Penn Metabolic & Bariatric Surgery Program

The Hospital of the University of Pennsylvania

A Team Approach to Individualized Care

Patients suffering from clinically severe (morbid) obesity benefit from the expertise of the team at the Metabolic & Bariatric Surgery Program at the Hospital of the University of Pennsylvania. Here, professionals in surgery, medicine, nursing, anesthesiology, psychology and nutrition collaborate to provide patients with high-level, comprehensive care in a compassionate environment.

Bariatric Surgery Centers of ExcellenceDesignated as a Bariatric Surgery Center of Excellence® by the American Society for Bariatric Surgery, the Metabolic & Bariatric Surgery Program at the Hospital of the University of Pennsylvania is committed to ensuring patients the best outcomes possible. With this distinction, the Surgical Review Corporation recognizes Penn surgeons, Noel Williams, MD, FRCSI and Steven Raper, MD, as well as the centers' outstanding facilities and patient care.

The Metabolic & Bariatric Surgery team at the Hospital of the University of Pennsylvania works closely with each patient to develop a treatment plan that is best suited to the individual's health needs and weight loss goals. Support groups and nutritional counseling are also key components of the Metabolic & Bariatric Surgery Program at the Hospital of the University of Pennsylvania.

The Metabolic & Bariatric Surgery Program at the Hospital of the University of Pennsylvania offers:

  • Board-certified surgeons with expertise in minimally invasive surgical techniques.
  • An experienced anesthesia team dedicated to the care of severely obese patients.
  • Clinical nutrition specialists with American Dietetic Association certification in adult weight management.
  • An internist specializing in the medical evaluation of severely obese patients.
  • Psychologists with clinical expertise in weight and eating disorders.
  • Board-certified nurse practitioners who provide pre- and post-operative evaluation, assessment and management.
  • Minimally invasive surgical suites with robotic technology.
  • Gastric band adjustments performed in a new fluoroscopy procedure room.

Clinical Services

Team and Staff

HUP Bariatrics Team

L to R:
Back – Samantha Warner-Grimsley, AD, RN, CBN; Kristoffel R. Dumon, MD; Noel N. Williams, MD, FCSI; Lynn Engler, MSN, CRNP; Katie Foster-Kilgarriff, MSN, CRNP
Front – B. Karen Coyne, MSN, CRNP; Cara Stewart, RD, LDN; Steven E. Raper, MD, FACS

The Bariatric Surgery Operating Room Team

The Bariatric Surgery Operating Room Team

The Rhoads Four Nursing Team

The Rhoads Four Nursing Team

Affiliation Key

Unless otherwise indicated, all providers listed are employed by or contracted through the University of Pennsylvania Health System.

Independent Physician icon Independent: Private practice physician who is not employed by the University of Pennsylvania Health System (UPHS) and may or may not have privileges to treat patients at a UPHS hospital.
Sub-specialty network provider icon Sub-Specialty Network: Private practice physician who is affiliated with UPHS, but is not an employee of UPHS and may or may not be on the medical staff of a UPHS hospital.
CHOP Provider icon CHOP: Physician affiliated with the Children's Hospital of Philadelphia.