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<!DOCTYPE html><html lang="en"><head><script async src="https://www.googletagmanager.com/gtag/js?id=G-0ZN7RYVK6L"></script><script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-0ZN7RYVK6L');</script> <meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"><title>Peninsula Gastroenterology Medical Group, Gastroenterologists</title> <meta name="keywords" content=""> <meta name="description" content=""> <meta name="Author" content="Medical Management Associates, Inc."> <meta name="robots" content="ALL"> <meta name="revisit-after" content="7 days"> <link href="styles-pgmg2019.css?v=03232023" rel="stylesheet" type="text/css"> <link rel="stylesheet" type="text/css" href="print-pgmg2019.css" media="print"> <link rel="canonical" href="http://www.gipractice.com/.php"><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="-1"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" /> <link rel="apple-touch-icon" sizes="57x57" href="/apple-touch-icon-57x57.png" /> <link rel="apple-touch-icon" sizes="60x60" href="/apple-touch-icon-60x60.png" /> <link rel="apple-touch-icon" sizes="72x72" href="/apple-touch-icon-72x72.png" /> <link rel="apple-touch-icon" sizes="76x76" href="/apple-touch-icon-76x76.png" /> <link rel="apple-touch-icon" sizes="114x114" href="/apple-touch-icon-114x114.png" /> <link rel="apple-touch-icon" sizes="120x120" href="/apple-touch-icon-120x120.png" /> <link rel="apple-touch-icon" sizes="144x144" href="/apple-touch-icon-144x144.png" /> <link rel="apple-touch-icon" sizes="152x152" href="/apple-touch-icon-152x152.png" /> <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon-180x180.png" /> <link rel="icon" type="image/png" href="/favicon-16x16.png" sizes="16x16" /> <link rel="icon" type="image/png" href="/favicon-32x32.png" sizes="32x32" /> <link rel="icon" type="image/png" href="/favicon-96x96.png" sizes="96x96" /> <link rel="icon" type="image/png" href="/android-chrome-192x192.png" sizes="192x192" /> <meta name="msapplication-square70x70logo" content="/smalltile.png" /> <meta name="msapplication-square150x150logo" content="/mediumtile.png" /> <meta name="msapplication-wide310x150logo" content="/widetile.png" /> <meta name="msapplication-square310x310logo" content="/largetile.png" /><link rel="schema.DC" href="http://purl.org/dc/elements/1.1/" /><meta name="DC.title" content="Peninsula Gastroenterology Medical Group, Gastroenterologists" /><meta name="DC.identifier" content="http://www.gipractice.com/.php" /><meta name="DC.description" content="" /><meta name="DC.subject" content="" /><meta name="DC.language" scheme="ISO639-1" content="en" /><meta name="DC.creator" content="http://www.gipractice.com/.php" /><meta name="DC.contributor" content="http://www.gipractice.com/.php" /><meta name="DC.publisher" content="http://www.gipractice.com/.php" /> <meta name="DCTERMS.created" scheme="ISO8601" content="2019-15-04" />  <meta property="og:url" content="http://www.gipractice.com/.php" /> <meta property="og:type" content="article" /> <meta property="og:title" content="Peninsula Gastroenterology Medical Group, Gastroenterologists" /> <meta property="og:description" content="" /> <meta property="og:site_name" content="Peninsula Gastroenterology Medical Group, Gastroenterologists" /> <meta property="og:image" content="https://www.gipractice.com/images/web-preview.jpg" /> <meta property="og:image:width" content="1200" /><meta property="og:image:height" content="630" />  <link href='https://fonts.googleapis.com/css?family=Roboto+Slab:400,700' rel='stylesheet' type='text/css'> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">  <script type="text/javascript">var gaJsHost = (("https:" == document.location.protocol) ? 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Nguyen, PA-C</a></li> </ul> </li> <li class="sub" id="nav-services"><a href="endoscopic-procedures.php" title="Medical Services and Endoscopic Procedures performed by Peninsula Gastroenterology Medical Group, Gastroenterologists" class="[VAR_NAV_SERVICES_BUTTON]">GI Services</a><span class="droptoggle"><i class="fa fa-chevron-down dropicon"></i></span> <ul class="dropdown mobile"> <li><a href="patient-education.php">Conditions We Treat</a></li> <li><a href="colonoscopy.php">Colonoscopy</a></li> <li><a href="hemorrhoid-banding-procedure.php">Hemorrhoid Banding</a></li> <li><a href="Upper-Endoscopy.php">Upper Endoscopy</a></li> </ul> </li> <li class="sub" id="nav-preps"><a href="procedure-prep.php" title="Procedure Prep instructions provided by Peninsula Gastroenterology Medical Group, Gastroenterologists" class="[VAR_NAV_PREP_BUTTON]">Preps</a><span class="droptoggle"><i class="fa fa-chevron-down dropicon"></i></span> <ul class="dropdown mobile"> <li><a href="procedure-prep.php" title="Procedure Prep instructions provided by Peninsula Gastroenterology Medical Group, Gastroenterologists" >Printable Preps</a></li> <li><a href="flexible-sigmoldoscopy.php">Flexible Sigmoldoscopy</a></li> <li><a href="ERCP.php">ERCP</a></li> <li><a href="AMBULATORY-48-HOUR.php">Ambulatory 48 Hour pH Test</a></li> <li><a href="pill-cam.php">Small Bowel Capsule Endoscopy</a></li> <li><a href="upper-endo-ultra-fine-needle-asp.php">Upper Endoscopic Ultrasound</a></li> <li><a href="low-endo-ultra-fine-need-asp.php">Lower Endoscopic Ultrasound</a></li> <li><a href="halo-radio-abl.php">HALO<sup>360</sup> BARRX Radiofrequency Ablation</a></li> </ul> </li> <li><a href="office-atherton.php" title="Atherton Endoscopy Center" class="[VAR_NAV_ENDO_CENTER_BUTTON]">Endoscopy Center</a></li> <li class="sub" id="nav-patient-center"><a href="patient-center.php" title="Forms, Insurance, Office Policies" class="[VAR_NAV_PATIENT_CENTER_BUTTON]">Your Visit</a><span class="droptoggle"><i class="fa 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View Office</a></li> <li><a href="office-atherton.php">Atherton Endoscopy Center</a></li> <li><a href="office-El-Camino-Hospital.php">El Camino Hospital</a></li> <li><a href="location-sequoia.php">Sequoia Hospital</a></li> </ul> </li> <li class="sub" id="nav-contact"><a href="contact-us.php" title="Contact Peninsula Gastroenterology Medical Group, Gastroenterologists" class="[VAR_NAV_CONTACT_BUTTON]">Contact Us</a><span class="droptoggle"><i class="fa fa-chevron-down dropicon"></i></span> <ul class="dropdown mobile"> <li><a href="patient-portal.php" class="portal-signup" >Patient Portal</a></li>  <li><a href="referring-physicians.php">Referring Physicians</a></li> </ul> </li>  <li class="mobile-only"><a href="patient-portal.php" class="portal-signup" ><i class="fa fa-lock"></i> Patient Portal</a></li> <li class="mobile-only"><a href="https://surveys.reputation.com/surveys3/run?tenantKey=bc966ab61bf&templateId=5d717e3340f64637fd4adfe8&locale=en_US" target="_blank" ><i class="fa 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Banner image for Peninsula Gastroenterology Medical Group, Gastroenterologists"> </div>  </div>  <div class="clearfix"></div> </div>  </div>  <div id="content-wrapper"> <div id="breadcrumbtree-wrapper">  </div> <div id="content-container"> <section id="main-content" class="left-col"> <div id="content"> <h1>Peninsula Gastroenterology Medical Group, Gastroenterologists</h1> <div class="clearfix"></div> </div>  <div class="clearfix"></div> </section>  <section id="right-col" class="screenonly"> <h2>Related Links</h2> <nav class="subnav"> </nav> </section> <div class="clearfix"></div> </div>  </div>  <div id="endoscopy-wrapper" class="screenonly"> <img src="images/atherton-endoscopy-center.jpg" alt="Atherton Endoscopy Center photo" class="img"> <div class="content-wrap"> <h1 class="center"><a href="office-atherton.php" title="Atherton Endoscopy Center">Atherton Endoscopy Center</a></h1> <div class="content"> <div class="float-right"> <a href="office-atherton.php" title=""><img src="images/atherton-endoscopy-reception.jpg" alt=""></a><br><a href="office-atherton.php" title="Atherton Endoscopy Center" class="button fullwidth"><i class="fa fa-map-marker"></i> Map & Directions</a> </div> <p>While you are a patient at Atherton Endoscopy Center, our highly competent and professional staff will care for you. Everyone from the receptionist to the physician embraces our philosophy of patient-focused care. Above all, our staff is friendly and concerned for your comfort.