Jacob Mark, MD
Assistant Professor, Pediatrics-Gastroenterology, Hepatology and Nutrition

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Medical School:
  • MD, Boston University School of Medicine (2012)
Undergraduate School:
  • BS, Bates College (ME) (2007)
Residency:
  • University of Colorado (Children's Hospital Colorado) Program, Pediatrics
Fellowships:
  • University of Colorado (Children's Hospital Colorado) Program, Pediatric Gastroenterology
Department: Pediatrics-Gastroenterology, Hepatology and Nutrition

Professional Titles

  • Medical Director, Pediatric Pancreatic Diseases Program

Publications

  • Joseph M, Nguyen N, Wiersch J, Mark JA. Endoscopic Ultrasound-Guided Removal of an Unusual Paraesophageal Foreign Body Through the Esophageal Wall. Am J Gastroenterol. 2023 Nov 1. [Epub ahead of print] PubMed PMID: 37815207
  • Morinville VD, Husain SZ, Wang F, Cress GA, Abu-El-Haija M, Chugh A, Downs E, Ellery K, Fishman DS, Freeman AJ, Gariepy CE, Giefer M, Gonska T, Liu Q, Maqbool A, Mark J, Mcferron BA, Mehta M, Nathan JD, Ng K, Ooi CY, Perito E, Ruan W, Schwarzenberg SJ, Sellers ZM, Serrano J, Troendle DM, Wilschanski M, Zheng Y, Yuan Y, Lowe M, Uc A. Pediatric Drug-Associated Pancreatitis Reveals Concomitant Risk Factors and Poor Reliability of Causality Scoring: Report From INSPPIRE. J Pediatr Gastroenterol Nutr. 2023 Oct 1;77(4):540-546. PubMed PMID: 37496124
  • Chu C, Tran P, Moreau C, Mark JA, Kramer RE, Piester TL. A National Survey of the Training and Practice Patterns of Practicing Pediatric Advanced Endoscopists in the United States. J Pediatr Gastroenterol Nutr. 2023 Sep 1;77(3):407-412. PubMed PMID: 37364161
  • Nguyen N, Mark J, Furuta GT. Reply. Clin Gastroenterol Hepatol. 2023 Jan;21(1):241. PubMed PMID: 35378294
  • Nguyen N, Mark J, Furuta GT. Emerging Role of Transnasal Endoscopy in Children and Adults. Clin Gastroenterol Hepatol. 2022 Mar;20(3):501-504. PubMed PMID: 34921762
  • Montminy T, Belkind-Gerson J, Kilgore A, Tran P, Mark JA. Evaluating the Accuracy of Anal Botulinum Toxin Injection in Children With Constipation Using Endoscopic Ultrasound. J Pediatr Gastroenterol Nutr. 2022 Apr 1;74(4):e98. PubMed PMID: 35129156
  • Nguyen N, Mark J, Furuta GT. Reply. Clin Gastroenterol Hepatol. 2022 Apr 2. [Epub ahead of print] PubMed PMID: 35378294
  • Mark JA, Kramer RE. Ketorolac Is Safe and Associated With Lower Rate of Post-Endoscopic Retrograde Cholangiopancreatography Pancreatitis in Children With Pancreatic Duct Manipulation. J Pediatr Gastroenterol Nutr. 2021 Oct 1;73(4):542-547. PubMed PMID: 34321424
  • Khalaf RT, Walker T, Mark J. Abundant Pancreatic Cysts in a Teenager Leading to a Diagnosis of Von Hippel-Lindau. J Pediatr Gastroenterol Nutr. 2020 Oct;71(4):e129. PubMed PMID: 32404765
  • Sellers ZM, Piester T, Mark J, Khalaf R, Abu-El-Haija M, Husain SZ. Patient Passport for Pediatric Acute Recurrent and Chronic Pancreatitis. J Pediatr Gastroenterol Nutr. 2020 Jul;71(1):e51-e53. PubMed PMID: 32404745
  • Mark JA, Underberg K, Kramer RE. Results of duodenoscope culture and quarantine after manufacturer-recommended cleaning process. Gastrointest Endosc. 2020 Jun;91(6):1328-1333. PubMed PMID: 31945325
  • Mark JA, Anderson BT, Pan Z, Menard-Katcher C, Kramer RE. Comparative Analysis of Adverse Events After Esophageal Balloon and Bougie Dilations in Children. J Pediatr Gastroenterol Nutr. 2019 May;68(5):630-634. PubMed PMID: 30562312
  • Mark JA, Campbell K, Gao D, Kramer RE. Algorithm to Predict Which Children With Chronic Abdominal Pain Are Low Suspicion for Significant Endoscopic Findings. Clin Pediatr (Phila). 2019 Jan;58(1):79-87. PubMed PMID: 30306797
  • Mark JA, Campbell K, Gao D, Kramer RE. Algorithm to Predict Which Children With Chronic Abdominal Pain Are Low Suspicion for Significant Endoscopic Findings. Clin Pediatr (Phila). 2018 Oct 11;:9922818806317. [Epub ahead of print] PubMed PMID: 30306797
  • Mark JA, Nguyen N, Rosenwald K, Brumbaugh DE, Kramer RE. Retrieval of 28 Rare Earth Magnets from The Small Bowel with Antegrade Single Balloon Enteroscopy. J Pediatr Gastroenterol Nutr. 2018 Jul 30. [Epub ahead of print] PubMed PMID: 30063583
  • Mark JA, Kramer RE. Impact of fellow training level on adverse events and operative time for common pediatric GI endoscopic procedures. Gastrointest Endosc. 2018 Jul 19. [Epub ahead of print] PubMed PMID: 30031806
  • Mark J, Narkewicz MR. Cutting-edge Treatment for Benign Pediatric Esophageal Strictures, a Step Forward, More to Go. J Pediatr Gastroenterol Nutr. 2018 Oct;67(4):433-434. PubMed PMID: 29697551
  • Mark J, Fernando SD, Masterson JC, Pan Z, Capocelli KE, Furuta GT, de Zoeten EF. Clinical Implications of Pediatric Colonic Eosinophilia. J Pediatr Gastroenterol Nutr. 2018 May;66(5):760-766. PubMed PMID: 29095349
  • Mark JA, Mack CL, Marwan AI, Kramer RE. Use of Fully Covered Self-expanding Metal Biliary Stents in Pediatrics: A Case Series. J Pediatr Gastroenterol Nutr. 2018 Mar;66(3):e71-e75. PubMed PMID: 28837510
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Practice Locations

