Advanced Practice Trauma & Critical Care Conference

Faculty - Physicians

Joseph R. Bledsoe, MD

Joseph Bledsoe MD is an emergency physician at Intermountain Medical Center with Utah Emergency Physicians. His research interests have led him to become the Director of Research for Emergency Medicine and Co-Director of Research for Trauma at IMC. His area’s of interest include: venous thromboembolic disease, trauma and healthcare efficiency. Dr. Bledsoe received his medical degree from the University of Colorado Health Sciences Center. He completed an Internal Medicine Internship at the University of Utah. He completed his emergency medicine residency training and an Emergency Medicine Research Fellowship at the University of Utah as well.  He is board certified in Emergency Medicine.


Samuel M. Brown, MD, MS

Dr. Brown graduated summa cum laude from Harvard College in linguistics, and then went on to complete his medical degree at Harvard Medical School. As a clinical researcher, a scholar of medical ethics and humanities and director of the Center for Humanizing Critical Care, Dr. Brown aims to understand differences among patients and families experiencing life-threatening illness by employing advanced statistical methods to understand both the physiology and psychology of critical illness. In his research, Dr. Brown hopes to illuminate the natural history of life-threatening illness and develop test tailored interventions to help patients and their families. Through collaborations across disciplines, he seeks to improve intensive care across the spectrum of meaningful outcomes through careful application of insights from community collaborators, focus groups, work in ethics, and rigorous clinical investigations.​​


Robert J. Bryant, MD

Rob graduated from The University of Otago School of Medicine, New Zealand, in 1998, and completed his Emergency Medicine residency at the Medical College of Wisconsin in 2004. He is an adjunct assistant clinical professor in the Division of Emergency Medicine, University of Utah School of Medicine, and works for Utah Emergency Physicians at Intermountain Medical Center, and Alta View Hospitals. His clinical interests include Emergency Department Critical Care, Airway Management and the use of Social Media tools for medical education.  In 2013 he received the Intermountain Medical Center Faculty award for outstanding contribution to Resident Education from the Emergency Medicine Residents. His extra curricular interests include cross country skiing, mountain biking, and trail running.




Craig S. Cook, MD, FACS

Craig considers himself a Utah native although he was born in Honolulu & spent his early years growing up as an army brat. He graduated from Orem High School where he enjoyed athletics a fair bit more than the classroom. After serving a two year LDS Church mission in England, Craig graduated magna cum laude from BYU. He subsequently obtained his M.D. from The University of Utah where he was AOA as a junior. Craig chose to pursue a general surgery residency at The University of Arizona during which he gained a great deal of experience in multiple surgical specialties, the most significant of which was trauma critical care. Ironically, he regards these five years as severe, personal trauma as well! Since 2003, Dr. Cook has pursued a busy general surgery practice in Provo, Utah while also caring for thousands of critically injured trauma patients. Craig has served as the Trauma Medical Director for Utah Valley Regional Medical Center (a level 2 trauma center) for the past 6 years & has a keen interest in acute resuscitation, abdominal & chest wall reconstruction, trauma education & systems, & critical care. He also takes great interest in challenging general surgery cases, both open & laparoscopic. It has been rumored that Craig has an addiction problem … to “work.” In his spare time, of which there is never enough, Craig loves spending time at home & vacationing with his amazing wife & three beautiful daughters.    


Steven_Granger_thumb.jpgStephen J. Fenton, MD

Dr. Stephen Fenton is an attending surgeon in the Division of Pediatric General, Thoracic, and Neonatal Surgery at Primary Children’s Hospital. He is also an Assistant Professor of Surgery at the University of Utah School of Medicine. Prior to his training in pediatric surgery at the Children’s Hospital of Philadelphia, he worked as a general surgeon for the United States Air Force in San Antonio, Texas where he specialized in complex minimally invasive surgery. As the lead trauma surgeon, he was deployed on two separate occasions serving in both Afghanistan and the Philippines.

Dr. Fenton is fluent in Spanish and is happy to talk to you and/or your child’s doctor. He has extensive experience in minimally invasive surgery for the treatment of gastroesophageal reflux, choledochal cysts, and complex neonatal disorders including: tracheoesophageal fistula (TEF), duodenal atresia, congenital diaphragmatic hernia (CDH), and congenital lung lesions. He also has strong interests in extracorporeal membrane oxygen (ECMO) life support, the management of neonatal conditions and in particular the diagnosis and treatment of conditions during the fetal period.

​Dr. Fenton specializes in the following conditions: inguinal hernia, umbilical hernia, undescended testicle, hydrocele, cholecystectomy (removal of the gallbladder), gastrostomy (placement of a stomach tube), appendectomy (removal of the appendix), vascular access (ports and central lines), ulcerative colitis, Crohn’s disease, gastroesophageal reflux disease, chest wall deformities (pectus excavatum and pectus carinatum), pediatric endocrine surgery (thyroid and adrenal tumors/pancreas surgery).


