1.0Division of Gastroenterology and Hepatology/medicine/giMorgan Duerden/medicine/gi/author/duerdenm/rich600338<blockquote class="wp-embedded-content" data-secret="PQX2ewnW6B"><a href="/medicine/gi/people/john-p-haydek-md-mscs/">John P. Haydek, MD, MSCS</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/medicine/gi/people/john-p-haydek-md-mscs/embed/#?secret=PQX2ewnW6B" width="600" height="338" title="“John P. Haydek, MD, MSCS” — Division of Gastroenterology and Hepatology" data-secret="PQX2ewnW6B" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> /medicine/gi/wp-content/uploads/sites/1267/2023/07/CU_John_Haydek-3_23-5-scaled.jpeg19202560Dr. Haydek is a gastroenterologist and clinical investigator specialized in the care of patients with inflammatory bowel diseases.  He is a member of University of North Carolina’s Multidisciplinary Inflammatory Bowel Disease Center, where he is also participates in clinical trials. His interests include the use of biomarkers and endoscopy for disease surveillance. In addition to … Read more