CharlesMcMahonMD

Gastroenterology • Kansas City, MO

Gastroenterologist/Mid-America Gastro-Intestinal Consultants Assistant Clinical Professor of Medicine - UMKC

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Office
4321 Washington St
Ste 5600
Kansas City, MO 64111
Phone+1 816-561-2000

Summary

Charles McMahon, MD, is a gastroenterologist located in Kansas City, MO. He completed his residency in Internal Medicine at the University of Colorado and a fellowship in Gastroenterology at the University of Missouri-Kansas City School of Medicine. He earned his medical degree from the University of Oklahoma College of Medicine and holds a Bachelor of Arts in History with a Chemistry minor from the University of Oklahoma, where he graduated Summa Cum Laude and was inducted into Phi Beta Kappa. He served as an Assistant Professor of Medicine at Loyola University Medical Center from 2018 to 2021. Dr. McMahon has contributed to several publications, including articles in JAMA, Cureus, Endoscopy International Open, Annals of Emergency Medicine, and the Journal of Laboratory and Precision Medicine.

Education & Training

University of Missouri-Kansas City School of MedicineFellowship, Gastroenterology, 2015 - 2018
University of ColoradoResidency, Internal Medicine, 2012 - 2015
University of Oklahoma College of MedicineClass of 2012
University of OklahomaBachelor of Arts, History, Chemistry minor, Summa Cum Laude, Phi Beta Kappa, 2004 - 2008

Certifications & Licensure

MO State Medical License 2015 - 2026
KS State Medical License 2021 - 2025
IL State Medical License 2018 - 2023
CO State Medical License 2012 - 2015
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Gastroenterology

Publications & Presentations

PubMed

Toward Understanding.
Charles McMahon
JAMA. 2024-09-12
It Is Not Always Diverticular Bleeding: Fatal Subtle Primary Aorto-Duodenal Fistula Associated With Abdominal Aortic Aneurysm.
Fouad Jaber, Saqr Alsakarneh, Kimberly Sanders, Ali Ibrahim, Hassan Ghoz
Cureus. 2023-01-01
3 citations
Utility and safety of balloon-assisted enteroscopy in patients with left ventricular assist devices: a retrospective multicenter study
Badar Hasan, Charles W. McMahon, Rumman Khalid, Yasar Colak, Daniel C. Mayorga
Endoscopy International Open. 2020-07-21

Journal Articles

The Role of Fecal Calprotectin in Investigating Digestive Disorders
McMahon C, Chhabra R, Journal of Laboratory and Precision Medicine, 3/2018
The Meeting
McMahon C, Journal of the American Medical Association, 2017
Breakthrough
McMahon C, JAMA Oncology, 2/2016

Abstracts/Posters

Higher Daily Pollen Counts Correlate with an Increased Rate of Esopahgeal Food Bolus Impactions
McMahon C, et al., American College of Gastroenterology, 2018
The Safety and Utility of Double Balloon Enteroscopy in the Evlauation and Treatment of Gastroinestinal Bleeding in Patients with Left Ventricular Assist Devices: A Re...
Hasan B, McMahon C, et al., American College of Gastroenterology, 2018
Gastric Volvulus Caused by Gastric Tube Migration
Zafar Y, McMahon C, et al., American College of Gastroenterology, 2018
A Retrospective Review of Esophageal Food Impcations in a Multi-Center Health Care System: Etiology, Adherence to Published Guidelines, and Complications
McMahon C, et al., Digestive Disease Week, 2018
An Unexpected Cause of Iron Deficiency Anemia: Synchronous Development and Diagnosis of a Rare Gastric Collision Tumor
McMahon C, et al., American College of Gastroenterology, 2017
An Uncommon Presentation of a Known Gastrostomy Complication: Buried Bumper Syndrome with a Replacement Low Profile Button Type Gastrostomy Tube.
Faisal MF, McMahon C, American College of Gastroenterology, 2017
An Unusual Cause for Upper Gastrointestinal Bleeding: Double Pylorus from a Penetrating Ulcer with a Non-bleeding Visible Vessel
McMahon C, et al., American College of Gastroenterology, 2016
Progression of a Marginal Gastric Ulcer in a Gastric Bypass Patient on Bisphosphonate Therapy
McMahon C, et al., American College of Gastroenterology, 2016
A Case of CMV Pancolitis Occurring in an Immune Competent Patient with Ulcerative Colitis
McMahon C, et al, Crohn's and Colitis Foundation Annual Meeting, 2013
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