Our anesthesiologists are all Board Certified or Board Eligible through the American Board of Anesthesiologists


Seri Ann Carney, MD

Fellowship:   Mayo Clinic, Rochester, MN, 2016
Residency:   Anesthesiology, Mayo Clinic, Rochester, MN, 2015
Medical School:   Creighton University, 2011
Undergraduate:   South Dakota State University, B.S. in Biology, 2005

Certifications:     American Board of Anesthesiology, 2016


David John Dingsor, MD

Residency:   Anesthesiology, Kansas University Medical Center, 2006
Medical School:   University of South Dakota, 2002
Undergraduate:   University of Sioux Falls, BS in Biology and Chemistry, 1998

Certifications:     American Board of Anesthesiology, 2008


Craig W. Donelan, MD

Residency:   Anesthesiology, Mayo Clinic, 2006
Medical School:   University of South Dakota School of Medicine, 2002
Undergraduate:   University of South Dakota, BS in Biology, 1998

Certifications:     American Board of Anesthesiology Recertification , 2017
American Board of Anesthesiology, 2007


Kelly Doolittle, MD


Jack C. Gaspari, MD

Residency:   Anesthesiology, Mayo Clinic, 1997
Medical School:   Medical College of Ohio, 1993
Undergraduate:   Denison University, BS in Biology, 1989

Certifications:     Anesthesia Pediatric Board Certification, 2014
American Board of Anesthesiology Recertification, 2009
American Board of Anesthesiology, 1997


Robert E. Grady Jr., MD

Fellowship:   Mayo Clinic, 1996
Residency:   Anesthesiology, The Western Pennsylvania Hospital, 1995
Medical School:   Wake Forest University, 1991
Undergraduate:   Wake Forest University, BS in Biology, 1987

Certifications:     American Board of Anesthesiology recertification, 2009
American Board of Anesthesiology, 1996


Barry D. Hein, MD

Fellowship:   Mayo Clinic, 2005
Residency:   Anesthesiology, Mayo Clinic, 2004
Medical School:   University of Colorado, 2000
Undergraduate:   University of Denver, BS in Biology, 1996

Certifications:     American Board of Anesthesiology, Pain Management, 2008
American Board of Anesthesiology, 2005


Gregory D. Hieb, MD

Fellowship:   Mayo Clinic, 2004
Residency:   Anesthesiology, Mayo Clinic , 2003
Medical School:   University of South Dakota School of Medicine, 1999
Undergraduate:   The South Dakota State University, , 1994

Certifications:     American Board of Anesthesiology, 2004


Marshall I. Holifield, MD

Residency:   Anesthesiology, Mayo Clinic, 2009
Medical School:   Creighton University School of Medicine, 2005
Undergraduate:   Creighton University, BS in Mathematics, 2001

Certifications:     American Board of Anesthesiology, 2010


Casey S. Husser, MD

Fellowship:   Mayo Clinic Graduate School of Medicine, 2005
Residency:   Anesthesiology, Mayo Clinic Graduate School of Medicine, 2003
Medical School:   Mayo Medical School, 1999
Undergraduate:   University of California at Davis, BS in Physiology, 1995

Certifications:     American Board of Anesthesiology, 2004

Professional Interests:     Management and utilization review of perioperative serivices, performance improvement through implementation of decision support in the EMR, anesthesia for thoracic surgery.


Brad Iverson, MD


Sam C Jensen, MD


Michael M. Johnson, MD

Residency:   Anesthesiology, Mayo Clinic, 2002
Medical School:   University of South Dakota, 1998
Undergraduate:   South Dakota State University, BS in Pharmacy, 1994


Stephania Knight, MD

Residency:   Anesthesiology, Mayo Clinic, 2009
Medical School:   Rush University Medical School, 2005
Undergraduate:   Benedictine University, BS in Biology and History, 2001

Certifications:     American Board of Anesthesiology, 2010


Robert J. Lunn, MD

Fellowship:   Harvard Medical School, 1989
Residency:   Anesthesiology, Mayo Clinic, 1988
Medical School:   Baylor College of Medicine, 1985
Undergraduate:   North Dakota State University, BS, 1981

Certifications:     American Board of Anesthesiology recertification, 2008
American Board of Anesthesiology, 1990


Loc Nguyen, MD

Fellowship:   The Children's Hospital-University of Colorado, Denver, 2009
Residency:   Anesthesiology, Mayo Graduate School of Medicine, 2008
Medical School:   Mayo Medical School, 2004
Graduate:   Mayo Graduate School of Medicine, PhD in Immunology, 2002
Undergraduate:   Loyola University Chicago, BS in Biology, 1995

Certifications:     American Board of Anesthesiology-Pediatric Anesthesia, 2014
American Board of Anesthesiology, 2009


Kevin Rance, MD


Ryan R. Rowberry, MD

Fellowship:   Cincinnati Children's Hospital Medical Center, 2011
Residency:   Anesthesiology, Mayo Clinic Graduate School of Medicine, 2010
Medical School:   The George Washington University, 2006
Undergraduate:   University of Utah, BA in Biology, 2002

Certifications:     American Board of Anesthesiology - Pediatric Anesthesia, 2013
American Board of Anesthesiology, 2011


Malcolm S. Sanders, MD

Residency:   Anesthesiology, Mayo Graduate School of Medicine, 1997
Internal Medicine, Mayo Graduate school of Medicine, 1994
Medical School:   Medical College of Wisconsin, 1991
Undergraduate:   Clark University, BA, 1984

Certifications:     American Board of Anesthesiology, 1997
American Board of Internal Medicine, 1994


Brady J. Stocklin, MD

Residency:   Anesthesiology , Mayo Clinic, 2009
Transitional Residency, USD School of Medicine, 2006
Medical School:   USD School of Medicine, 2005
Undergraduate:   Dakota Wesleyan, BA in Biology, 1999

Certifications:     American Board of Anesthesiology, 2010


Daniel Thum, MD


Matthew R. Ulrich, MD

Fellowship:   Seattle Children's Hospital (University of Washington), 2010
Residency:   Anesthesiology, Mayo Clinic, 2009
Medical School:   University of Washington, 2005
Graduate:   University of Washington, Master of Science in Health Administration, 2003
Undergraduate:   Brigham Young University, Bachelor of Science in Accounting, 1998

Certifications:     American Board of Anesthesiology, 2010