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Dr. Dennis Smith

Dr. Dennis Smith
WellStar Medical Group
Specialties: Bariatric Surgery
Languages Spoken: English
Degree: Doctor of Medicine
School: Robert Wood Johnson Medical School
Residency: University of Alabama Hospital at Birmingham
Certification: American Board Surgery
ACO Provider: Yes
Hospital Affiliations:
WellStar Cobb Hospital
WellStar Kennestone Hospital
WellStar Windy Hill Hospital


Dr. Smith is one of the nation’s leading bariatric (weight loss) surgeons and serves as Director of Bariatric Surgery for WellStar Kennestone Hospital.  Dr. Smith is one of a limited number of surgeons in the U.S. who regularly perform all four major bariatric operations laparoscopically (with minimally invasive techniques).


He has been performing bariatric procedures since 1997 and was one of the first surgeons in the world to perform a totally laparoscopic Duodenal Switch (DS).  Dr. Smith was the first to present the Hand-Sewn Duodenal Anastomosis technique for the DS.  In 1999 he founded the WellStar Bariatric Surgery Program, which was named a Center of Excellence in Bariatric Surgery in 2005.


In addition to his active surgical practice, Dr. Smith shares his knowledge by participating in surgeon education and training.  A Fellow of the American College of Surgeons, Dr. Smith is certified by the American Board of Surgery.  He is an active member of the American Society for Metabolic and Bariatric Surgery, the International Federation for the Surgery of Obesity and the Society of American Gastrointestinal Endoscopic Surgeons.


Dr. Smith is known locally and worldwide for excellent outcomes and for adhering to the highest standards of patient care and surgical technique.

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Meet Dennis Smith, M.D.

Medical Practice

WellStar Medical Group
Comprehensive Bariatric Services

55 Whitcher Street
Suite 410
Marietta, GA 30060
Phone: (770) 919-7050
Fax: (770) 919-7051

Insurance Accepted:
Please check with your insurance provider to see if this doctor is covered by your current policy.