Sharaf, MD, MS

About the researcher:


Gastroenterology, Clinical Cancer Genetics

Dr. Sharaf is a gastroenterologist and health-services researcher with a focus on clinical cancer genetics and the care of patients with hereditary gastrointestinal cancer syndromes. His background is in clinical research, guideline development, and quality improvement. He has training in biostatistics, large database analysis, Markov modeling, econometric analysis, and systematic review.  His research goals are: 1) to personalize colorectal cancer screening recommendations, 2) to investigate the comparative and cost effectiveness of alternate methods and schedules of cancer screening, and 3) to explore the economics and delivery of genomic medicine.

Research training opportunities for residents and fellows:

  • Systematic review and meta analysis
  • Econometric analysis


New York University School of Medicine

Degree: MD

Columbia University School of Medicine/New York Presbyterian Hospital

Degree: Medical Internship

Columbia University School of Medicine/New York Presbyterian Hospital

Degree: Residency

Stanford University Hospital and Clinics

Degree: Fellowship

Stanford University Hospital and Clinics

Degree: MS Epidemiology

Honors and awards


National Cancer Institute Cancer Research Network Scholar


New York State Empire Clinical Research Investigator Award Fellow


Academy Health Delivery System Science Fellowship


National Society for Genetic Counselors Cancer Special Interest Group Grant Award


  1. Chathadi K, Chandrasekhara V… Sharaf R.., Brooks D Cash, John M DeWitt. ASGE Standards of Practice Committee et al. The role of ERCP in benign diseases of the biliary tract. Gastrointest Endosc (2015) vol. 81 (4) pp. 795-803
  2. Diamond LC, Douglas G, Genoff M, Gonzalez J, Sharaf R, Mikesell C, Gany F. Non-English Language Proficiency of Applicants to US Residency Programs. JAMA 2014 vol. 312 (22) pp. 2405-7
  3. Ravi N. Sharaf, Parvathi Myer, Uri Ladabaum. Uptake of Genetic Testing in Lynch Syndrome. A Systematic Review. Clinical Gastroenterology and Hepatology 2013 Sep;11(9):1093-100
  4. Sharaf RN, Shergill AK, Odze RD, Krinsky ML… Dominitz JA, Cash BD ASGE Standards of Practice Committee. Endoscopic Mucosal Tissue Sampling. Gastrointestinal Endoscopy; 2013 Aug;78(2):216-24
  5. Ravi N. Sharaf and Uri Ladabaum. Comparative effectiveness and cost-effectiveness of screening colonoscopy vs sigmoidoscopy and alternative strategies. American Journal of Gastroenterology; 108: 120-132