Colon and Rectal Surgery Alumni
Alumni
2021-2022 Fellow

Andrew N. Mueller, MD
Residency – University of Hawaii Honolulu, HI
Medical School – Medical College of Wisconsin
Currently Practicing at Kaiser Hospital, Modesto, CA
2020-2021 Fellow

Calliandra Hintzen, MD
Residency – SCL St. Joseph Hospital Denver, CO
Medical School – University of Arizona College of Medicine- Phoenix
Currently Practicing in Denver, Colorado
2019-2020 Fellow

Tyler Bernaiche, MD
Residency – Inova Fairfax Medical Center Falls Church, VA
Medical School – Tuft University School of Medicine
Currently Practicing in Bangor, Maine
2018-2019 Fellow

Moriah Wright, MD
Residency –Baystate Medical Center, Springfield, MA
Medical School –Tufts University School of Medicine, Boston, MA
Currently Practicing at Memphis Surgery Associates, Memphis, TN
2017-2018 Fellow

Ohmar P. Coughlin, MD
Residency – Iowa Methodist Medical Center Des Moines, IA
Medical School – University of Minnesota Medical School
Currently Practicing at Methodist Medical Center Des Moines, IA
2016-2017 Fellow

Piyush Aggarwal, MD
Residency – Creighton University School of Medicine
Medical School – Kasturba
Medical College, Mangalore, India
Currently Practicing at Memorial Sloan-Kettering Cancer Center New York, NY
Fellowship, Advanced Surgical Colorectal Oncology
2015-2016 Fellow

Darcy D. Shaw, MD
Residency – Michigan State University
Medical School – University of Minnesota Medical School
Currently Practicing at Colon and Rectal Surgery Advanced Surgical Associates in Lees Summit, Missouri
2014-2015 Fellow

Michael Munly, MD
Residency – Oregon Health & Science University School of Medicine
Medical School – Medical College of Wisconsin
Currently Practicing at The Oregon Clinic – Westside Surgical Specialists in Portland, OR
2013-2014 Fellow

Michael Johnson, MD
Residency – Cleveland Clinic, Cleveland, OH
Medical School – Columbia University College of Physicians and Surgeons, New York, NY
Currently Practicing at Dayton Colon and Rectal Center, Inc.
Contact Us
Director
Zachary Torgersen, MD
Program Coordinator
Loretta Melichar
LorettaMelichar@creighton.edu
Creighton University School of Medicine Colon and Rectal Surgery
9850 Nicholas St.
Suite 100
Omaha, NE 68114
Ph: 402.343.1122
Fax: 402.343.1177
Monday-Friday, 8:00am – 5:00pm