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Office
5700 Monroe St Unit 106
Sylvania, OH 43560Phone+1 419-885-2525Fax+1 419-885-3253
Education & Training
- Detroit Medical Center/Wayne State UniversityResidency, Surgery, 1986 - 1991
- Ohio State University College of MedicineClass of 1986
Certifications & Licensure
- OH State Medical License 1991 - 2026
- MI State Medical License 1988 - 2025
- American Board of Surgery Surgery
Publications & Presentations
PubMed
- Redesign of a Resident Evaluation Tool Using Exploratory Factor Analysis.Carly Chappell, Stephen Markowiak, Gang Ren, Laura Wharry, Stephen Stanek
Journal of Surgical Education. 2025-03-01 - Comparative analysis of readmission rates and outcomes: Sleeve gastrectomy with versus without Nissen fundoplication using a National Database.Ahmed M Afifi, Daniyal Qadir, Gang Ren, Justin Hsu, Joseph Sferra
Clinical Obesity. 2025-02-01 - 1 citationsSocial disparities in pulmonary embolism and deep vein thrombosis during the coronavirus disease 2019 pandemic from the Nationwide inpatient Sample.Matthew Leverich, Ahmed M Afifi, Meghan Wandtke Barber, Ali Baydoun, Joseph Sferra
Journal of Vascular Surgery. Venous and Lymphatic Disorders. 2025-01-01
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