</p> <p><img src="images/accreditation.png" alt=""></p> </div> </div> </div>  <div id="office-location-wrapper" class="screenonly"> <ul> <li><img src="images/mountain-view-office-sobrato.jpg" alt="Mountain View Office photo"><span class="content"><span class="phone">650-964-3636</span><br><br><a href="office-mountain-view.php" title="Map and Directions to the Mountain View office of Peninsula Gastroenterology Medical Group, Gastroenterologists">2495 Hospital Drive<br>Suite 600<br>Mountain View, CA 94040</a></span></li> <li><img src="images/redwood-city-office.jpg" alt="Redwood City Office photo"><span class="content"><span class="phone">650-365-3700</span><br><br><a href="office-redwood.php" title="Map and Directions to the Redwood City office of Peninsula Gastroenterology Medical Group, Gastroenterologists">2900 Whipple Ave<br>Suite 245<br>Redwood City, CA 94062</a></span></li> </ul> </div> <div id="footer-wrapper"> <footer id="footer"> <h2>Peninsula Gastroenterology Medical Group</h2> <p> </p> <ul class="footer-menu"> <li><a href="index.php" title="Home page for Peninsula Gastroenterology Medical Group, Gastroenterologists">Home</a> |</li> <li><a href="gastroenterology-specialists.php" title="Meet the Gastroenterology Specialists of Peninsula Gastroenterology Medical Group, Gastroenterologists">Providers</a> |</li> <li><a href="endoscopic-procedures.php" title="Medical Services and Endoscopic Procedures performed by Peninsula Gastroenterology Medical Group, Gastroenterologists">GI Services</a> |</li> <li><a href="procedure-prep.php" title="Procedure Prep instructions provided by Peninsula Gastroenterology Medical Group, Gastroenterologists" >Preps</a> |</li> <li><a href="office-atherton.php" title="Atherton Endoscopy Center">Endoscopy Center</a> |</li> <li><a href="patient-center.php" title="Forms, Insurance, Procedure Prep">Your Visit</a> |</li> <li><a href="locations.php" title="Office locations, endoscopy center affliations and hospital affiliations of Peninsula Gastroenterology Medical Group, Gastroenterologists">Locations</a> |</li> <li><a href="contact-us.php" title="Contact the offices of Peninsula Gastroenterology Medical Group, Gastroenterologists">Contact Us</a></li> </ul> <ul class="footer-menu">  <li><a href="patient-portal.php" title="Secure Online Patient Portal for the patients of Peninsula Gastroenterology Medical Group, Gastroenterologists" ><i class="fa fa-lock"></i> Patient Portal</a> | </li> <li><a href="https://surveys.reputation.com/surveys3/run?tenantKey=bc966ab61bf&templateId=5d717e3340f64637fd4adfe8&locale=en_US" target="_blank" title="Satisfaction survey for the patients of Peninsula Gastroenterology Medical Group, Gastroenterologists"><i class="fa fa-check-square"></i> Patient Survey</a></li> </ul> <div class="clearfix"></div> </footer>  <div id="footer-bottom"> <ul class="footer-menu screenonly"> <li><a href="privacy.php" title="Privacy Policy for Peninsula Gastroenterology Medical Group, Gastroenterologists">Privacy</a> | </li> <li><a href="sitemap.php" title="Sitemap for the website of Peninsula Gastroenterology Medical Group, Gastroenterologists">Sitemap</a></li> </ul> <ul class="footer-menu2"> <li>© 2024, Peninsula Gastroenterology Medical Group, Gastroenterologists. | <a title="Medical website development, hosting, management, maintenance, and marketing" href="http://www.medicalpracticewebsitedesign.com" target="_blank">Medical Practice Website Design</a> by <a title="Healthcare consulting and medical management for physicians" href="http://www.medicalpracticewebsitedesign.com" target="_blank">Medical Management Associates</a>.</li> </ul> </div>  </div> </div> <script type="text/javascript" src="js/jquery-3.6.0.min.js" ></script><script src="js/jquery.cycle2.js"></script><script src="js/jquery.cycle2.carousel.min.js"></script><script type="text/javascript">jQuery(document).ready(function($) { var $slider = document.getElementById('nav-wrapper'); var $toggle = document.getElementById('mtoggle'); $toggle.addEventListener('click', function() { var isOpen = $slider.classList.contains('slideIn'); $slider.setAttribute('class', isOpen ? 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