The department offers categorical positions, which include one clinical base year and three clinical anesthesia years.