American Family Children's Hospital
Patrick R. Pfau, MD close
Patrick R. Pfau, MD

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Patrick R. Pfau, MD Print Friendly Page

Faculty, University of Wisconsin School of Medicine and Public Health

Dr. Pfau's practice focuses on the application of diagnostic and therapeutic endoscopy to gastrointestinal disease. This primarily includes the diagnosis and treatment of gastrointestinal malignancies, disorders of the biliary system and pancreas, and screening for GI malignancies, particularly colon cancer.


Gastroenterology and Hepatology

UW Health Clinics

Digestive Health Center
(608) 890-5000 | (855) 342-9900 | Map

Hospital Affiliation(s)

University Hospital (primary)
Veterans Hospital - Wm. S. Middleton Memorial, UnityPoint Health - Meriter (secondary)

UW School of Medicine and Public Health

Department of Medicine

Professional Certifications and Education

Board Certification Gastroenterology
Fellowship Hospital of the University of Pennsylvania, Philadelphia, PA
University Hospitals of Cleveland, Cleveland, OH
Residency Hospital of the University of Pennsylvania, Philadelphia, PA
Internship Hospital of the University of Pennsylvania, Philadelphia, PA
Medical School Northwestern University Medical School, Chicago, IL, 1994


Best Doctors® in America 2015

Best Doctors® in America 2014

Best Doctors® in America 2013


Medical interpreters are available to help patients communicate with hospital and clinic staff. For more information, please contact interpreter services at (608) 262-9000.


Our doctors provide a wide range of services. The following list represents some, but not all, of the procedures offered by this physician.


Dr. Pfau's research interests include therapeutic gastrointestinal endoscopy, gastrointestinal (GI) malignancies and colon cancer screening.

