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Vascular Surgeon-Scientist

Tammy T. Nguyen

Tammy T. Nguyen, MD, PhD

Assistant Professor of Surgery, Division of Vascular and Endovascular Surgery

Medical Director, Lower Extremity Wound Clinic, UMass Memorial Medical Center

Investigator, UMass Chan Diabetes Center of Excellence

The main focus of our lab is to understand why people with diabetes have a difficult time with wound healing, particularly foot ulcers.  She is interested in knowing why they are prone to infection.


A complete list of published work can be found in My Bibliography

MD/PhD Program - University of Utah School of Medicine

Focused on developing a translational research model for neurodegenerative disorders. Joined Dr. Janet Shaw’s laboratory, a leader in Saccharomyces cerevisiae mitochondrial dynamics and trafficking. By leveraging the Shaw lab expertise in mitochondrial movement, I was the first to demonstrate that mitochondrial movement and distribution defects lead to mammalian neuronal degeneration. 

Residency Program - UMass Chan Medical School

During my integrated vascular surgery residency training, I pursued research with a clinical focus to develop an understanding of clinically relevant questions in vascular surgery. My clinical research focused on both understanding the technical treatment challenges for aortic aneurysms, and diabetes.


  • American College of Surgeon/Society of Vascular Surgery Foundation NIH Research Career Development Grant (2023-27)
  • Clinical Investigator Mentored Research Training Grant K08 (2022-27)
  • Vascular Cures Wylie Scholar Award (2022-25)
  • Society of Vascular Surgery VISTA Pilot Project Grant (2022-24)
  • Vascular and Endovascular Surgery Society Early Career Award (2021-22)
  • Remillard Family Community Service Award (2021-22)

Lab Members

Haley Cirka

Haley Cirka

MD Candidate, UMass Chan Medical School

Bachelor of Arts, Skidmore College

My favorite thing about lab is being able to use my knowledge outside the classroom, making contributions to the scientific community’s understanding of disease processes, and building friendships with good-humored people.



Amruta Samant

Mai Ceesay

Rotating PhD Student, UMass Chan Medical School

Bachelor of Science, Biochemistry & Molecular Biology, University of Minnesota

I love being in the lab because we get to foster a sense of purpose and shared scientific exploration with collaborative and engaging team of wonderful people. The fact that we get to identify gaps, make hypotheses, perform hands-on experiments to test those hypotheses, and witness scientific breakthroughs is very exhilarating to me. 


Haley Cirka

Israt Jahan, PhD

Post-Doctoral Research Associate, Department of Surgery/Division of Vascular Surgery, UMass Chan Medical School

Bachelor of Science, Northern University Bangladesh
Masters of Science, Shimane University
Doctor of Philosophy, Shimane University

My favorite thing about lab is discovery and continuous learning of new things for scientific advancement. Sharing ideas to find out research problems and solutions.


Amruta Samant

Amruta Samant

Research Assistant, Department of Surgery/Division of Vascular Surgery, UMass Chan Medical School

Bachelor of Science, University of Mumbai
Masters of Science, Long Island University Brooklyn

My favorite thing about lab is brainstorming.  I enjoy discussions during lab meetings and executing those ideas into fruitful experiments.


Congratulations Amruta!

Tweets by @tammytnguyen