Specialist Centers
& Clinics

The Internistische Praxis für Gastroenterologie & Hepatologie of André Grosse and Dr. med. Frederik Grosse in Potsdam offers upper and lower endoscopy, small-bowel capsule endoscopy, abdominal ultrasound, and colorectal cancer and AAA screening. The practice is a certified specialty practice for capsule endoscopy, hepatology, and inflammatory bowel disease (Crohn's disease, ulcerative colitis), and also treats autoimmune hepatitis, PBC, and fatty liver disease.

The GastroPraxis Zürich, led by Prof. Dr. med. Thomas Hinterleitner, specialist in gastroenterology and internal medicine FMH, offers upper and lower endoscopy with polypectomy, biopsy and hemorrhoid treatment, endoscopic ultrasound (EUS), ultrasound-guided liver biopsy, breath testing, and 24-hour esophageal pH monitoring. ERCP is performed in cooperation with Spital Zollikerberg.

The Leberzentrum München, with Prof. Dr. med. Christina Jung, Dr. med. Gottfried Fischer and Prof. Dr. med. Reinhart Zachoval, offers laboratory diagnostics and liver-specific technical work-up including ultrasound elastography, duplex sonography, and ARFI imaging to assess liver fibrosis. The practice supports patients through liver transplant evaluation and follow-up care; endoscopic procedures are performed through partner institutions.

The Zentrum Gastroenterologie/Hepatologie Krefeld (Praxis Dres. Rainer and Jutta Ullrich) offers colonoscopy with AI-assisted polyp detection, gastroscopy, functional diagnostics (breath tests for intolerances and bacterial overgrowth), and ultrasound of the gastrointestinal tract, gallbladder, liver, and pancreas.

The MVZ Portal 10 – Zentrum für Leber-, Magen- und Darmerkrankungen in Münster (an academic teaching practice of the University of Münster) employs a twelve-physician team, including Prof. Dr. Andreas Lügering and Prof. Dr. Rudolf Mennigen. Services include upper and lower endoscopy, ERCP, endoscopic ultrasound (EUS), capsule endoscopy, and FibroScan liver elastography. Focus areas include hepatology, inflammatory bowel disease, proctology, and nutritional medicine.

The Gastroenterologische und Proktologische Praxis of Dr. med. Marcus Mundlos and Dr. med. Markus Frenz in Verden offers upper and lower endoscopy, capsule endoscopy, colorectal cancer screening, polypectomy and hemostasis, proctoscopy and hemorrhoid treatment, and abdominal ultrasound including Doppler and contrast-enhanced ultrasound. The practice treats inflammatory bowel disease (Crohn's disease, ulcerative colitis) including biologic therapy.

The Prinzregentenpraxis Rosenheim, an internal medicine group practice with Dr. med. Tomas Beyer, Dr. Reto Hochuli and Dr. Klaus Wolfrum specializing in gastroenterology/hepatology, treats liver disease and inflammatory bowel disease. The practice grew out of Dr. Beyer's former solo practice on Reifenstuelstraße and relocated to Prinzregentenstraße.

Department of Gastroenterology and Hepatology (MDL) at UMC Utrecht, Netherlands, led by Prof. Dr. Frank Vleggaar. Services: gastroscopy, colonoscopy, sigmoidoscopy, ERCP, endoscopic ultrasound (EUS), FibroScan, liver biopsy, and treatment of GI/pancreatic cancer, IBD and liver disease.

Gastroenterology & Liver Center at LUMC (Leiden University Medical Center), Netherlands, with Prof. Dr. B. van Hoek and Prof. Dr. J.E. van Hooft. Services: gastroscopy, colonoscopy, sigmoidoscopy, capsule endoscopy, double-balloon enteroscopy, EUS, ERCP, liver transplantation, IBD treatment and endoscopic tumor resection.

Outpatient endoscopy and therapy center in Schwalmstadt led by Dr. med. Norbert Hesselbarth, specialist in internal medicine with focus on gastroenterology, proctology and hepatology. Services: gastroscopy, colonoscopy, ERCP, endoscopic ultrasound (EUS), capsule and double-balloon endoscopy, ultrasound and tumor treatment/chemotherapy.

