Noel N. Williams, MD
Bariatric Surgery, Gastrointestinal Surgery, General Surgery
Accepting new patients
Sees patients age 18 and up
Penn Gastrointestinal Surgery Perelman
View 3 additional locations
Schedule onlineCall 215-662-2626
Penn Medicine Provider

About me

  • Director, Penn Metabolic & Bariatric Surgery Program
  • Director, William T. Fitts Surgery Education Center
  • Rhoads-Harrington Professor in Surgery

Education and training

  • Medical School: Royal College of Surgeons
  • Residency: Richmond Hospital
  • Residency: Mater Misericordiae Hospital
  • Residency: Hospital of the University of Pennsylvania

What my patients think about me

Average Rating

444 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.

November 2025
he was excellent!
October 2025
very informative and answered all questions
October 2025
thoroughness and approach
October 2025
he's an excellent surgeon and makes his patients feel comfortable and confident in his performance.

Insurance accepted

My Locations

Penn Metabolic and Bariatric Surgery Program Valley Forge

Penn Medicine hospital privileges

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

Qualifications and experience

Treatments and Conditions

My research

Berry MF, Rosato EF, Williams NN Dexon mesh splenorrhaphy for intraoperative splenic injuries , American Surgeon, 69(2): 2003,176-180

Yendamuri S, Kuroki T, Trapasso F, Henry AC, Dumon KR, Huebner K, Williams NN, Kaiser LR, Croce CM WW domain containing oxidoreductase gene expression is altered in non-small cell lung cancer , Cancer Research, 63(4): 2003,878-881

Dumon K, Williams NN. Results of 154 Consecutive Hand Assisted laparoscopic Roux-en-Y Gastric Bypasses to Treat Morbid Obesity. , Surgical Endoscopy , 17 Suppl.: 2003,S220

Suliman Y, Williams NN Laparoscopy and thoracoscopy , Gastrointestinal Cancers: Biology and Clinical Management: 2003,159-166

Williams NN, Gyorfi T, Iliopoulos D, Herlyn D, Greenstein D, Linnenbach AJ, Daly JM, Jensen P, Rodeck U, Herlyn M Growth factor independence and invasive properties of colorectal carcinoma cells , International Journal of Cancer, 50(2): 2002,274-280

Chen CN, McVay LD, Batlivala ZS, Hendren SK, Swain GP, Salzman N, Williams NN, Rombeau JL Anatomic and functional characteristics of the rat ileal pouch , American Journal of Surgery, 183(4): 2002,464-470

Velidedeoglu E, Williams N, Brayman KL, Desai NM, Campos L, Palanjian M, Wocjik M, Bloom R, Grossman RA, Mange K, Barker CF, Naji A, Markmann JF Comparison of open, laparoscopic, and hand-assisted approaches to live-donor nephrectomy , Transplantation, 74(2): 2002,169-172

Dumon K, Markmann J, Williams NN. Comparison of hand-assisted donor nephrectomy with totally laparoscopic and open donor nephrectomy. , Presented at the 8th World Congress of Endoscopic Surgery, New York, NY: 2002