Children's Hospital Colorado Anschutz Medical Campus
13123 East 16th Ave
Aurora, CO 80045
720-777-1234

Hospital Affiliation
  • Children's Hospital Colorado

Specialty Information

Specialties
  • Pediatric Gastroenterology, Board Certification
Conditions & Treatments
  • Digestive System
  • Digestive System - Gastroenterology (Stomach, Bowel, General GI Problems)
  • Digestive System - Therapeutic Endoscopy
  • Child and Teen Health - Children's Health
  • Child and Teen Health
  • Child and Teen Health - Pediatric Diseases and Conditions
  • Digestive System - Pancreas Surgery
Clinical Interests
I am interested in improving the health of all children with gastrointestinal problems. I have particular interest in caring for patients with pancreatitis and pancreatic disorders. I understand that these patients need complex care, so we have developed a multidisciplinary Pancreatic Diseases Program with several different specialists to improve the health and wellbeing of these children.

Care Philosophy
My goal is to improve the lives of the children I am privileged to care for. We do not need to run every test or do every procedure for every child and put them through more than is necessary. By carefully listening and understanding the story of each child, we can choose the right tests, procedures, and treatments for that particular child and their family.

General Information

Medical Schools:
  • MD, Boston University School of Medicine (2012)
Undergraduate Schools:
  • BS, Bates College (ME) (2007)
Residency Programs:
  • University of Colorado (Children's Hospital Colorado) Program, Pediatrics (0001)
Fellowships:
  • University of Colorado (Children's Hospital Colorado) Program, Pediatric Gastroenterology (0001)
Department: Pediatrics-Gastroenterology, Hepatology and Nutrition
Contact Us
CU Anschutz
Fitzsimons Building

13001 East 17th Place
Campus Box C290
Aurora, CO 80045

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