The MDL Center (Gastroenterology, Digestive and Liver Diseases) at Franciscus Gasthuis & Vlietland in Rotterdam specializes in disorders of the stomach, intestines and liver, with specialists including Dr. F. Dirksmeier-Harinck, Dr. V.E. Valkhoff and Dr. N.J. Schepers.

The Department of Gastroenterology, Hepatology, Interventional Endoscopy and Diabetology at Städtisches Klinikum Braunschweig, led by Chief Physician Prof. Dr. Henrike Lenzen, specializes in diseases of the stomach, intestine, liver and bile ducts, performing about 6,000 endoscopies annually, including gastroscopy, colonoscopy, ERCP, endoscopic ultrasound and capsule endoscopy.

Endokrinologikum Hannover is a center for hormonal and metabolic diseases focusing on gynecological and pediatric endocrinology, lipidology, obesity and bone disease. It has no gastroenterology department.

VIARIVA Gastroenterologie Bern is a gastroenterology group practice at Mingerstrasse 12 in Bern. The team around Dr. med. Johannes Maubach (practice owner) and PD Dr. med. Christoph Weber (partner), both specialists in gastroenterology and internal medicine FMH, and Dr. med. Simone Srivastava (specialist in gastroenterology) cares for people with digestive disorders. Services include gastroscopy and colonoscopy, endoscopic reflux therapy, endoscopic stomach reduction (Endosleeve) and endosonographic screening for pancreatic cancer. The practice names the use of artificial intelligence in colonoscopy as an innovation. Referring physicians can register patients via a referral form. Please check in advance whether new patients can be accepted.

Large group practice for internal medicine and gastroenterology at the Praxis Medicum location in Wiesbaden, Germany, with a team of 16 specialists for diagnosis and treatment of gastrointestinal and liver conditions.

MVZ Gastroenterologie Freiburg GbR is led by PD Dr. med. Tilman Bauer, Dr. med. Gabriele Dörflinger, Dr. med. Sabine Baermann, Dr. med. Felix Freyburger, Dr. med. Tanja Woltering (pediatric gastroenterologist and hepatologist), and Dr. med. Carola Bauer-Scheid. Focus areas include gastroenterology, pediatric gastroenterology, and hepatology.

Gastroenterology and hepatology specialist practice in Andernach with Dr. Franz Josef Heil, Dr. Jan Robert Müller and Dr. Sebastian Voigt. Focus on inflammatory bowel disease (IBD) and liver disease (hepatitis A/B/C, cirrhosis, fatty liver, autoimmune hepatitis).

Specialist gastroenterology practice in Schwetzingen with Prof. Dr. med. Birgit Kallinowski (also board-certified in hematology/oncology) and Prof. Dr. med. Alexandra Zahn, both specialists in gastroenterology. Strong hepatology focus: hepatitis A–E, liver cirrhosis, post-liver-transplant follow-up.

Department of Internal Medicine at Bezirkskrankenhaus Schwaz (Austria), led by Univ.-Doz. Prim. Dr. Hannes Gänzer. Focus areas: angiology, hematology/oncology, endocrinology/metabolism. Gastroscopy and colonoscopy are used as diagnostic tools within internal medicine; no dedicated gastroenterology/hepatology department, no ERCP/EUS.

Medical Department II at Sana Klinikum Remscheid, led by Chefarzt Dr. Andreas Leodolter, treats disorders of the gastrointestinal tract, liver and pancreas as well as metabolic and infectious diseases. Services include diagnostic and therapeutic endoscopy, ultrasound, and functional diagnostics for gastroenterology and hepatology.

Medical Clinic and Polyclinic II at LMU Klinikum Großhadern, led by Prof. Dr. Julia Mayerle. Focus areas: endoscopy and interventions, sonography, GI functional diagnostics, dysphagia clinic, hepatology, pancreatic disease and GI malignancies (Visceral Oncology Center, CCC Munich LMU).

