SigfredoVillarin-AyalaJr.MD

Trauma Surgery & Surgical Critical Care

SCC/Trauma Fellow

Dr. Villarin-Ayala is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

Office
Banner - University Medical Center Tucson
1625 N Campbell Ave
Tucson, AZ 85719
Phone+1 661-505-5637

University of Arizona College of MedicineFellowship, Acute Care Surgery-AAST, 2024 - 2025
University of Arizona College of Medicine-TucsonFellowship, Surgical Critical Care, 2023 - 2024
The MetroHealth System/Case Western Reserve UniversityResidency, Surgery, 2021 - 2023
Case Western Reserve University/University Hospitals Cleveland Medical CenterResidency, Surgery, 2018 - 2021
Ponce Health Sciences University School of MedicineClass of 2018, MD

PubMed

What if You Need More Than One? More Acute Care Surgery Procedures Are Associated with Mortality.
Sigfredo Villarin, J Alford Flippin, Wyatt P Bensken, Eric Curfman, Christopher W Towe
Surgical Infections. 2022-08-01
2 citations
Impact of patient position on coronal Cobb angle measurement in non-ambulatory myelodysplastic patients.
Norman Ramirez, Jorge Padilla, Sigfredo Villarin, Francisco Irizarry, Ivan Iriarte
European Journal of Orthopaedic Surgery & Traumatology. 2019-01-01

Journal Articles

Thoracic Insufficiency Syndrome: An Overview
Ramirez N., Villarin S., Ritchie R., Thompson K., Razavi International Journal of Medicine, 10/2015

Abstracts/Posters

Endovascular Revascularization Superior to Major Amputation in Non-Ambulatory Patients with Ulceration and Gangrene
5. Dominguez RS., Ramirez-Vazques J., Villarin-Ayala S., Iriarte I., Martinez-Trabal J, Journal of Vascular Surgery, 2016

Research Biologist/ High performance of algae-oil extraction: The effect of azeotropic mixtures on cell wall penetrationI worked with Dr. Tulio Chavez to extract oil from algae using a mixture of alcohol and acetone for development of an alternative fuel source.2012 - 2014