Abdominal Surgery Expert Witnesses

Abdominal surgery expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on abdominal surgery. The abdominal surgery expert witness listings on this page are typically from fields/areas of expertise such as: Bariatric Surgery, Colon & Rectal Surgery, Critical Care Surgery, General Surgery, Gynecological Oncology, Gynecology, Surgical Oncology, and Trauma Surgery.

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Kristin K Zorn, MD

Gynecologic Oncology Expert

Little Rock, Arkansas
Gynecological Oncology, Gynecology - cancer genetics, fallopian tube cancer, ovarian cancer, vaginal cancer, endometrial cancer, vulvar cancer, cervical cancer, uterine cancer, peritoneal cancer, minimally invasive surgery, cervical dysplasia, BRCA mutations, Lynch syndrome, abdominal surgery, pelvic surgery, vaginal surgery, chemotherapy, targeted therapy
I am a physician based in Arkansas who is board-certified in Obstetrics and Gynecology and Gynecologic Oncology. I graduated magna cum laude from Williams College (Williamstown, MA) and then completed medical school at the University of Alabama School of Medicine (Birmingham, AL). I stayed at the University of Alabama at Birmingham for obstetrics and gynecology residency, then moved to the National Cancer Institute for two year of research for my gynecologic oncology fellowship. I moved to the University of Oklahoma Health Sciences Center for my clinical gynecologic oncology fellowship. After graduation, I worked at Magee-Womens Hospital of UPMC (Pittsburgh, PA) from 2005 to 2013, when I was recruited to the University of Arkansas for Medical Sciences as the division director for gynecologic oncology. I was promoted to tenured professor in 2019. After 20 years of experience in academic gynecologic oncology, I transitioned to industry in 2021, facilitating oncology clinical research....
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Avraham Belizon, MD

Robotic General and Colorectal Surgery

California
Colon & Rectal Surgery, General Surgery - Minimally invasive surgery, laparoscopic surgery, colon surgery, GI surgery, abdominal surgery
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Hussna Wakily, MD

Award Winning, Harvard Trained, General Surgeon

Oceanside, California
General Surgery, Colon & Rectal Surgery - Colon Surgery, Hernia Surgery, Breast Surgery, Minimally Invasive Surgery, Robotic Surgery, Abdominal Surgery, Emergency Surgery, Gastrointestinal Surgery, Mesh surgery, Intestinal Obstruction, Adhesions, Gallbladder surgery, Bile Ducts, Perforations, Colonoscopy complications, delay in diagnosis, Sepsis, hernia surgery
Expert witness for general surgery with over 14 years of clinical experience. Fellowship trained at Harvard Medical School’s Beth Israel Deaconess Medical Center in Minimally Invasive and Bariatric Surgery in Boston, MA. Consecutive Top Doctor Award winner from 2019-2025 for General. Voted Exceptional Women in Medicine 2023. Castle Connolly Award winner for 2019-2025, General Surgery. Currently serving as editor for the Surgical Endoscopy Journal and Journal of Surgical Research. Current hernia committee member for the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES). She is the Robotic Chairman at Scripps Encinitas Hospital. Experienced medical expert. Dr. Wakily offers accurate and thorough expert medical chart reviews and testimony for defense and plaintiff attorneys. Board certified, clinically active surgeon specializing in Acute Care/Emergency General Surgery, Laparoscopic Surgery, Robotic Surgery, Hernia Surgery, Colon and Rectal Surgery and all aspects r...
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Gregory S Campbell, MD FACS

