Bryan L. Balmadrid
Clinical Associate Professor
Clinical Chief, Harborview Medical Center GI
Division of Gastroenterology

Faculty Information


Bryan Balmadrid, M.D., is a board certified physician and director of Endoscopy at Harborview, a UW assistant professor of Medicine and Gastroenterology and the UW Advanced Endoscopy Fellowship program director. 

Dr. Balmadrid’s first priority is always for patient care and comfort. "Patient care" means more than just providing a procedure or a clinic visit. For him, it means staying up to date with new technology and science and using all his resources including colleagues to provide patients with the best options.

Dr. Balmadrid earned his M.D. at the Medical College of Wisconsin. He is board certified in both Gastroenterology and Internal Medicine. He is active in device development and prototype testing to further advance the field of gastroenterology.

Board Certifications:

  • Gastroenterology, 2011, American Board of Internal Medicine
  • Internal Medicine, 2007, American Board of Internal Medicine
Education & Training: 
Advanced Fellowship in Therapeutic Endoscopy - Gastroenterology
Virginia Mason
Teaching Appointment
East Carolina University
Fellowship in Gastroenterology
Duke University Medical Center
Chief Residency in Internal Medicine
Tulane University Medical Center
Residency in Internal Medicine
Tulane University Medical Center
Internship in Internal Medicine
Tulane University Medical Center
Medical Education
Medical College of Wisconsin
Research & Clinical Interests
Clinical Interests: 
  • Gastroenterology (Digestive)
  • Telehealth Services

Cobey F., Balmadrid BL, Wild DM ,Glower D, Welsby IJ, An Unusual Cause of Massive Gastrointestinal Bleeding After Transesophageal Echocardiography. Journal of Cardiothoracic and Vascular Anesthesia 2011 Aug;25(4):678-9

Balmadrid, Bryan L.; Thomas, Catherine M.; Coffman, Cynthia J.; Liddle, Rodger A.; Fisher, Deborah A. Factors Associated with Survival of Veterans with Gastrointestinal Neuroendocrine Tumors. Journal of Cancer Epidemiology. 2012;2012:986708

Balmadrid, Bryan; Ross, Andrew. Severe Laceration in a Percutaneous Endoscopic Jejunostomy Placement Resolved with Over-the-Scope Clips. GIE (Focal Point). 2013.07.029

Irani, Shayan; Balmadrid, Bryan; Ross, Andrew; Gan, Seng Ian; Gluck, Michael, Kozarek, Richard. Balloon Dilation of Benign Small Bowel Strictures Using Double Balloon Enteroscopy: 5 year Review from a Single Tertiary Referral Center. Gastrointestinal Intervention. 2012; 1:74–78

Paxton BE, Kim CY, Alley CL, Crow JH, Balmadrid B, Keith CG, Kankotia RJ, Stinnett S, Arepally A. Bariatric embolization for suppression of the hunger hormone ghrelin in a porcine model. Radiology. 2013 Feb;266(2):471-9.

Balmadrid, Bryan; Gluck, Michael. Chronic Iron Deficiency Anemia Caused by Small Bowel Lipoma. GIE (Focal Point). 2013.10.048

Balmadrid, Bryan; Kozarek, Richard. Prevention and Management of Adverse Events of Endoscopic Retrograde Cholangiopancreatography. Gastrointestinal Endoscopy Clinics, 2013; 23(2):385-403 

Wild D, Balmadrid BL, Poleski M. The Diagnostic Yield of Site and Symptom-Based Biopsies for Acute Gastrointestinal Graft-Versus-Host-Disease: A 5-Year Retrospective Review. Digestive Diseases and Sciences (DDSJ-D-15-01065R). [Original Work]

Balmadrid BL, Hwang JH. Endoscopic Resection of Gastric and Esophageal Cancer. Gastroenterol Rep (Oxf). 2015 Nov;3(4):330-338 [Review]

Giefer ML, Balmadrid BL. Pediatric Application of the Lumen-Apposing Metal Stent for Pancreatic Fluid Collection. Gastrointestinal Endoscopy. 2016 Jul;84(1):188-189 [Original Work]

Sung AD, Hassan S, Cardona DM, Wild D, Nichols KR, Mehdikhani H, Balmadrid B, et al Late Gastrointestinal Complications of Allogeneic Hematopoietic Stem Cell Transplantation in Adults. Biol Blood Marrow Transplant. 2017 Dec 12. pii: S1083-8791(17)31676-2.

Ende AR, De Groen P, Balmadrid BL, Hwang JH, Inadomi J, et al. Objective Differences in Colonoscopy Technique Between Trainee and Expert Endoscopists Using the Colonoscopy Force Monitor. Dig Dis Sci. 2018 Jan;63(1):46-52.

Sung AD, Hassan S… Balmadrid BL, et al. Late Gastrointestinal Complications of Allogeneic Hematopoietic Stem Cell Transplantation in Adults. Biol Blood Marrow Transplant 2018 Apr;24(4):737-740

Cardona DM, Detweiler CJ…Balmadrid BL, et al. Use of the National Institutes of Health Concensus Guidelines Improves the Diagnostic Sensitivity of Gastrointestinal Graft-Versus-Host Disease. Arch Pathol Lab Med. 2018 Apr 26.

Balmadrid BL Recent advances in management of acalculous cholecystitis. F1000 Prime Review Articles. F1000Res. 2018 Oct 18;7. pii: F1000 Faculty Rev-1660