Steven_Granger_thumb.jpgSteven R. Granger, MD, FACS

Dr. Steven Granger practices Trauma Surgery, General Surgery, and Surgical Critical Care at Intermountain Medical Center, an ACS verified Level 1 Trauma Center in Salt Lake City, Utah.

He is a Fellow of the American College of Surgeons and an Adjunct Assistant Professor of Surgery in the University of Utah Surgery Residency Program. His duties within the Trauma Program include various outreach, research, and quality-improvement projects, including clinical effects and timing of flight after traumatic pneumothorax, thromboelastography, resident and mid-level education, and the surgical fixation of rib fractures.

When not at the hospital, Steve enjoys water sports, cycling, snowmobiling, skiing at Snowbird, and his family life. He has six girls at home – his wife, four daughters, and Moxie (their dog).


Colin_Grissom_thumb.jpgColin K. Grissom, MD

Colin K. Grissom, MD, is the Associate Medical Director of the Shock Trauma Intensive Care Unit and Director of Critical Care Echocardiography at Intermountain Medical Center. Dr. Grissom was the leader in bringing critical care ultrasound and echocardiography to the bedside the multidisciplinary 24-bed Shock Trauma Intensive Care Unit. Dr. Grissom is a Professor of Medicine at the University of Utah.

A 1983 graduate of Yale University, Dr. Grissom earned his M.D. from the Yale University School of Medicine in 1990. He trained in internal medicine at the University of Washington Hospitals from 1990 to 1993, and then completed a fellowship in pulmonary and critical care at the University of Utah from 1994 to 1996. During every spring climbing season from 1992 to 1998, Dr. Grissom was a Volunteer Physician for the National Park Service High Altitude Camp at 14,000 ft. on Mt. McKinley, Alaska, where he gained experiences participating in mountain rescue operations for injured climbers. He is also the Former President of the Wilderness Medical Society. From 1990 to 2010, Dr. Grissom served as the Assistant Medical Director for Life Flight at Intermountain Healthcare and as a member of the Hoist Committee.


H. Coleman Herrod, MD

Coming Soon!

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Howard M. Leaman, MD

Coming Soon!

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Colin_Grissom_thumb.jpgSarah D. Majercik, MD, MBA, FACS

Sarah Majercik practices Trauma Surgery and Surgical Critical Care at the Intermountain Medical Center, an ACS verified Level 1 Trauma Center in Salt Lake City, Utah. Originally from Burlington, Vermont, she received her undergraduate education at Harvard, medical school at the University of Vermont, and surgical training at Brown University. In 2007, she completed her MBA at Washington University in St. Louis.  Currently, she is the co-director of Trauma Research at Intermountain Medical Center.  Her research interests include trauma risk scoring systems, outcomes after surgical fixation of rib fractures, and the effects of hypobaria on traumatic pneumothoraces.


Colin_Grissom_thumb.jpgMichael P. Mallin, MD, RDCS

Dr. Mallin received his Bachelor of Science in Chemical Engineering and his Doctor of Medicine from the University of South Carolina. He completed residency in Emergency Medicine at the University of Utah School of medicine. Dr Mallin served as chief resident and was awarded the Outstanding Resident Contributor Award during his final year of residency.

Following residency, Dr. Mallin completed the inaugural fellowship in Emergency Ultrasound at the University of Utah School of Medicine. During his felowship year, he was awarded teacher of the year for the Division of Emergency Medicine. In addition to standard bedside ultrasound, he concentrated on cardiac echocardiography, took an Executive Fellowship in Perioperative Echocardiography, and sat for the National Board of Echocardiography’s Examination of Special Competence in Adult Echocardiography. Dr. Mallin now holds Testamur status with the National Board of Echocardiography.​ 



George J Nikopoulos, MD​

George Nikoopoulos MD is currently employed by Intermoutain Healthcare as a consult liason psychiatrist at Intermountain Medical Center. He is currently an Adjunct Associate Professor at the University of Utah. He has extensive experience in designing and implementing care process models in behavioral health. He has 2.9 % Neandrethal genes.