Emergency Acute Care Trauma Surgeon Critical Care

North County Surgical Associates

San Diego, California
Critical Care Surgery, Trauma Surgery - Emergency Surgery, Cholecystitis, Resuscitation, Critical Care, Diverticulitis, Laparoscopic Cholecystectomy, Abdominal Surgery, Incarcerated Hernias, Percutaneous Tracheostomy, Appendectomy, Trauma, Bowel Obstruction, Necrotizing Fasciitis, Wound complications, Soft tissue Infections
Dr. Campbell's strength as an expert witness is to simplify complex medical /surgical issues for non medical personel to understand. He has practiced exclusively Trauma and Acute Care since 2004. He prides himself on being up to date with current literature. He is very comfortable speaking in public, and can be on the Defense or Plaintiff side of a case. All charts will be reviewed objectively in critical detail. Board Certified in General Surgery 2000 to present Board Certified in Surgical Critical Care 2002 to present ATLS Instructor/Faculty Primary Focus on Trauma and Acute Care Surgery with complex ICU Resuscitation. Navy Veteran 17 years with multiple overseas deployments as well as serving in Iraq 2003 Member of Western Trauma Association Chief of Surgery Palomar Medical Center 2021 -2023 Chief Of Surgery Elect Palomar Medical Center 2026 -2028 Operating Room Chair 2020 to present Trauma ICU Director 2020 to present Trauma IMC Director 2020- present Trauma Medical Surgical...
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Avraham Belizon, MD

Robotic General and Colorectal Surgery

Colorado
Colon & Rectal Surgery, General Surgery - Minimally invasive surgery, laparoscopic surgery, colon surgery, GI surgery, abdominal surgery
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Laura Harmon, MD, FACS

Board Certified Trauma Medical Director

Boulder , Colorado
Trauma Surgery, Critical Care Surgery - Trauma, General Surgery, Surgical Critical Care, Hernia, Cholecystitis, Process Improvement, Quality, Systems Management, Bowel Obstructions, Abdominal Surgery, Blunt Trauma, Penetrating Trauma, Trauma Medical Director, Shock, Colon Surgery, Traumatic Brain Injury, Septic Shock, Surgical Complications, Spinal Cord Injury, Concussion
Laura Harmon, MD, FACS, is a board-certified surgeon in Surgical Critical Care, General Surgery, and an expert in Trauma and Acute Care Surgery. She is deeply committed to delivering the highest quality, evidence-based, trauma-informed care. As a Trauma Medical Director, Dr. Harmon has extensive expertise in building and leading trauma infrastructures that support patient-centered care grounded in scientific rigor. She has designed and overseen American College of Surgeons–verified peer review and quality improvement programs, providing her with a comprehensive, systems-level understanding of trauma care delivery and performance improvement. This experience uniquely positions her to offer expert insight across all aspects of trauma care. Dr. Harmon maintains an active clinical practice in trauma and emergency general surgery at both Level I and Level II trauma centers. She has authored more than 30 peer-reviewed publications spanning general surgery, surgical critical care, and tr...
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Ronen Elefant, MD, MBA, MSEng

Trauma, Emergency Surgery, and Critical Care

West Hartford, Connecticut
Trauma Surgery, General Surgery - Trauma Surgery, Acute Care Surgery, General Surgery, Critical Care, Appendicitis, Spleen Trauma, Bowel Surgery, Hernia, Traumatic Brain Injury, Spinal Cord Injury, Abdominal Surgery, Gallbladder Surgery, Sepsis, Surgical complications
Ronen Elefant, MD, MBA, MSEng is an Acute Care Surgeon in active practice for over 10 years. As the Trauma Medical Director and Chief of Acute Care Surgery he brings expertise in Trauma, Emergency General Surgery, and Surgical Critical Care. Dr. Elefant trained at the prestigious Shock Trauma Center in Baltimore and is double board certified by the American Board of Surgery in both General Surgery and Surgical Critical Care. He is a Fellow of the American College of Surgeons and is a member of the Eastern Association for the Surgery of Trauma and the American Association for the Surgery of Trauma. Prior to his medical career he studied mathematics and physics, and obtained a Master’s degree from Columbia University in Biomedical Engineering. This training in seemingly diverse fields allows Dr. Elefant to synthesize information in his expert opinion work and convey the complex medical information in a simple, easy to understand manner. Additionally, Dr. Elefant is actively involved i...
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Kenneth A Larson, MD, FACS, FASMBS, FABOM

