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Noel N. Williams, MD Surgeon

Director, Penn Metabolic & Bariatric Surgery Program
Director, William T. Fitts Surgery Education Center
Professor of Clinical Surgery

Dr. Williams is a Penn Medicine employed physician.

About Dr. Noel N. Williams

Recognized by Best Doctors in America 2005-2006, 2009-2010, 2011-2012

Recognized in Philadelphia Magazine's May 2002 Top Docs issue

Clinical Specialties


  • Surgery
    • Gastrointestinal Surgery

Programs & Services:

  • Cancer
    • Anal Cancer
    • Esophageal Cancer
    • Gastrointestinal Carcinoid Tumor
    • Liver Cancer
    • Small Intestine Cancer
    • Stomach (Gastric) Cancer
  • Gastroenterology
    • Gastrointestinal Surgery Consultation
  • Metabolic and Bariatric Surgery

Conditions & Treatments:

  • Anal Cancer
  • bariatric surgery
  • Barrett's Esophagus
  • Bile Duct Cancer
  • Biliary Tract Disorders
  • Cancer Surgery
  • colectomy
  • Colon Cancer
  • colon surgery
  • Colorectal Surgery
  • Esophageal Cancer
  • flex sigmoidoscopy
  • Gallbladder Disorders
  • Gallstones
  • gastric bypass - laparoscopic
  • gastric bypass surgery
  • Gastroesophageal Reflux Disease (GERD)
  • gastrointestinal cancer
  • Gastrointestinal Carcinoid Tumor
  • hernia surgery
  • inflammatory bowel disease - surgery
  • lap band surgery
  • Liver Cancer
  • liver metastases
  • Neuroendocrine Tumors
  • Obesity
  • Pancreatic Cancer
  • Pancreatitis
  • primary care - gastroesophageal
  • Rectal Cancer

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Care
  • Rail Road Medicare / Palmetto GBA
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

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


American Hepato-Pancreatico-Biliary Association (AHPBA), National American Society for Bariatric Surgery, National Association for Surgical Education, Intensive Care Society of Ireland, International Irish Association for Cancer Research, International Irish Society of Gastroenterology, International Penn Surgical Society, Local Ravdin-Rhoads Surgical Society, Royal Academy of Medicine in Ireland, International Royal College of Surgeons in Ireland, International Society for Minimally Invasive Therapy, Society for Surgery of the Alimentary Tract (SSAT), Society of American Gastrointestinal Endoscopic Surgeons, National Surgical Research Society of Great Britain and Ireland, International Wistar Institute, Philadelphia, PA (Associate Scientist), National


Dr. Williams is a Penn Medicine employed physician.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.


Selected Publications:

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

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) : 878-881,2003.

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

Suliman Y, Williams NN.: Laparoscopy and thoracoscopy. In Gastrointestinal Cancers: Biology and Clinical Management. Philadelphia: WB Saunders Co : 159-166,2003.

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. Int J Cancer 50(2) : 274-280,2002.

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. Am J Surg 183(4) : 464-470,2002.

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) : 169-172,2002.

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.

Canter RJ, Williams NN.: Surgical treatment of colon and rectal cancer. [Review] Hematology/Oncology Clinics of North America 16 : 907-926,2002.

Guy TS, Williams NN, Rosato EF: Crohn's disease of the colon. Surg Clin NA 81(1) : 159-168,2001.

Academic Contact Info

University of Pennsylvania Medical Center
3400 Spruce Street, 4th Floor Silverstein Pavilion

Philadelphia, PA 19104-4283
Phone: (215) 614-0858
Fax: (215) 662-4871

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