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Board Certification
American Board of SurgeryNational Board of Medical ExaminersPatient Rating
4.9 /5( out of 72 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. For the convenience of our visitors, some patient comments have been translated from their original language into English while preserving their original meaning as accurately as possible. Patients are de-identified for confidentiality and patient privacy.
January 24, 2025HUNTSMAN CANCER CENTERGreat first experience with Dr. Contreras. He made me feel comfortable, eased my mind and explained the next step.
December 24, 2024HUNTSMAN CANCER CENTERHe is an exceptional doctor and so hopeful and explaining everything.
December 24, 2024HUNTSMAN CANCER CENTERSo helpful
December 16, 2024HUNTSMAN CANCER CENTERHe is a kind caring Dr. I would recommend him to anyone!!
November 28, 2024HUNTSMAN CANCER CENTERHe could not have been more informative or more caring. Many of our questions were anticipated and all were answered. We have great confidence in relying on Dr. Contreras for my upcoming surgery.
November 22, 2024HUNTSMAN CANCER CENTERDr Contreras was amazing! Best Doctor I have ever seen. Highly recommend.
November 17, 2024HUNTSMAN CANCER CENTERDr Contreras is a skilled surgeon. He explain the procedure with clarity and made me feel comfortable submitting to a big procedure.
November 15, 2024HUNTSMAN CANCER CENTERDr. Contreras was not only professional and capable but you could also tell that he genuinely cared.
November 09, 2024HUNTSMAN CANCER CENTERAmazing dr., very knowledgeable, skilled and caring.
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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 - Ï㽶ÊÓƵ of Utah Spencer Fox Eccles School of Medicine Fellow Chief Resident General Surgery - Mayo Clinic College of Medicine & Science Chief Resident Residency General Surgery - Mayo Clinic College of Medicine & Science Resident Professional Medical Medicine - Mayo Medical School M.D. Undergraduate Biochemistry - Gonzaga Ï㽶ÊÓƵ 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. ()
- 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. ()
- Contreras N, Litle VR (2022). Systemic Disease and the Impact on Esophageal Carcinoma Management: The Big Picture. Ann Thorac Surg. ()
- Contreras N, Litle VR (2022). Invited Commentary: COVID-19 and Cancer Casualty: Managing Esophageal Cancer. J Am Coll Surg, 235(2), 184-185. ()
- 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. ()
- 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. ()
- Contreras N, Jakub JW (2019). The achilles heel of minimally invasive inguinal lymph node dissection: Seroma formation. Am J Surg, 219(4), 696-700. ()
- 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. ()
- 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. ()
- Contreras N, Joyce DD, Van Handel AC, Farley DR (2015). Video voiceover feedback: economised surgical skills training. Med Educ, 49(11), 1146. ()