Center for Advanced Surgical Care

Loxahatchee Groves, Florida
General Surgery, Bariatric Surgery - Bariatric Surgery, Weight Loss Surgery, Hernia, Gallbladder, Mesh, Lap Band, Colon, Intestine, Breast Surgery, General Surgery, Sleeve, Gastric Bypass, Abdominal Surgery, Surgical Infection
Dr. Larson is a board-certified general surgeon with an active clinical practice in south Florida since 2004. He has a subspecialty interest in bariatric surgery and regularly performs over 500 general surgery procedures annually in addition to over 125 bariatric (weight loss) surgery procedures annually. Dr. Larson is the medical director for a nationally recognized center of excellence in bariatric surgery and maintains a faculty appointment with the University of Miami. He has been reviewing medicolegal cases since 2008 and has recent and ongoing experience with case reviews, affidavits, depositions, and trial testimony.
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Gregory S Campbell, MD FACS

Emergency Acute Care Trauma Surgeon Critical Care

North County Surgical Associates

Florida
Critical Care Surgery, Trauma Surgery - Emergency Surgery, Cholecystitis, Resuscitation, Critical Care, Diverticulitis, Laparoscopic Cholecystectomy, Abdominal Surgery, Incarcerated Hernias, Percutaneous Tracheostomy, Appendectomy, Trauma, Bowel Obstruction, Necrotizing Fasciitis, Wound complications, Soft tissue Infections
Dr. Campbell's strength as an expert witness is to simplify complex medical /surgical issues for non medical personel to understand. He has practiced exclusively Trauma and Acute Care since 2004. He prides himself on being up to date with current literature. He is very comfortable speaking in public, and can be on the Defense or Plaintiff side of a case. All charts will be reviewed objectively in critical detail. Board Certified in General Surgery 2000 to present Board Certified in Surgical Critical Care 2002 to present ATLS Instructor/Faculty Primary Focus on Trauma and Acute Care Surgery with complex ICU Resuscitation. Navy Veteran 17 years with multiple overseas deployments as well as serving in Iraq 2003 Member of Western Trauma Association Chief of Surgery Palomar Medical Center 2021 -2023 Chief Of Surgery Elect Palomar Medical Center 2026 -2028 Operating Room Chair 2020 to present Trauma ICU Director 2020 to present Trauma IMC Director 2020- present Trauma Medical Surgical...
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Avraham Belizon, MD

Robotic General and Colorectal Surgery

Boca Raton, Florida
Colon & Rectal Surgery, General Surgery - Minimally invasive surgery, laparoscopic surgery, colon surgery, GI surgery, abdominal surgery
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Michael C O'Laughlin, MD, FACS

Robotic/Minimally Invasive General Surgery

Lifebridge Health

Ellicott City, Maryland
General Surgery - Minimally invasive, Mesh complications, Endoscopy, Robotic, Acute Care Surgery, Hiatal hernia, Hernia, Emergency Surgery, abdominal wall reconstruction, cholecystectomy, Mesh infection, component separation, abdominal surgery, laparoscopic surgery, bariatric surgery
Received medical degree from Florida International University in Miami, FL. Completed General Surgery Residency at the Medical University of South Carolina in Charleston, SC and completed Minimally Invasive/Bariatric Surgery Fellowship at Northwest Hospital, Baltimore, MD. Currently practicing as part of Lifebridge Health in Baltimore, MD since 2022. Outpatient practice involves robotic/minimally invasive surgery including ventral/incisional and inguinal hernia repair, abdominal wall reconstruction for large hernias, hiatal hernia repair, gallbladder disease and pathology. Additionally, outpatient cases including skin and soft tissue pathology such as lipomas as well as upper endoscopies and colonoscopies. Also take call frequently as an acute care and emergency surgeon - common cases in this setting include open lysis of adhesions for small bowel obstruction, small bowel resection surgery, gastric perforation repair, open and minimally invasive colorectal surgery for diverticulitis...
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Eric J. Kraut, MD, FACS

