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Noel N. Williams, MD

Noel N. Williams, MD Physician

Director, Penn Metabolic & Bariatric Surgery Program Director, William T. Fitts Surgery Education Center Rhoads-Harrington Professor in Surgery Associate Professor of Clinical Pediatrics

Dr. Williams is employed by Penn Medicine.

About Dr. Noel N. Williams

Recognized by Best Doctors in America 2005, 2006, 2009 - 2012, 2015, 2016

Recognized in Philadelphia Magazine's May 2002 Top Docs issue

Clinical Specialties


  • Bariatric Surgery
  • Gastrointestinal Surgery

Programs & Centers:

Board Certification:

  • Medicine

Clinical Expertise:

  • Abdominal Abscess
  • Abdominal Adhesions
  • Abdominal Surgery
  • Abdominal Wall Defect
  • Abdominal Wall Surgery
  • Adiposity
  • Adrenal Mass
  • Appendectomy
  • Appendix Cancer
  • Bariatric Revision Surgery
  • Bariatric Surgery
  • Bariatric Surgery Counseling
  • Bile Duct Cancer (Cholangiocarcinoma)
  • Biliary Colic
  • Biliopancreatic Diversion with Duodenal Switch
  • Biopsy
  • Breast Biopsy
  • Carcinoid of the Stomach
  • Carcinoid Tumor of Pancreas
  • Carcinoid Tumors
  • Cecostomy
  • Cholecystectomy
  • Cholecystitis
  • Colonic Volvulus
  • Cystadenoma of Pancreas
  • Diaphragmatic Hernia
  • Duodenal Switch
  • Duodenal Ulcer Surgery
  • Endoscopic Surgery
  • Epigastric Hernia
  • Esophagogastric Junction Cancer
  • Femoral Hernia
  • Fine Needle Aspiration
  • Fistula Enterocutaneous
  • Fundoplication
  • Gallbladder Cancer
  • Gallbladder Disorders
  • Gastric Banding
  • Gastric Bypass Surgery
  • Gastric Pacemaker
  • Gastroesophageal Reflux Surgery
  • Gastrointestinal Bleeding
  • Gastrointestinal Cancer
  • Gastrointestinal Stromal Tumors (GIST)
  • Gastroplasty
  • Hemorrhoids
  • Hepatobiliary Malignancies
  • Hernia
  • Hernia Repair
  • Hiatal Hernia
  • Hiatal Hernia Repair
  • Hickman Catheter
  • Ileostomy
  • Incarcerated Hernia
  • Incision and Drainage
  • Incisional Hernia
  • Inclusion Cyst
  • Infusaport Placement
  • Inguinal Hernia
  • Inguinal Hernia Repair
  • Insertion of Gastric Balloon
  • Insulinoma
  • Internal Hernia
  • Intestinal Carcinoid Tumor
  • Intestinal Fistula
  • Intestinal Infarction
  • Intestinal Obstruction
  • Intestine Cancer Surgery
  • Intraductal Papillary Mucinous Neoplasm
  • Intussusception
  • Laparoscopic Adjustable Gastric Banding Surgery (LAGB)
  • Laparoscopic Appendectomy
  • Laparoscopic Cholecystectomy
  • Laparoscopic Gastric Restrictive Procedure
  • Laparoscopic Gastrostomy¬†
  • Laparoscopic Hernia Repair
  • Laparoscopic Hiatal Hernia Repair
  • Laparoscopic Incisional Hernia Repair
  • Laparoscopic Inguinal Hernia Repair
  • Laparoscopic Lymph Node Biopsy
  • Laparoscopic Pancreatectomy
  • Laparoscopic Recurrent Hernia Repair
  • Laparoscopic Removal of Gastric Restrictive Devices
  • Laparoscopic Revision of Gastric Restrictive Procedure
  • Laparoscopic Spleen Removal Surgery (Splenectomy)
  • Laparoscopic Splenectomy
  • Laparoscopic Toupet Fundoplication
  • Laparoscopic Treatment of Small Bowel Obstruction
  • Laparoscopic Umbilical Herniorrhaphy
  • Laparoscopic Ventral Hernia Repair
  • Laparoscopic Whipple Procedure
  • Laparoscopy
  • Lipoma
  • Liver Cancer
  • Liver Mass
  • Liver Metastases
