Dr. Guillermo Alfredo Walters MD Radiologist

Dr. Guillermo Walters is a radiologist in Leominster, Massachusetts and is affiliated with multiple hospitals in the area, including Health Alliance Hospitals and UMass Memorial Medical Center. He received his medical degree from SUNY Buffalo School of Medicine and Biomedical Sciences and has been in practice for 26 years. He is one of 5 doctors at Health Alliance Hospitals and one of 45 at UMass Memorial Medical Center who specialize in Radiology.

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Office Location

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Specialty & Clinical Interests

Radiologist: Neuroradiology

Education & Medical Training

U MA Memorial Healthcare - Memorial Campus
Residency, Internal Medicine, 1988–1989

University of Massachusetts
Residency, Radiology, 1989–1993

Brigham and Women's Hospital
Fellowship, Neuroradiology, 1993–1995

SUNY Buffalo School of Medicine and Biomedical Sciences
Class of 1988

Certifications & Licensure

American Board of Radiology
Certified in Diagnostic Radiology

American Board of Radiology
Certified in Neuroradiology

NY State Medical License
Active through 2013

MA State Medical License
Active through 2014


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