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Mark_Shah_thumb.jpgMark B. Shah, MD, FACEP

Dr. Shah has been an Emergency Medicine physician for 13 years. He became involved with disaster medicine while at the University of New Mexico, and was the medical director for the New Mexico Disaster Medical Assistance Team (DMAT) during deployments to Hurricanes Francis, Katrina, and Rita, overseeing the care of thousands of disaster victims.
Dr. Shah relocated to Salt Lake City in 2006 to work with Utah Emergency Physicians staffing the Intermountain Healthcare Emergency Departments in the Salt Lake area. In addition, he is the medical director for Emergency Management with Intermountain Healthcare's Urban Central Region, co-medical director of the Intermountain Center for Disaster Preparedness, and medical director of Utah DMAT. He provided medical care in Haiti after their earthquake with International Aid Serving Kids. He is the course director for an interprofessional education course for the University of Utah, which uses simulation to teach medical students, nursing students, PA students, and other health profession students the essentials of disaster medicine and is also involved in policy work and has recently been working collaboratively to develop Crisis Standards of Care for Utah.


Lynnette M. Schiffern, MD, FACS

Dr. Lynn Schiffern practices Trauma Surgery, General Surgery, and Surgical Critical Care at Carolinas Medical Center in Charlotte NC.  Carolinas Medical Center is a Level I trauma center that admits approximately 6000 trauma patients a year.

She is the Associate Program Director for the general surgery residency at Carolinas Medical Center.  She is an Assistant Professor of Surgery at University of North Carolina Chapel Hill and is a Fellow of the American College of Surgeons. She loves teaching surgery as evidenced by the teaching and mentor awards she has received while at Carolinas Medical Center.

Lynn enjoys spending time with her family the most.  She has two children and a loving husband.  She loves to explore new places and see the world through her children’s eyes.  


Mark_Stevens_thumb.jpgMark H. Stevens, MD, FACS

Dr. Stevens completed general surgery and trauma training at Parkland Hospital in Dallas, Texas (slightly later than when John Kennedy made his short appearance there). Following his training, he moved to Salt Lake City, where he has practiced as an Acute Care Surgeon at LDS Hospital and Intermountain Medical Center and as a trauma surgeon at Primary Childrens Medical Center. He has served as a member of the Utah State EMS Committee and has chaired the Intermountain Healthcare System-wide Trauma Operations Committee. Currently he serves as the Medical Director of Trauma at Intermountain Medical Center.


Scott M. Stevens, MD

Scott M. Stevens, MD is an Assistant Professor in the Department of Medicine at LDS Hospital. In his previous experience, he has been the Associate Medical Director in Internal Medicine at Fourth Street Clinic and Assistant Program Director of Internal Medicine Residency at LDS Hospital, both located in Salt Lake City, Utah.

He has had an extensive history at LDS Hospital, with duties including Chair of Medical Records Committee from 2002 through present, Intermountain Healthcare Urban Central Region Chronic Anticoagulation Clinic Steering Committee from 2004 - present, and as a Committee Member of the Utah Medical Association Continuing Medical Education Committee from 2006 – present. Dr. Stevens also has a clinical interest and performs consultative care in venous thromboembolism and anticoagulation.

Dr. Stevens received his medical degree from Loma Linda University and complete his residency at LDS Hospital in Salt Lake City, Utah, where he was the chief resident from 1998 – 1999. He is board certified in Internal Medicine.

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Don_Van_Boerum2_thumb.jpgDon H. Van Boerum, MD, FACS

Dr. Don Van Boerum practices Trauma Surgery and Surgical Critical Care at the Intermountain Medical Center, an ACS verified Level 1 Trauma Center in Salt Lake City, Utah. 

He completed his Residency at University of Arizona Health Sciences Center in Tucson, Arizona and his Fellowship at the University of California Davis Medical Center in Sacramento, California. He is the Surgical Director of the Critical Care ICU at Intermountain Medical Center and is an Adjunct Assistant Professor of Surgery in the University of Utah Surgery Residency Program. His clinical interests include surgical fixation of rib fractures and surgical critical care, and he also serves as the State Vice Chairman of American College of Surgeons Committee on Trauma.

When not at the hospital, you will likely find Dr. Van Boerum on medical patrol at Snowbird Ski Resort, biking many miles on local roads - including from Logan, Utah to Jackson Hole, Wyoming - or spending time with his wonderful family.


​Thomas W. White, MD, FACS, CNSC

Dr. White practices Trauma Surgery and Surgical Critical Care at the Intermountain Medical Center, an ACS verified Level 1 Trauma Center in Salt Lake City, Utah.

He is the Medical Director of the Nutrition Support Service and is a Clinical Professor of Surgery in the University of Utah Surgery Residency Program. He also co-directs the Intermountain APC Critical Care Residency Program. 

His clinical interests include bedside echocardiography, critical care nutrition, thromboelastography, resident and mid-level education, and the surgical fixation of rib fractures.  He is a recognized expert in the field of plating, and has participated in efforts on a national scale to improve the overall care for patients with broken ribs.

When not at the hospital, you will likely find Tom skiing at Snowbird, running the local canyons with his dog, Lulu, or spending time with his wonderfully supportive family.

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