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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.June 22, 2024HUNTSMAN CANCER CENTERHe was very attentive and listened to all my questions as well as answered each one and reassured me about everything. Very caring. He also said he'd make sure that we would stay due to my particular situation until everything was taken care of properly.
June 21, 2024HUNTSMAN CANCER CENTERThank you for taking the time to explain everything. We left with the information we need to make a good decision.
June 16, 2024HUNTSMAN CANCER CENTERI explained it earlier, Dr. Contreras, and all the staff I talked to were all very personable, down to earth and easy to talk to. They talked with and to me, not at me. Dr. Contreras, Sara, Np. and Talmage all seemed to.be the kind to say " Hi [NAME REMOVED]" if I ran into them on the street. That means more to me than anything else. They truly made me feel comfortable and as if they're really concerned for my well being and helping me to have a better quality of life!
June 15, 2024HUNTSMAN CANCER CENTERI Really Like him, he explained everything so I understood exactly what was happening and what care we will proceed with! I really like him!!
June 15, 2024HUNTSMAN CANCER CENTERVery kind, he has an amazing talent to treat his patients.. very human..
May 25, 2024HUNTSMAN CANCER CENTERThis is my first time seeing him, I¿m really impressed by him he is exceptional!
May 11, 2024HUNTSMAN CANCER CENTERDr. Contreras was great! He has a very good bedside manner, personable,& thorough. He explained what was going to take place with surgery & recovery! If I should have to have additional surgery in the future, my choice of surgeons is Dr. Contreras.
April 12, 2024HUNTSMAN CANCER CENTERDr. Contreras is a very empathetic, caring doctor. He does a great job explaining health concern, options, and procedures in a way I can understand. He takes his time, is listens to my thoughts about my health.
April 12, 2024HUNTSMAN CANCER CENTERDr Contreras is a great guy good doctor gives you all options explains in layman¿s terms very caring about you
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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)