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David S. Wernsing, MD, FACS

David S. Wernsing, MD, FACS Physician

Director, Bariatric Surgery at Pennsylvania Hospital Clinical Associate Professor of Surgery

Dr. Wernsing is employed by Penn Medicine.

About Dr. David S. Wernsing

Recognized by America's Top Doctors 2015 – 2019
Recognized in Philadelphia magazine's May 2018, 2019 Top Docs issue
Specializes in minimally invasive surgery, including sarcoma and GI malignancies.

Patient Satisfaction Ratings

Patient Rating Breakdown

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

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.

Overall Ratings

Clinical Specialties


  • Bariatric Surgery
  • Gastrointestinal Surgery

Programs & Centers:

Board Certification:

  • Surgery, 2002

Clinical Expertise:

  • Acid Peptic Disorders
  • Adrenal Cancer
  • Adrenal Gland Tumors
  • Adrenalectomy
  • Ampullary Cancer
  • Anal Cancer
  • Appendectomy
  • Bariatric Surgery (Weight Loss Surgery)
  • Barrett's Esophagus
  • Basal Cell Carcinoma
  • Bile Duct Cancer (Cholangiocarcinoma)
  • Biliary Stenosis
  • Biliary Surgery
  • Biliary Tract Disorders
  • Cancer Surgery
  • Cellulitis
  • Chest Wall Resection Surgery
  • Colorectal Surgery
  • Compartment Syndrome
  • Critical Care Medicine
  • Diverticulitis (Colonic Diverticulitis)
  • Duodenal Ulcer
  • Esophageal Achalasia
  • Esophageal Cancer
  • Esophageal Disorders
  • Esophageal Strictures
  • Esophagectomy
  • Feeding Tube Placement (Gastrostomy Tube)
  • Gallbladder Disorders
  • Gallbladder Motility
  • Gallstones
  • Gastric Bypass Surgery
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Cancer
  • Gastrointestinal Carcinoid Tumor
  • Gastrointestinal Tumor
  • Hepatobiliary Surgery
  • Hernia Surgery
  • Incisional Hernia Surgery
  • Inflammatory Bowel Disease Surgery
  • Laparoscopic Adjustable Gastric Banding Surgery (LAGB)
  • Laparoscopic Appendectomy
  • Laparoscopic Colon and Rectal Surgery
  • Laparoscopic Colon Surgery
  • Laparoscopic Colostomy
  • Laparoscopic Diagnosis - Minimally Invasive
  • Laparoscopic Gastric Bypass Surgery
  • Laparoscopic Intestinal Surgery
  • Laparoscopic Sleeve Gastrectomy
  • Liver Cancer
  • Liver Metastases (Secondary Liver Cancer)
  • Liver Resection Surgery (Partial Hepatectomy)
  • Liver Tumors
  • Lobectomy
  • Minimally Invasive Abdominal Adhesion Surgery
  • Minimally Invasive Adrenalectomy
  • Minimally Invasive Colon Resection
  • Minimally Invasive Gallbladder Removal Surgery (Cholecystectomy)
  • Minimally Invasive Gastric Bypass Surgery
  • Minimally Invasive Heller Myotomy
  • Minimally Invasive Inguinal Hernia Surgery
  • Minimally Invasive Laparoscopic Staging
  • Minimally Invasive Liver Resection Surgery
  • Minimally Invasive Nissen Fundoplication Surgery
  • Minimally Invasive Spleen Removal Surgery (Splenectomy)
  • Minimally Invasive Ventral Hernia Repair
  • Muscle Biopsy
  • Neuroendocrine Tumors
  • Non-Cardiac Thoracic Surgery
  • Obesity
  • Pancreas Biopsy
  • Pancreatic Cancer
  • Pancreatic Neuroendocrine Tumors (Islet Cell Tumors)
  • Paraganglioma
  • PEG Tube Placement
  • Peptic Ulcer Disease (Stomach Ulcers)
  • Pheocromocytoma
  • Removal of Skin Growths
  • Robotic Hernia Repair Surgery
  • Robotic Surgery
  • Skin Cancer
  • Skin Lesion Removal
  • Small Bowel Resection
  • Small Intestine Cancer
  • Soft Tissue Biopsy
  • Soft Tissue Infection
  • Soft Tissue Tumor
  • Stomach Cancer (Gastric Cancer)
  • Stomach Removal Surgery (Gastrectomy)
  • Thoracoscopy
  • Thoracotomy
  • Vertical Banded Gastroplasty (Stomach Stapling)
  • Zollinger-Ellison Syndrome

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
  • 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: University of Medicine and Dentistry of New Jersey
Residency: Pennsylvania Hospital


American College of Surgeons (Fellow), National American Medical Association, National American Society for Metabolic & Bariatric Surgeons, National American Society for Parenteral & Enteral Nutrition, National American Society of Parenteral & Enteral Nutrition, National International Society for Peritoneal Dialysis, National Society for Laparoendoscopic Surgeons, National Society of American Gastrointestinal and Endoscopic Surgeons, National

Hospital Affiliation

Dr. Wernsing is employed by Penn Medicine.

Hospital Privileges:

  • Chester County Hospital: Has privileges to treat patients in the hospital.
  • 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.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.

Academic Contact Info

Department of Surgery
Penn Medicine Washington Square
800 Walnut Street, 20th Floor

Philadelphia, PA 19107
Phone: (215) 829-8455
Patient appointments: 800-789-7366 (PENN)

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