Gastroenterologist in Williamsburg

934 Manhattan Ave , Brooklyn, NY 11222

(718) 530-0387

Dr. Karl Thadeus Bednarek

Karl Thadeus Bednarek, MD

Internal Medicine, Gastroenterology

Dr. Karl Bednarek Dr. Karl Thadeus Bednarek is board-certified in internal medicine and gastroenterology. He has lived and attended school in the New York, New Jersey area since he was a child. Dr. Karl Thadeus Bednarek earned a bachelor of science in biology from St. Francis College in Brooklyn, NY. He then attended the Mount Sinai School of Medicine in New York, NY where he was awarded his medical degree.

After graduating from medical school, Dr. Karl Thadeus Bednarek completed an internship and residency at Beth Israel Medical Center in New York, NY. He completed his formal medical training with a fellowship in gastroenterology at Beth Israel Medical Center. Since 1985, he has been certified by the American Board of Internal Medicine. Since 1993, he has been certified by the American Board of Gastroenterology.

Throughout the years, Dr. Karl Thadeus Bednarek, has held leadership positions at various hospitals including appointments as section chief of gastroenterology and director of hospital medical services at the Hospital for Joint Disease, Orthopaedic Institute an affiliate of the New York University School of Medicine. He has also held academic appointments as an assistant professor of medicine at Albert Einstein College of Medicine, Icahn School of Medicine at Mount Sinai, and at Weill Cornell Medical College.

Dr. Karl Thadeus Bednarek is a member of the the American Society of Gastrointestinal Endoscopy, the American Gastroenterological Association, and the American College of Gastroenterology. Several professional journals have published Dr. Karl Thadeus Bednarek’s articles on liver disease, gastrointestinal disorders in the elderly, and cancer detection and prevention. He has been involved in teaching Gastroenterology at MSBI for over 25 years and has been involved in training over 75 GI fellows over the period of time. He has performed approximately 40,000 endoscopic procedures over a 25+ year career. His ADR (adenoma detection rate), a standard used to measure effectiveness in colon cancer screening is at 2 times the national average (as documented in a national data bank). He now concentrates at clinical gastroenterology and endoscopic procedures. Patient hours are split between Manhattan Medical in Greenpoint and his office at 232 East 12th St NY, NY 10003. You can contact him at 212.460.5622. Procedures are performed at:

­ Manahttan Medical (Tuesday)
­MSBI – hospital based (Monday)
­Kips Bay Endoscopy Center, NYC (Friday)

Dr. Karl Thadeus Bednarek speaks English, Polish and Russian and is comfortable conversing with patients in all three languages.

Hospital Affiliations
Beth Israel Medical Center, New York, NY

Related Specialties
Internal Medicine
Gastroenterology



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Office Hours
Monday: 2:00pm - 7:00pm Wednesday: 9:00am - 7:00pm Thursday: 8:00am - 5:00pm

Procedure Times
Monday: 7:00am - 2:00pm Tuesday: 8:00am - 6:00pm Friday: 7:30am - 5:00pm

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(718) 530-0387

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Dr. Karl Bednarek | Karl Bednarek MD | Gastroenterologist in Williamsburg