Best gastroenterologists in Bremen: TOP 2 doctors

Compare the best Gastroenterology doctors and prices in Germany. Find your best match here.

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Medically reviewed by Fahad Mawlood

Medical Editor & Data Scientist

Top doctors

Germany

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Rainer Porschen

Location: Germany, Bremen
Clinic:Bremen-Ost Clinic
Ranked among Germany's TOP 100 gastroenterologists by Focus magazine – Prof. Porschen specializes in gastrointestinal tract tumors.
- Director of Internal Medicine at Bremen-Ost Clinic since 2000
- Develops German guidelines for esophageal cancer treatment
- Recipient of the Merit Award for metastatic colorectal carcinoma research
- Trained at MD Anderson Cancer Institute
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Price on request

Martin Claßen

44 years of experience
accreditation:
Location: Germany, Bremen
Clinic:Links der Weser Clinic
Ranked among Germany's top gastroenterologists by Focus magazine, Dr. Claßen specializes in pediatric gastric conditions at Links der Weser Clinic.
- Head of Pediatric Gastroenterology, Hepatology and Nutrition with 44 years of experience of experience
- Expert in inflammatory bowel disease and functional disorders in children
- Trained at University Hospital Frankfurt for pediatric gastroenterology
- Member of European Society for Paediatric Gastroenterology
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Doctor's visit

Price on request

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Choosing the Right Doctor and Clinic: Insider Tips

When selecting a doctor or clinic, keep these key points in mind:

Check credentials

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Review success rates

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Bookimed Insights: Top Gastroenterology Specialists in Germany (2026)

Bookimed has coordinated 48710 requests for Gastroenterology in Germany, collaborating with 2 top-rated specialists. The doctors in this table are selected based on their international credentials, clinical expertise, and patient outcomes. The 2026 ranking is formed using verified data from actual patient cases and current programs from our partner clinics.

Rank	Doctor	experience	Good Fit For	What Sets Them Apart	Clinic & Location	Consultation
#1	Rainer Porschen		GI tract tumors	Develops national treatment guidelines for esophageal cancer. Award-winning researcher with training at MD Anderson Cancer Institute.	Bremen-Ost Clinic Germany	Price on request
#2	Martin Claßen	44 years of experience	Pediatric digestive disorders	Focuses exclusively on children's digestive health – leads one of Germany's top pediatric gastroenterology departments. Recognized by Focus magazine as a top specialist.	Links der Weser Clinic Germany	Price on request