Elan R. Witkowski, MD, MS, is a minimally invasive surgeon at Massachusetts General Hospital. His clinical interests include bariatric and metabolic surgery, gastroesophageal reflux disease (GERD), as well as hernia surgery and complex abdominal wall reconstruction. He performes open, laparoscopic, and robotic surgery. His research interestes include epidemiology, surgical outcomes, and artifical intelligence. 


Weight Center

General & Gastrointestinal Surgery


Centers & Specialties

Digestive Healthcare Center

Clinical Interests
  • Bariatric and Metabolic Surgery
  • General and gastrointestinal surgery
  • Paraesophageal hernias
  • Hernia surgery
  • Abdominal wall reconstruction
  • Gastroesophageal reflux disease (GERD)
  • Achalasia
  • Gallbladder and biliary tract disease
  • Gastric (stomach) cancer
  • Robotic surgery
  • Minimally invasive surgery
Medical Education
  • MD, UMASS Medical School
  • Residency, UMASS Medical Center
Board Certifications
  • Surgery
  • Boston: Massachusetts General Hospital
Existing Patients
Patient Gateway
Insurances Accepted
  • Aetna Health Inc.
  • AllWays Health (NHP) - ACD
  • AllWays Health (NHP) - PBO
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • BMC HealthNet Mass Health MCO/ACO
  • Cigna (PAL #'s)
  • Commonwealth Care Alliance
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - ACD
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • Maine Community Health Options (MCHO)
  • MassHealth
  • Medicare
  • Medicare - ACD
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - Rhode Island
  • Private Health Care Systems (PHCS)
  • Railroad Medicare
  • Railroad Medicare - ACD
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
  • Well Sense Pediatrics

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.

Patient Age Group
Provider Gender


Elan Witkowski is a surgeon at Massachusetts General Hospital. He received his MD degree from the University of Massachusetts Medical School in 2008. During his surgical residency, he also completed a Masters degree in Epidemiology at the Harvard School of Public Health in 2012. He completed his residency at the University of Massachusetts Medical School in 2015. In 2016, he completed a fellowship in the minimally invasive, bariatric, and advanced GI surgery at Massachusetts General Hospital and Harvard Medical School. 

After completing fellowship, Dr. Witkowski joined the faculty at Massachusetts General Hospital and Harvard Medical School. His clinical practice is focused on primary and revisional bariatric and metabolic surgery, foregut surgery including reflux surgery and hiatal hernias, as well as abdominal hernia surgery and complex abdominal wall reconstruction. He performs open, laparoscopic, and robotic surgery. 

Dr. Witkowski has received numerous awards and honors, and holds leadership positions in a number of national organizations. His research interests include quantitative studies focused on healthcare utilization, outcomes and cost-effectiveness of advanced medical technologies and therapeutics. He is also interested in technological innovation including surgical device development, healthcare information technology, and artificial intelligence. 

News & Events

  • Mass General's First POP Procedure Performed

    On March 1, 2019, doctors from Massachusetts General Hospital’s Digestive Healthcare Center successfully performed their first per-oral pyloromyotomy (POP) procedure. This innovative, minimally invasive treatment for gastroparesis is breaking new ground for the treatment of digestive health disorders.


Surgery Department
15 Parkman Street
Wang 460
Boston, MA 02114-3117
Phone: 617-643-8606
Fax: 617-724-3418
Weight Center, MGH
50 Staniford Street
4th Floor
Boston, MA 02114-2517
Phone: 617-643-4002
Fax: 617-724-2535