Dr. Williams is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
3400 Spruce St
Fl 4
Philadelphia, PA 19104Phone+1 215-662-2626
Education & Training
- University of Pennsylvania Health SystemResidency, Surgery, 1994 - 1997
- Royal College of Surgeons IrelandClass of 1981
- University of Pennsylvania Health SystemChief Residency, Surgery
Certifications & Licensure
- PA State Medical License 1995 - 2024
- Fellow, ASMBS, Fellow Royal College of Surgeons in Ireland
- Intercollegiate Board, Royal Colleges, UK and IrelandGeneral Surgery
Awards, Honors, & Recognition
- Honorary Fellow Royal College of Surgeons in Ireland., 2024
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012
Publications & Presentations
PubMed
- Bariatric surgery in patients with preoperative therapeutic anticoagulation: a 2015-2021 MBSAQIP database study.Sebastian Leon, Armaun D Rouhi, Juan E Perez, Angelika N Alberstadt, Colleen M Tewksbury
Surgery for Obesity and Related Diseases. 2024-12-01 - Comparison of Gastrostomy Techniques in Stroke Patients With Dysphagia: An Entropy-Balanced Analysis.Armaun D Rouhi, Sebastian Leon, Jeffrey L Roberson, Lauren A Shreve, Gregory J Nadolski
The Journal of Surgical Research. 2024-11-01 - Safety of elective enteral access in elderly patients: a comparative analysis of perioperative risk.Sebastian Leon, Armaun D Rouhi, Jeffrey L Roberson, Lauren A Shreve, Gregory J Nadolski
Journal of Gastrointestinal Surgery. 2024-09-01
Journal Articles
- National Postoperative Bariatric Surgery Outcomes in Patients with Chronic Kidney Disease and End-Stage Kidney DiseaseNoel N Williams, Jordana B Cohen, Obesity Surgery
- Mammographic Breast Density Decreases After Bariatric SurgeryMitchell Schnall, Noel Williams, Alycia So, Julia Tchou, Kristoffel Dumon, Breast Cancer Research and Treatment
Press Mentions
- Ways to Help Protect Yourself from CoronavirusFebruary 24th, 2020
- Causal Attributions for Obesity Among Patients Seeking Surgical Versus Behavioral/Pharmacological Weight Loss TreatmentSeptember 6th, 2018
- The Association of Body Mass Index with Postoperative Outcomes After Elective Paraesophageal Hernia RepairJuly 31st, 2018
- Join now to see all
Committees
- Member, SAGES Membership Committee 2010 - 2014
- Member, SAGES Education Tools
Professional Memberships
- Member
- Member
- Member
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: