Penn Medicine Provider
Gastroenterology
Gary D. Wu, MD
Accepting new patients
Sees patients age 18 and up
Penn Gastroenterology Perelman

About me

  • Associate Chief for Research, Division of Gastroenterology
  • Associate Director, Center for Molecular Studies in Digestive and Liver Disease
  • Director, Molecular Biology Core
  • Ferdinand G. Weisbrod Professor in Gastroenterology
  • Professor of Medicine in Pediatrics

Education and training

  • Medical School: Northwestern University Feinberg School of Medicine
  • Residency: University of Minnesota Hospitals
  • Fellowship: University of Michigan Medical Center

Insurance accepted

My Locations

Penn Medicine hospital privileges

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

Qualifications and experience

Treatments and Conditions

My research

Harling LC, Hecht AL, Meyer F, Wu GD. Revisiting nitrogen assimilation strategies in the mammalian gut: lessons from Enterobacteriaceae as pathobiont models and a challenge to the limitation paradigm , Arch Microbiol, 207: 2025,203


Bloom PP, Garrett WS, Penniston KL, Winkler MH, Hazen SL, Agudelo J, Suryavanshi M, Babiker A, Dodd D, Fischbach MA, Huang KC, Huttenhower C, Joe B, Kalantar-Zadeh K, Knight R, Miller AW, Rabb H, Srivastava A, Tang WHW, Turnbaugh PJ, Walker AW, Wilck N, Xu J, Yang T, Himmelfarb J, Redinbo MR, Wu GD, Woodworth MH, Ackerman AL, Winter S, Rinschen MM, Hassan HA, Biruete A, Anderson AH, Pluznick JL. Microbiota and kidney disease: the road ahead , Nat Rev Nephrol: 2025


Ren X, Clark RM, Bansah DA, Varner EN, Tiffany CR, Jaswal K, Geary JH, Todd OA, Winkelman JD, Friedman ES, Jarrett RN, Zemel BS, Wu GD, Zackular JP, DePas WH, Behnsen J, Palmer LD. Amino acid competition shapes Acinetobacter baumannii gut carriage , Cell Host Microbe: 2025


Hewlett KK, PeBenito A, Hecht AL, Tiffany C, Tanes C, Glover RC, Fawad JA, Friedman ES, Reynolds JC, Bittinger K, Lewis JD, Wu GD, Ahuja NK, Zackular JP. Dietary Fiber Modulates the Window of Susceptibility to Clostridioides difficile Infection , Gastroenterology: 2025


Barekat K, Ghosh S, Herrmann C, Keat K, Assenmacher CA, Tanes C, Wilson N, Sengupta A, Das US, Joshi R, Ritchie MD, Bittinger K, Weljie A, Cadwell K, Bushman FD, Wu GD, FitzGerald GA, Ricciotti E. Concomitant suppression of COX-1 and COX-2 is insufficient to induce enteropathy associated with chronic NSAID use , bioRxiv: 2025


Damani R, Vasisht S, Luks V, Vargas G, Compher C, Titchenell PM, Tasian G, Li H, Wu GD, Witschey WR, Gershuni VM. Sex-based differences in imaging-derived body composition and their association with clinical malnutrition in abdominal surgery patients , medRxiv: 2025


Hecht AL, Mahmud N, Chaudhry S, Cao JY, Branigan GP, Lee J, Theiller E, Roggiani M, Friedman ES, Herman L, Galis BE, Jones SM, Planet PJ, Zackular JP, Kaplan DE, Serper M, Rajender Reddy K, Moustafa AM, Goulian M, Wu GD. Carbohydrate consumption drives adaptive mutations in Escherichia coli associated with increased risk for systemic infection , bioRxiv: 2025


Yan J, Ren R, Chang R, Dan W, Zhang X, Pan F, Yan B, Lee H, Josie N, Sun G, Peng L, Wu GD, Yang Y. Development and Initial Use of a New Inflammatory Bowel Disease Clinical Database Integrating Both Eastern and Western Clinical Characteristics , Chronic Dis Transl Med, 11: 2025,130-139


Benitez AJ, Tanes C, Friedman ES, Zackular JP, Ford E, Gerber JS, DeRusso PA, Kelly A, Li H, Elovitz MA, Wu GD, Zemel B, Bittinger K. Antibiotic exposure is associated with minimal gut microbiome perturbations in healthy term infants , Microbiome, 13: 2025,21


Soto Ocaña J, Friedman ES, Keenan O, Bayard NU, Ford E, Tanes C, Munneke MJ, Beavers WN, Skaar EP, Bittinger K, Zemel BS, Wu GD, Zackular JP. Metal availability shapes early life microbial ecology and community succession , mBio, 15: 2024,e0153424


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