Nitin K. Ahuja, MD, MS
Gastroenterology
Accepting new patients
Sees patients age 18 and up
Penn Gastroenterology Perelman
Make an appointmentCall 215-349-8222
Headshot of Nitin K. Ahuja, MD, MS
Penn Medicine Provider

About me

  • Director, Program in Neurogastroenterology and Motility
  • Associate Professor of Clinical Medicine (Gastroenterology)

Education and training

  • Medical School: University of Michigan
  • Residency: University of Virginia Health System
  • Fellowship: Johns Hopkins University School of Medicine

What my patients think about me

Average Rating

186 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.

February 2026
he explained everything very well and was a true expert in my area of need.
February 2026
could explain what he believes i have and could explain it throughly and for a detailed treatment plan
February 2026
pleased
January 2026
took his time with me, listened and explained well

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. Ahuja is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

JF Brown, N Mahmud, NK Ahuja Diagnostic trends and differences in prescription burden by sex in patients with disorders of gut-brain interaction. Poster presentation. , Digestive Disease Week, Chicago, IL: 2026

NK Ahuja The therapeutic inventory: a lodestone for complex motility encounters , Gastro Hep Advances, 5(3): 2026

Ahuja NK Looking Behind the Veil , The New York Review of Books: 2025

Hewlett KK, PeBenito A, Hecht AL, Tiffany C, Tanes C, Glover RC, Friedman ES, Reynolds JC, Bittinger K, Wu GD, Ahuja NK, Zackular JP Dietary fiber modulates the window of susceptibility to Clostridioides difficile infection , Gastroenterology, 169(5): 2025,970-982

Khanna T, Itzoe M, Mukherjee J, Ahuja NK Concomitant use of prescription-based agents for chronic constipation: a single-center retrospective study , Gastro Hep Advances, 4(10): 2025,1-3

Ahuja A, Ahuja NK Preparing the next generation of gastroenterologists to tackle climate change , Clinical Gastroenterology and Hepatology, 23(1): 2025,7-10

Brenner DM, Sayuk GS, Cash BD, Harris LA, Ahuja NK, Deutsch JK, Yang Y, Zhao S, Rosenbaum DP, Lembo AJ Tenapanor improves abdominal symptoms irrespective of changes in complete spontaneous bowel movement frequency in adults with irritable bowel syndrome with constipation , Digestive Diseases , 43(2): 2025,146-157

19., Hostler TJ, Poerio GL, Nader C, Mank S, Lin AC, Villena-Gonzalez M, Lemera ASMR, Sharon Shares ASMR, Yoloma ASKR, Moongem ASMR, Plutzik N, Ahuja NK, Baker DH, Bannister S, Barratt EL, Bedwell SA, Billot P-E, Blakey E, Cardini F, Cash DK, Davis NJ, Del Sette BM, Erfanian M, Flockton JR, Fredborg B, Gillmeister H, Gray E, Haigh SM, Heisick LL, McErlean AJ, Klausen HB, Kondo HM, Maas F, Maurand LT, McKay LS, Mozzoni M, Navyte G, Ortega-Balderas JA, Palmer-Cooper EC, Richard CAH, Roberts N, Romei V, Schoeller F, Shaw SD, Simner J, Smith SD, Specker E, Succi A, Valtakari NV, Weinheimer J, Zehetgrube J Research priorities for autonomous sensory meridian response: an interdisciplinary Delphi study , Multisensory Research, 37(6-8): 2024,499-528

MSM Itzoe, T Khanna, J Mukherjee, NK Ahuja Single-center experience with concomitant use of novel and off-label prescriptions for chronic constipation. Poster presentation. , American College of Gastroenterology Annual Scientific Meeting, Philadelphia, PA: 2024

Ahuja NK A case study in the IBS-C management continuum: assessing patient response and tailoring treatment , Gastroenterology and Hepatology, 20(7): 2024,383-427