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Board Certification
American Board of SurgeryNational Board of Medical ExaminersPatient Rating
5.0 /5( out of 18 reviews )The patient rating score is an average of all responses on our patient experience survey. The rating averages scores for all questions about care from our providers.
The scale on which responses are measured is 1 to 5 with 5 being the best score.
Patient Comments
Patient comments are gathered from our patient experience survey and displayed in their entirety.
Patients are de-identified for confidentiality and patient privacy.August 21, 2023HUNTSMAN CANCER CENTERI am so impressed with Dr Contreras. He is so caring and explained everything to us in such a way that was easy to understand. He listened to concerns and gave good feedback. He shook my moms hand and gave her comfort in knowing that she would be in good care. He made her feel like a valuable human, not just a patient. Im certain his operating skills extend even farther than his bedside manner, which says a lot. I am so grateful she was able to meet him today. Hes an example of all the qualities that should be present in a surgeon.
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Board Certification and Academic Information
Academic Departments Surgery -Primary Academic Divisions Cardiothoracic Surgery
Board Certification American Board of SurgeryNational Board of Medical ExaminersEducation history
Fellowship Cardiothoracic Surgery - University of Utah Spencer Fox Eccles School of Medicine Fellow General Surgery - Mayo Clinic College of Medicine & Science Chief Resident Residency General Surgery - Mayo Clinic College of Medicine & Science Resident Medicine - Mayo Medical School M.D. Undergraduate Biochemistry - Gonzaga University B.S. Selected Publications
Journal Article
- Contreras N, Litle VR (2022). Pulmonary Segmentectomy: Does Virtual Reality Have Bite? Ann Thorac Surg, 115(5), 1255-1256. (Read full article)
- Contreras N, Litle VR (2022). Follow the Leader? Can Malignant Pleural Mesothelioma Follow Non-small Cell Lung Cancer's Lead With Immunotherapy? Ann Thorac Surg, 114(5), e361. (Read full article)
- Contreras N, Litle VR (2022). Systemic Disease and the Impact on Esophageal Carcinoma Management: The Big Picture. Ann Thorac Surg. (Read full article)
- Contreras N, Litle VR (2022). Invited Commentary: COVID-19 and Cancer Casualty: Managing Esophageal Cancer. J Am Coll Surg, 235(2), 184-185. (Read full article)
- Liu S, Contreras N, Krezalek MA, Abd El Aziz MA, Merchea A, Kelley SR, Behm K (2022). Robotic transanal minimally invasive surgery: a single institutional experience. Updates Surg, 74(3), 1011-1016. (Read full article)
- Krezalek MA, Contreras-Peraza N, Parker ME, Kelley SR, Behm KT (2020). Hybrid Robotic Transanal Minimally Invasive Surgery Approach to Large and Low-Lying Rectal Polyps. Dis Colon Rectum, 63(7), 1001-1006. (Read full article)
- Contreras N, Jakub JW (2019). The achilles heel of minimally invasive inguinal lymph node dissection: Seroma formation. Am J Surg, 219(4), 696-700. (Read full article)
- Hernandez MC, Khasawneh M, Contreras-Peraza N, Lohse C, Stephens D, Kim BD, Zielinski MD (2019). Vaccination and splenectomy in Olmsted County. Surgery, 166(4), 556-563. (Read full article)
- Khasawneh MA, Contreras-Peraza N, Hernandez MC, Lohse C, Jenkins DH, Zielinski MD (2019). Outcomes after splenectomy in children: a 48-year population-based study. Pediatr Surg Int, 35(5), 575-582. (Read full article)
- Contreras N, Joyce DD, Van Handel AC, Farley DR (2015). Video voiceover feedback: economised surgical skills training. Med Educ, 49(11), 1146. (Read full article)
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News & Podcasts