Anna Buchner, MD, PhD
Gastroenterology
Accepting new patients
Sees patients age 18 and up
Penn Gastroenterology Radnor
View 1 additional location
Headshot of Anna Buchner, MD, PhD
Penn Medicine Provider

About me

  • Associate Professor of Medicine (Gastroenterology) at the Hospital of the University of Pennsylvania

Education and training

  • Medical School: Wroclaw Academy of Medicine
  • Graduate School: Wroclaw Academy of Medicine
  • Residency: University of Illinois College of Medicine at Chicago
  • Fellowship: University of Miami Hospital and Clinic
  • Fellowship: Mayo Clinic

What my patients think about me

Average Rating

253 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Anonymous
February 2026
she very knowledgeable and patient-oriented.
Anonymous
February 2026
Dr. Buchner is knowledgeable, focused and caring. i have been her patient for many years. i trust her and feel so well-cared for.
Anonymous
January 2026
a great bedside manner, very compassionate, & knowledgeable.
Anonymous
January 2026
she explains everything very clearly. i never feel rushed and she runs on time.

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Buchner is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

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


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


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): 2026,246-25


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


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): 2026


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


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


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


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