Outpatient MVZ Gastroenterologie at St. Elisabeth-Krankenhaus Köln-Hohenlind, led by Dr. med. Christian Weber, specialist in internal medicine/gastroenterology with additional qualifications in nutritional medicine and travel/tropical medicine. Services: gastroscopy/colonoscopy incl. therapeutic endoscopy, endoscopic ultrasound (EUS), ERCP, contrast-enhanced abdominal ultrasound, liver biopsy. Hours: Tue 9am–12pm, Thu 2pm–4pm.

The Department of Gastroenterology, Hepatology and Interventional Endoscopy at Klinikum Traunstein (Kliniken Südostbayern) is headed by Chief Physician Dr. med. Björn Lewerenz. Diagnostics and therapy for disorders of the gastrointestinal tract, liver, bile ducts and pancreas with state-of-the-art endoscopy equipment (4 procedure rooms) and sonography.

Department of Gastroenterology, GI Oncology, Hepatology and Infectious Diseases at Klinikum Stuttgart Katharinenhospital, led by Prof. Dr. Jörg Albert. Services: gastroscopy/colonoscopy, ERCP, endoscopic ultrasound (EUS), DEGUM-certified ultrasound, endoscopic mucosal resection, PDT, POEM, cholangio-/pancreatoscopy, chemo/immunotherapy for GI tumors, liver disease (cirrhosis, hepatitis), biliary/pancreatic disease, nutritional medicine.

Department of Internal Medicine – Gastroenterology at AGAPLESION Elisabethenstift Darmstadt, led by Prof. Dr. Carl C. Schimanski (Clinic Director) and Dr. Oana-Claudia Danciu. Approx. 10,000 procedures/year, of which ~4,500 invasive. Services: gastroscopy/colonoscopy, sigmoidoscopy, ERCP, EUS with FNA, capsule endoscopy, EMR/ESD/FTRD polypectomy, ultrasound with elastography, liver biopsy, variceal/bleeding treatment, stenting, IBD management.

The Medical Department at Helios Klinik Duisburg-Homberg (St. Johannes-Stift), led by Dr. Kirsten Huhn, covers a broad range of internal medicine with a focus on gastroenterology.

Department of Gastroenterology, Diabetology and General Internal Medicine at Klinikum Kassel, led by Dr. med. Dorothee Dorlars. Focus areas: gastroenterological, hepatological and pancreatic disease, diabetology/hormonal disorders, infectious disease and nutritional medicine.

Department of Gastroenterology, Hepatology and Endoscopy at Helios St. Johannes Klinik Duisburg, led by Dr. med. Barbara Strey. Certified colorectal cancer center. Services: flexible video endoscopy, biopsy, endoscopic ultrasound (EUS), TIPS procedure; treatment of esophageal, gastric, intestinal, liver, pancreatic and biliary disease as well as IBD.

The Department of Internal Medicine II (Gastroenterology and Hepatology) at Sana Kliniken Duisburg (Wedau Kliniken), led by Dr. med. Wolfgang Nitz, focuses on prevention, diagnosis and treatment of digestive-organ diseases, offering gastroscopy and colonoscopy, including outpatient screening colonoscopy with online booking.

The Department of Internal Medicine and Gastroenterology at St. Franziskus-Hospital Cologne (Cellitinnen), led by Chief Physician PD Dr. Oliver Al-Taie, provides modern endoscopic diagnostics and treatment of the GI tract, including gastroscopy, colonoscopy and ultrasound, and is a certified colorectal cancer center of the German Cancer Society.

The Department of Internal Medicine, Gastroenterology at Johanna Etienne Krankenhaus Neuss, led by Prof. Dr. med. Jens Encke, offers diagnosis, treatment and prevention of abdominal-organ diseases using endoscopy and ultrasound, focusing on the gastrointestinal tract, pancreas, liver and bile ducts, including ERCP, endosonography with fine-needle aspiration and capsule endoscopy.

Clarunis is the University Center for Gastrointestinal and Liver Diseases in Basel (Claraspital), led by Prof. Dr. Stefan Kahl, offering general gastroenterology care and treatment of abdominal organ diseases.