General Surgery, Trauma and Critical Care

Eric J Kraut MD LLC

Owings Mills, Maryland
Trauma Surgery, General Surgery - General Surgery, Trauma, Critical Care, abdominal surgery, hernias, laparoscopy, endoscopy, bleeding, sepsis, injuries, intestinal surgery, cancer, breast cancer, colon cancer, diverticulitis, wounds, perforations, falls, motor vehicles crash, penetrating injuries
I have been in practice for 28 years. I am an assistant professor at Johns Hopkins University and I am board certified in general surgery and critical care. I have held many administrative positions which involved review of medical care. These include chief of surgery, trauma medical director, medical director of ambulatory surgery center, medical director and founder of a breast cancer center as well as educator of residents and students. I have had a broad experience in my career including both academic and private practices and levels 1, 2 and 3 trauma centers. I have maintained a broad range of skills. My career has included vascular, thoracic, oncologic, advanced laparoscopic and open procedures.
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Jonathan E. Schweid, MD, FACS

Experienced Trauma & Critical Care Surgery Expert

Ann Arbor, Michigan
Critical Care Surgery - General Surgery, Surgeon, Critical Care, Hernia Repair, Appendectomy, Colorectal Surgery, Abdominal Surgery, General & Minimally Invasive Surgery, Trauma & Emergency, Wound Care, Thyroid, Parathyroid, Adrenal, Perioperative Care, Postoperative Complications, Infection Management, Gastrointestinal, Laparoscopic Surgery, Robotic Surgery
Jonathan Schweid, MD, FACS, is board-certified by the American Board of Surgery in Surgery and Surgical Critical Care. Originally from Cleveland, Ohio, Dr. Schweid completed his medical degree at the Medical College of Ohio (UTMC) in 2004. He completed his surgical residency training at the Cleveland Clinic and Fairview Hospital in 2009 and his fellowship in surgical critical care at the Mayo Clinic in 2010. Since then, Dr. Schweid has been in clinical practice specializing in Trauma Surgery, Surgical Critical Care, and General Surgery. He is currently the Chief of Surgery at Henry Ford Jackson Hospital. Licensed in the States: Michigan Ohio Florida
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Akram Alashari, MD, FACS, CPE

Saginaw, Michigan
General Surgery, Critical Care Surgery - Trauma surgery, Personal Injury, Traumatic Injuries, Medical Malpractice, Critical Care, Intensive Care, Motor vehicle collision, Abdominal surgery, Surgical complications, Traumatic Brain Injury, Sepsis, Shock, Spinal Cord Injury, Abdominal pain, Gallbladder, Appendix, Intestines, Colon, Wounds
Dual board-certified in general surgery and surgical critical care. Active clinical practice with a decade of experience. Fellowship-trained trauma surgeon. Trauma Medical Director and Department of Surgery Chair of ACS-verified Level II Trauma Center. Active clinical practice includes elective general surgery, emergency general surgery, trauma surgery, and critical care. Associate Professor of Surgery - Trauma and Surgical Critical Care. Course Director for Advanced Trauma Life Support. Experienced healthcare speaker with presentations at national medical conferences. Active clinical practice includes the following: -Elective general surgery (examples: gallbladder removal, hernia repair) -Emergency general surgery (examples: appendicitis, bowel perforation, bowel obstruction, internal bleeding) -Trauma surgery (examples: motor vehicle collisions, gunshot wounds, stab wounds, falls) -Critical care (examples: head injury, respiratory failure, need for intensive care)
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Wayne S Orr, III

