Prof. Nitsan Maharshak is a highly experienced and respected gastroenterologist in Israel, known for clinical excellence and groundbreaking research in gastrointestinal diseases. Based at Sourasky Medical Center (Ichilov), one of Tel Aviv’s leading hospitals, he has helped countless patients with complex digestive disorders.
Full Name: Prof. Nitsan Maharshak, MD
Years of Experience: Over 20 years
Main Specialty: Gastroenterology, with a focus on inflammatory bowel diseases (IBD)
Educational Background
Prof. Maharshak has received top-tier medical training both in Israel and the United States. His academic background is a strong foundation for his expertise in treating gastrointestinal diseases.
Medical School: Tel Aviv University, Israel
Residency: Internal Medicine at Tel Aviv Medical Center
Fellowship: Gastroenterology at Tel Aviv Medical Center
International Education: Postdoctoral research at University of North Carolina, Chapel Hill, USA
Certifications: Board-certified in Internal Medicine (2006) and Gastroenterology (2010)
Professional Experience
With decades of experience, Prof. Maharshak holds several leadership roles and has contributed significantly to clinical advancements in gastroenterology.
Current Hospital: Sourasky Medical Center (Ichilov), Tel Aviv
Senior Physician: Institute of Gastrointestinal and Liver Diseases (since 2013)
Director: Bacteriotherapies Clinic (since 2014)
Head: Inflammatory Bowel Disease Department (since 2017)
Deputy Chief: Department of Gastroenterology and Liver Diseases (since 2016)
Military Experience: Served as a physician in the Israel Defense Forces (1998–2002)
Academic Contributions
Prof. Maharshak is actively involved in teaching and research, with a focus on microbiome science and chronic gastrointestinal conditions.
Teaching: Senior Lecturer at Tel Aviv University
Research Areas: Microbiome, IBD, and bacterial proteases
Publications: Over 80 scientific papers in peer-reviewed journals
Conferences: Speaker and presenter at more than 60 medical conferences globally
Areas of Expertise
Prof. Maharshak specializes in treating complex gastrointestinal conditions, with a patient-centered approach and expertise in modern therapies.
Inflammatory Bowel Diseases: Crohn’s disease and ulcerative colitis
Digestive Health: Chronic abdominal pain, diarrhea, and IBS
Fecal Microbiota Transplantation: Bacteriotherapy to restore healthy gut flora
Gut Microbiome: Research and treatments focused on microbial balance
Publications and Research
His work in medical research has had a global impact, particularly in the areas of gut health and microbiome-related therapies.
IBS and Gut Microbiota: Explored the link between mucosal bacteria and IBS symptoms
Bacterial Proteases and IBD: Investigated how gut bacteria affect intestinal barrier function
Herbal Treatments for UC: Studied the use of Curcumin-QingDai combination in managing ulcerative colitis
Patient Care Philosophy
Prof. Maharshak prioritizes empathy, education, and personalized treatment plans, ensuring each patient receives the best care possible.
Communication: Believes in honest, clear communication with patients
Education: Educates patients about their condition to promote better outcomes
International Care: Offers services to patients from abroad, including online consultations
Patient Satisfaction: Focused on individualized care and patient well-being
Professional Affiliations
He is a member of leading national and international medical organizations, reflecting his status as a trusted authority in gastroenterology.
Israel Medical Association
Israel Association of Gastroenterology and Liver Diseases
American Gastroenterological Association
European Crohn’s and Colitis Organization (ECCO)
FAQs
Is Dr. Maharshak Nitzan board-certified?
Yes, he is board-certified in both Internal Medicine and Gastroenterology in Israel.
What types of surgeries does he perform?
He focuses primarily on non-surgical treatments but collaborates with surgical teams when necessary for gastrointestinal procedures.
Does he treat international patients?
Yes, he regularly treats patients from abroad and offers online pre-consultations.
How long is the typical hospital stay?
Hospital stays vary based on the procedure, but many treatments are outpatient or require short-term observation.
What languages does he speak?
Prof. Maharshak speaks Hebrew and English fluently, which helps in treating local and international patients.
Can I book a consultation online?
Yes, online consultations are available, especially for international patients seeking expert advice before traveling.
What conditions does he specialize in?
He specializes in Crohn’s disease, ulcerative colitis, chronic diarrhea, IBS, and microbiome-based treatments.
Specialist in internal medicine and gastroenterology, director of the inflammatory bowel disease department, Institute of Gastrointestinal and Liver Diseases (Gastro) Conducts treatment and research with fecal bacteria
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