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Office
2100 Erwin Rd
Durham, NC 27705Phone+1 919-684-8111
Education & Training
Wright State UniversityResidency, Surgery, 1995 - 1999
Creighton University School of Medicine (Omaha)Residency, Surgery, 1994 - 1995- Wright State UniversityResidency, Surgery, 1993 - 1994
New York Presbyterian Hospital (Columbia)Fellowship, Child and Adolescent Psychiatry, 1991 - 1993- Wright State UniversityResidency, Psychiatry, 1987 - 1990
ArMed Forces Medical College PuneClass of 1981
Certifications & Licensure
NC State Medical License 2008 - 2025
OH State Medical License 1989 - 2000
PA State Medical License 1989 - 1990- American Board of Psychiatry and Neurology Psychiatry
- American Board of Psychiatry and Neurology Child & Adolescent Psychiatry
- American Board of Surgery Surgery
Awards, Honors, & Recognition
- Fellow (FACS) American College of Surgeons
Publications & Presentations
PubMed
- 84 citationsAltered olfactory acuity in the morbidly obese.Brynn E. Richardson, Eric A. Vander Woude, Ranjan Sudan, Jon S. Thompson, Donald A. Leopold
Obesity Surgery. 2004-08-01 - 32 citationsGastric Bypass Does Not Influence Olfactory Function in Obese PatientsBrynn E. Richardson, Eric A. VanderWoude, Ranjan Sudan, Donald A. Leopold, Jon S. Thompson
Obesity Surgery. 2012-02-01 - 29 citationsComparative effectiveness of primary bariatric operations in the United States.Ranjan Sudan, Matthew L. Maciejewski, Amber Wilk, Ninh T. Nguyen, Jaime Ponce
Surgery for Obesity and Related Diseases. 2017-05-01
Authored Content
- This Is How We Do It: Laparoscopic Roux-en-Y Gastric BypassMay 2020
Press Mentions
- Robotic Surgery for Obese PatientsJanuary 26th, 2020
The Most Viewed Articles of 2015January 1st, 2016
Doctor-Implanted Balloons in Stomach May Spur Weight LossNovember 7th, 2014
Professional Memberships
- Member
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