General Surgery and Surgical Oncology- Professor

University of Mississippi Medical Center

Ridgeland, Mississippi
General Surgery, Surgical Oncology - surgical oncology, hepatobiliary surgery, abdominal surgery, dermatological surgery, acute care surgery, breast surgery, colon surgery, rectal surgery, gallbladder surgery, small bowel surgery, appendix surgery, sarcoma, melanoma, stomach, gastric, robotic surgery, appendicitis, cancer, skin cancer
General Surgery- University of Tennessee Health Science Center- Memphis, TN Complex Surgical Oncology Fellowship- MD Anderson Cancer Center, Houston, Tx Division Chief, Surgical Oncology at the University of Mississippi Medical Center- Jackson, MS Associate Professor of Surgery at the University of Mississippi Medical Center- Jackson, MS Staff General Surgeon at Southwest Mississippi Medical Center- McComb, MS Staff General Surgeon at Merit Health Systems- Madison, MS Associate Program Director for General Surgery at the University of Mississippi Medical Center- Jackson, MS State Chair, American College of Surgeons Committee on Cancer, Mississippi Chairman, Clinical Cancer Committee at the University of Mississippi Medical Center- Jackson, MS Chair, Gastrointestinal Tumor Board at the University of Mississippi Medical Center- Jackson, MS
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Keely Buesing, MD, FACS

Professor of Surgery | Gen Surg, Trauma & ICU

KLB Witness Services, LLC

Omaha, Nebraska
General Surgery, Trauma Surgery - Trauma Surgery, Trauma Surgeon, Surgical Critical Care, Acute Care Surgery, Emergency Surgery, Critical Care Medicine, ICU, Sepsis, Septic Shock, Abdominal Surgery, Appendectomy, Cholecystectomy, Robotic Surgery, Bowel Perforation, Hernia, Hemorrhage, Gunshot Wound, Blunt Trauma, Motor Vehicle Accident, Hernia Mesh
Dr. Keely Buesing is a nationally recognized general, trauma and critical care surgeon with extensive experience in the care of critically ill and injured patients. She is double board-certified in General Surgery and Surgical Critical Care by the American Board of Surgery. Dr. Buesing is a Professor of Surgery at the University of Nebraska Medical Center (UNMC) and practices full-time at a Level I academic trauma center, where she provides expert care for critically ill and injured patients, including those with blunt and penetrating trauma, surgical emergencies, and complex abdominal conditions. Dr. Buesing brings an exceptional combination of clinical expertise, academic leadership, and legal insight to her role as an expert witness. Her areas of specialization include trauma surgery, emergency general surgery, and surgical critical care, with particular focus on complications related to cholecystectomy, appendectomy, bowel obstruction and perforation, hernia repair (including m...
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Marcin A Jankowski, DO, MBA, CPE, FACS, FACOS, CHSE, CPHQ, CHCQM-PHYADV

Experienced Surgery Complication Expert & Surgeon

Mays Landing, New Jersey
General Surgery, Trauma Surgery - Personal Injury, Traumatic Brain Injury, Concussion, Abdominal Surgery, Critical Care, Colon Surgery, Gallbladder Surgery, Sports Injury, Sepsis, Brain Death, Pulmonary Embolism, Deep Venous Thrombus, Pre-hospital Care, Burn Injury, Standard of Care, Surgical Complications, Trauma, Hospital Quality Safety, Policy review, Medical
I currently serve as the Vice Chair for Surgical Quality, Patient Safety and Performance Improvement for the Department of Surgery. Over the years, I have served as Chief of Trauma and Surgical Critical Care (and Trauma Program Medical Director) at two different Trauma Centers. I have significant clinical and administrative leadership experience and have lead numerous peer and quality group review committees and group case reviews. I have significant experience in reviewing and evaluating surgical cases for complications, errors, appropriate management and care as well as serving as an expert witness in numerous medical-legal cases. I have a breadth of experience in graduate and undergraduate medical education and have also obtained an Executive Healthcare MBA degree. I am considered to be a content expert in Trauma, Surgical Critical Care, General Surgery and Healthcare Quality. I have also served on numerous national board of surgery examiner's committees and have participated a...