Anna M. Buchner, MD, PhD

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Associate Professor of Medicine (Gastroenterology) at the Hospital of the University of Pennsylvania
Attending Physician, Penn Medicine at Radnor
Attending Physician, Hospital of the University of Pennsylvania
Department: Medicine

Contact information
3400 Civic Center Boulevard
741 Perelman Center for Advanced Medicine
South Pavilion
Philadelphia, PA 19104
Office: 215-349-8222
Education:
MD
Medical University, Wroclaw, Poland, 1996.
PhD
Medical University, Wroclaw, Poland, 1999.
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Selected Publications

Buchner AM, Sonnenberg A: Gallstone Disease and Cholecystectomy Both Increase the Risk for Barrett's Esophagus. Gastroenterology May 2026 Notes: Poster presentation.

Buchner AM, Sonnenberg A.: Bariatric Surgery Reduces the Risk for Colon polyps and Colorectal Cancer. Gastroenterology May 2026 Notes: Poster presentation.

Sonnenberg A, Buchner AM.: Long-term trends of mortality from systemic lupus erythematosus in England & Wales and the United States. Lupus. 2026 Mar;35(3):246-253 35(3): 246-25, March 2026.

Sonnenberg A, Buchner AM, Inadomi J.: Mentorship in Gastroenterology - The Final Lesson. Clin Gastroenterol Hepatol. 2026 Mar 9:S1542-3565(26)00158-8 9: S1542-3656, March 2026.

Buchner AM, Huang RJ, Lauwers GY, El-Serag HB.: AGA Clinical Practice Update on Management of Gastric Polyps: Expert Review. Clin Gastroenterol Hepatol. 2026 Feb 18:S1542-3565(26)00034-0. S1542-3565(26), Feb 2026.

Buchner AM, Sonnenberg A.: Concurrence of Reflux Disease and Colonic Neoplasia. J Clin Gastroenterol. 2025 Nov 2025 Notes: in press.

Buchner AM, Kohen R, Sonnenberg A.: Epstein-Barr virus infection increases the risk for inflammatory bowel disease. Eur J Gastroenterol Hepatol Nov 2025 Notes: in press.

Sonnenberg A, Buchner AM, Kohen R.: Research Communication: Reflux Disease May Constitute a Risk Factor for Colonic Neoplasia. Aliment Pharmacol Ther 62(8): 837-840, October 2025.

Sonnenberg A, Buchner AM, Kohen R.: Reflux disease may constitute a risk factor for colonic neoplasia. Aliment Pharmacol Ther July 2025.

Sonnenberg A, Buchner AM, Kohen R. : Letter: H.pylori infection may constitute a risk factor for reflux disease and colonic neoplasia-Author' Reply. Aliment Pharacol Ther July 2025.

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Last updated: 03/17/2026
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