The practice for gastroenterology and endocrinology of Dr. med. Klaus Schötta at Ortenau MVZ Offenburg offers diagnostics for gastrointestinal diseases, including colonoscopy and gastroscopy as well as C13 Helicobacter breath testing, and a dedicated consultation for inflammatory bowel disease.

The Department of Internal Medicine I at Universitätsklinikum Tübingen, led by Medical Director Prof. Dr. med. Nisar Peter Malek, treats diseases of the gastrointestinal tract, liver, pancreas and infectious diseases, with certified cancer centers, a strong research focus, and a full endoscopic spectrum including ERCP, endosonography, capsule endoscopy and FibroScan.

The Department of Internal Medicine I (Gastroenterology and Hepatology) at Eichsfeld Klinikum, Heilbad Heiligenstadt site, led by Chief Physician Dr. med. Lars Reinhardt, specializes in digestive tract and liver diseases using minimally invasive endoscopic techniques, including gastroscopy, colonoscopy with polypectomy and ERCP, as well as follow-up care for liver transplant patients.

The Department of Gastroenterology, Hepatology, Diabetology and Hematology-Oncology at Klinikum Ingolstadt, led by Director Prof. Dr. med. Josef Menzel, offers a broad diagnostic and therapeutic spectrum including gastroscopy, colonoscopy, ERCP, endosonography with fine-needle aspiration and capsule endoscopy.

The Department of Gastroenterology at St. Franziskus-Hospital Lohne, led by Dr. med. Andreas Baron, provides comprehensive endoscopic diagnostics and therapy including gastroscopy, colonoscopy, ERCP and ultrasound, plus functional diagnostics.

The Medical Clinic I at Universitätsklinikum Schleswig-Holstein, Lübeck Campus, led by Director Prof. Dr. Jens Marquardt, treats a broad spectrum of internal medicine conditions with focus areas in gastroenterology, hepatology, endocrinology/diabetology and nephrology/transplantation.

The Department of Gastroenterology and Hepatology at ViDia Kliniken Karlsruhe, led by Director Prof. Dr. Zöpf, covers the full spectrum of GI diagnostics and treatment including endoscopy and ultrasound at its "Center for Endoscopy and Sonography" (ZEuS), with an oncology focus.

The Medizinische Klinik II at Klinikum Osnabrück, led by Chief Physician Prof. Dr. med. Kerstin Schütte, performs around 8,000 endoscopic procedures and 3,500 ultrasound examinations annually with 48 beds and 23 physicians, focusing on gastroenterology, hepatology and pancreatic disease, including gastroscopy, colonoscopy, ERCP and endosonography.

The Leberzentrum Konstanz at Klinikum Konstanz, led by Chief Physician Univ.-Prof. Dr. med. Marcus Schuchmann, offers diagnosis and treatment of diseases of the esophagus, stomach, intestine, bile ducts, liver and pancreas, supported by a well-equipped endoscopy unit and nutrition counseling.

The endokrinologikum Hamburg, medically led by Hon.-Prof. Dr. Martin Merkel, specializes in endocrinology, diabetology and osteology, with additional areas in pediatric and gynecological endocrinology and human genetics. It does not have a gastroenterology or hepatology focus.

Viollier AG, headquartered in Allschwil, is an independent Swiss family-owned company for medical laboratory diagnostics (since 1953), with no outside investor capital. Its service range includes clinical laboratory diagnostics, pathology/cytology, and cardiology/pulmonology monitoring, operating a central lab system delivering results for over 1,000 analyses within about 90 minutes, 24/7.

The Department of Gastroenterology, GI Oncology and Endocrinology at Universitätsmedizin Göttingen, led by Prof. Dr. Volker Ellenrieder, offers the full spectrum of gastroenterology and interventional endoscopy, including gastroscopy, colonoscopy, ERCP, endoscopic ultrasound, capsule endoscopy, sonography and FibroScan, with a focus on gastrointestinal tumors.

The Department of Gastroenterology, Hepatology and Diabetology at Klinikum Oldenburg, led by Univ.-Prof. Dr. Mark Ellrichmann, treats gastrointestinal, liver, kidney and hypertension disorders.