PubMed Articles
Wani S Keswani R Hall M Han S Ali MA Brauer B Carlin L Chak A Collins D Cote GA Diehl DL DiMaio CJ Dries A El-Hajj I Ellert S Fairley K Faulx A Fujii-Lau L Gaddam S Gan SI Gaspar JP Gautamy C Gordon S Harris C Hyder S Jones R Kim S Komanduri S Law R Lee L Mounzer R Mullady D Muthusamy VR Olyaee M Pfau P Saligram S Piraka C Rastogi A Rosenkranz L Rzouq F Saxena A Shah RJ Simon VC Small A Sreenarasimhaiah J Walker A Wang AY Watson RR Wilson RH Yachimski P Yang D Edmundowicz S Early DS . A Prospective Multicenter Study Evaluating Learning Curves and Competence in Endoscopic Ultrasound and Endoscopic Retrograde Cholangiopancreatography Among Advanced Endoscopy Trainees: The Rapid Assessment of Trainee Endoscopy Skills (RATES) Study. Clin Gastroenterol Hepatol. 2017 Jun 15;
[PubMed ID: 28625816]
Nelsen EM Abbott DE Pfau PR Benson ME . EUS core biopsy leading to duodenal brunneroma diagnosis. Gastrointest Endosc. 2017 Jun 6;
[PubMed ID: 28599917]
Weiss JM Kim DH Smith MA Potvien A Schumacher JR Gangnon RE Pooler BD Pfau PR Pickhardt PJ . Predictors of primary care provider adoption of CT colonography for colorectal cancer screening. Abdom Radiol (NY). 2017 Apr;42(4):1268-1275
[PubMed ID: 27864601]
Akhter A Brooks E Pfau P . An Unusual Case of Polymicrobial Bacteremia. Gastroenterology. 2017 Apr;152(5):e10-e11
[PubMed ID: 28263723]
Nelsen EM Buehler D Pfau PR . Endoscopic Ultrasound Fine-Needle Aspiration Diagnosis of Cryptococcus neoformans. Clin Gastroenterol Hepatol. 2017 Mar;15(3):e65-e66
[PubMed ID: 27639329]
Nelsen EM Lochmann-Bailkey A Grimes IC Benson ME Gopal DV Pfau PR . Low Yield and High Cost of Gastric and Duodenal Biopsies for Investigation of Symptoms of Abdominal Pain During Routine Esophagogastroduodenoscopy. Dig Dis Sci. 2017 Feb;62(2):418-423
[PubMed ID: 27995399]
Weiss JM Pickhardt PJ Schumacher JR Potvien A Kim DH Pfau PR Jacobs EA Smith MA . Primary Care Provider Perceptions of Colorectal Cancer Screening Barriers: Implications for Designing Quality Improvement Interventions. Gastroenterol Res Pract. 2017;2017:1619747
[PubMed ID: 28163715]
Bowman E Greenberg J Garren M Guda N Rajca B Benson M Pfau P Soni A Walker A Gopal D . Laparoscopic-assisted ERCP and EUS in patients with prior Roux-en-Y gastric bypass surgery: a dual-center case series experience. Surg Endosc. 2016 Oct;30(10):4647-52
[PubMed ID: 26823057]
Akhter A Pfau PR Gopal DV . Rectal Indomethacin to Prevent Post-ERCP Pancreatitis. Gastroenterology. 2016 Sep;151(3):568-9
[PubMed ID: 27487169]
Wani S Hall M Keswani RN Aslanian HR Casey B Burbridge R Chak A Chen AM Cote G Edmundowicz SA Faulx AL Hollander TG Lee LS Mullady D Murad F Muthusamy VR Pfau PR Scheiman JM Tokar J Wagh MS Watson R Early D . Variation in Aptitude of Trainees in Endoscopic Ultrasonography, Based on Cumulative Sum Analysis. Clin Gastroenterol Hepatol. 2015 Jul;13(7):1318-1325.e2
[PubMed ID: 25460557]
Nelsen EM Johnson EA Walker AJ Pfau P Gopal DV . Endoscopic ultrasound-guided pancreatic pseudocyst cystogastrostomy using a novel self-expandable metal stent with antimigration system: A case series. Endosc Ultrasound. 2015 Jul-Sep;4(3):229-34
[PubMed ID: 26374582]
Stevens SM Johnson EA Pfau PR Dailey SH . Visual evaluation of the larynx and hypopharynx during esophagogastroduodenoscopy: a safety and feasibility study. Surg Endosc. 2015 May;29(5):1209-15
[PubMed ID: 25303903]
Benson M Lucey M Pfau P . Caecal intubation rates and colonoscopy competency. Gut. 2015 Feb;64(2):359
[PubMed ID: 24717933]
Benson M Pfau P . Response to Yarze. Am J Gastroenterol. 2015 Jan;110(1):195-6
[PubMed ID: 25567177]
Bowman EA Pfau PR Mitra A Reichelderfer M Gopal DV Hall BS Benson ME . High Definition Colonoscopy Combined with i-SCAN Imaging Technology Is Superior in the Detection of Adenomas and Advanced Lesions Compared to High Definition Colonoscopy Alone. Diagn Ther Endosc. 2015;2015:167406
[PubMed ID: 26167108]
Johnson EA Benson ME Guda N Pfau PR Frick TJ Gopal DV . Differentiating primary pancreatic lymphoma from adenocarcinoma using endoscopic ultrasound characteristics and flow cytometry: A case-control study. Endosc Ultrasound. 2014 Oct;3(4):221-5
[PubMed ID: 25485269]
Benson M Lucey M Pfau P . Training the competent colonoscopist. Gastroenterology. 2014 Sep;147(3):708-9
[PubMed ID: 25058019]
Benson M Grimes I Gopal D Reichelderfer M Soni A Benson H Austin K Pfau P . Influence of previous night call and sleep deprivation on screening colonoscopy quality. Am J Gastroenterol. 2014 Aug;109(8):1133-7
[PubMed ID: 24980883]
Weiss JM Smith MA Pickhardt PJ Kraft SA Flood GE Kim DH Strutz E Pfau PR . Predictors of colorectal cancer screening variation among primary-care providers and clinics. Am J Gastroenterol. 2013 Jul;108(7):1159-67
[PubMed ID: 23670114]
Grimes IC Spier BJ Swize LR Lindstrom MJ Pfau PR . Predictors of recurrent ingestion of gastrointestinal foreign bodies. Can J Gastroenterol. 2013 Jan;27(1):e1-4
[PubMed ID: 23378983]