  • Liver Surgery
  • Lymph Node Biopsy
  • Lysis of Adhesions
  • Malignant Neoplasm of Pancreatic Duct
  • Malignant Tumor of Extrahepatic Bile Duct
  • Mechanical Complication of Gastrostomy
  • Mediports
  • Mesenteric Cyst
  • Mesenteric Mass
  • Metastatic Colon Cancer
  • Minimally Invasive Surgery
  • Morbid Obesity
  • Muscle Biopsy
  • Musculoskeletal Biopsy
  • Neuroendocrine Tumors
  • Obesity
  • Obesity Surgery
  • Pancreas Head Cancer
  • Pancreas Tail Cancer
  • Pancreatectomy
  • Pancreatic Cancer
  • Pancreatic Neuroendocrine Tumors (Islet Cell Tumors)
  • Pancreatic Tumors
  • Pancreaticobiliary Disease
  • Paraesophageal Hernia
  • Parastomal Hernia
  • Partial Splenectomy
  • PEG (Percutaneous Endoscopic Gastrostomy)
  • Peptic Ulcer Surgery
  • Perforation of the Gallbladder
  • Peridiverticular Abscess
  • Pilar Cyst
  • Pilonidal Disease
  • Port
  • Post-Bariatric and Weight-Loss Surgery
  • Pseudomyxoma Peritonei
  • Pyloroplasty
  • Rectal Cancer
  • Rectus Sheath Hernia
  • Recurrent Colorectal Cancer
  • Recurrent Femoral Hernia
  • Recurrent Hernia
  • Reducible Hernia
  • Richter Hernia
  • ROSE Procedure
  • Roux-En-Y Bypass
  • Sentinel Node Biopsy
  • Skin Abscess
  • Small Bowel Biopsy
  • Small Bowel Cancer
  • Small Bowel Obstruction
  • Small Intestine Cancer
  • Spigelian Hernia
  • Splenic Anomalies
  • Splenic Cyst
  • Splenic Mass
  • Splenomegaly
  • Stomach Cancer (Gastric Cancer)
  • Stomach Fistula
  • Stomach Stapling
  • Stomach Surgery
  • Stomach Tumor Surgery
  • Stromal Tumor of the Intestine
  • Subphrenic Abscess
  • Surgical Management of Advanced Hepato-Biliary Cancer
  • Thyroid Nodules
  • Umbilical Hernia
  • Varicose Veins
  • Ventral Hernia
  • Vertical Banded Gastroplasty
Show All Expertise

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Amerihealth Caritas
  • Amerihealth Caritas Medicare
  • Cigna
  • Cigna HealthSpring
  • Clover Health Plan
  • CVS Health
  • Devon Health Services (Americare)
  • eLAP Services
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Homestead Smart Health Plans
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Keystone First Medicare
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oscar Health Plan of PA
  • Oxford Health Plan
  • PA Health and Wellness (Centene) Medicare
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Provider Partners Health Plan
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan
  • Veterans Choice Program

Education and Training

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


4th Congress, Dublin, National American Hepato-Pancreatico-Biliary Association (AHPBA), National American Society for Bariatric Surgery, National American Society for Metabolic and Bariatric Surgery, National Association for Surgical Education, Education Committee, National Intensive Care Society of Ireland, International Irish Association for Cancer Research, International Irish Society of Gastroenterology, International Membership Committee, National 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

Hospital Affiliation

Dr. Williams is employed by Penn Medicine.

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
Patient appointments: 800-789-7366

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