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Office
195 Collyer St
Suite 302
Providence, RI 02904Phone+1 401-793-5140Fax+1 401-793-5171
Summary
- Siva Vithiananthan, MD FACS FICS is a general surgeon with expertise in advanced laparoscopic surgery. He specializes in minimally invasive procedures including hernia repairs, splenectomies, adrenalectomies, gallbladder and biliary surgery, colon, stomach, anti reflux, motility-disorder related surgery and intestinal surgery, as well as gastric bypass, sleeve gastrectomy and lap-band procedures.
Prior to joining the staff at The Miriam Hospital, Vithiananthan was director for the Surgical Weight Loss Program at Winthrop University Hospital in Long Island, NY. In addition, he was Winthrop’s site director of the surgical residency and medical student program affiliated with the State University of New York (SUNY) at Stony Brook School of Medicine, where he also served as an assistant professor of clinical surgery.
Vithiananthan performed a fellowship in advanced laparoscopic surgery at New York Presbyterian Hospital, as well as a fellowship in surgical critical care at Hartford Hospital. He completed his residency in general surgery at Baystate Medical Center-Tufts University School of Medicine and earned his medical degree from Columbia University College of Physicians and Surgeons.
Vithiananthan has received several accolades for his commitment to the education of medical students and residents. He has published several professional papers and has been selected to present at a number of national meetings on bariatric and advanced laparoscopic surgery. His current research interests include the metabolic effects of surgical weight loss surgery and integrating advanced laparoscopic skills training in residency programs.
Education & Training
- New York-Presbyterian HospitalPost-Doctoral Fellowship, 1999 - 2000
- University of ConnecticutFellowship, Surgical Critical Care, 1998 - 1999
- UMass Chan - BaystateResidency, Surgery, 1993 - 1998
- Columbia University Vagelos College of Physicians and SurgeonsClass of 1993
- State University of New York, College at FredoniaNo Degree, 1987 - 1988
- University of JaffnaNo Degree, 1986 - 1987
Certifications & Licensure
- OR State Medical License 2000 - Present
- MA State Medical License 1994 - 2025
- NY State Medical License 1999 - 2025
- RI State Medical License 2007 - 2022
- American Board of Surgery Surgery
- American Board of Surgery Surgical Critical Care
Awards, Honors, & Recognition
- Vice-President International College of Surgeons, US section
- CMS Meaningful Use Stage 1 Certification All in One EMR, Medstreaming, 2013
- Riesman Excellence in Teaching Award The Miriam Hospital, 2013
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Publications & Presentations
PubMed
- 138 citationsPre- to postoperative physical activity changes in bariatric surgery patients: self report vs. objective measures.Dale S. Bond, John M. Jakicic, Jessica L. Unick, Sivamainthan Vithiananthan, Dieter Pohl
Obesity. 2010-12-01 - 61 citationsObjective quantification of physical activity in bariatric surgery candidates and normal-weight controlsDale S. Bond, John M. Jakicic, Sivamainthan Vithiananthan, J. Graham Thomas, Tricia M. Leahey
Surgery for Obesity and Related Diseases. 2010-01-01 - 58 citationsBari-Active: a randomized controlled trial of a preoperative intervention to increase physical activity in bariatric surgery patientsDale S. Bond, Sivamainthan Vithiananthan, J. Graham Thomas, Jennifer Trautvetter, Jessica L. Unick
Surgery for Obesity and Related Diseases. 2015-01-01
Journal Articles
- Ecological Momentary Assessment (EMA) of Recommended Postoperative Eating and Activity BehaviorsThomas G; Bond, DS; Ryder BA; Leahey TM; Vithiananthan SV; Roye GD, Ring R, International Journal of Behavioral Medicine, 3/1/2013
- Self-reported and objectively measured sedentary behaviors in bariatric surgery candidatesBond DS, Thomas JG, Unick JL, Raynor HA, Vithiananthan S, Wing RR, Surgery for Obesity and Related Diseases, 1/1/2013
- A Case-Controlled Matched-Pair Cohort Study of Single Incision and Conventional Laparoscopic Gastric Band Patients in a Single US Center with 1 year Follow-upVithiananthan S, Gero D, Zhang JY, Machan JT, Surgical Endoscopy, 7/26/2012
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Books/Book Chapters
Abstracts/Posters
- Bari-Active: a randomized controlled trial of a preoperative behavioral intervention to increase physical activity in bariatric surgery patients.Bond DS, Trautvetter J, Thomas JG, Unick JL, Vithiananthan S, Jakicic JM, Pohl D, Giovanni J, Ryder BA, Roye GD, Wing RR, 30th Annual Meeting Meeting of the American Society for Metabolic and Bariatric Surgery; American Society of Metabolic and Bariatric Surgery (ASMBS)/Obesity Week, Atlanta, GA, 11/1/2013
- Project HELP: A 5 Week Behavioral Intervention to Reduce Excessive Vomiting and Gastrointestinal Complications in Post-operative Lap-Band Patients.Himes S, Leahy T, Vithiananthan S, Wing R, 30th Annual Meeting of the American Society for Metabolic and Bariatric Surgery, 11/1/2013
- Less is More: Bariatric Surgery Related Weight Loss in Publicly Insured Patients and Duration of Mandated Preoperative Diet Program.Maloominan KS, Roye GD, Ryder BA, Stiles SE, Armstrong KC, Vigneswaran H, Vithiananthan S, 30th Annual Meeting Meeting of the American Society for Metabolic and Bariatric Surgery, 11/1/2013
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Lectures
- Surgeon directed endoscopic interventions during and after laparoscopic bariatric and revisional foregut surgery.10/1/2013
- Co-Moderator Proficiency in Laparoscopy Section10/1/2013
- Minimally invasive surgery fellowship and MIS privileges.10/1/2013
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Other
- "RI doctor on fewer younger obese kids" (TMH)Vithiananthan S, WPRI-TV Chn. 12
http://wpri.com/2014/03/05/miriam-hospital-fewer-younger-kids-obese/
3/5/2014 - Special Report on Weight Loss Surgery, Guest SurgeonVithiananthan S, WABC News, Up Close with Diana Williams
5/21/2005 - Interview on Gastric Bypass Surgery for Weight Loss.Vithiananthan S, News Channel 12, Cable Vision, Long Island, NY
2/20/2003 - Join now to see all
Professional Memberships
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Other Languages
- Tamil
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