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Medical School:  Washington University Medical School – St. Louis, MO

Diagnostic Radiology: Vanderbilt University Medical Center – Nashville, TN

Magnetic Resonance Imaging: Northwestern University Medical School – Chicago, IL

Visiting Fellow: Hospital for Special Surgery, Cornell University Medical School – New York City, NY

Visiting Fellow: Skeletal Radiology Section, Mayo Clinic – Rochester, MN

American Board of Radiology 1992

Medical School:  Washington University School of Medicine – St. Louis, MO

MA, Cell Biology: Washington University – St. Louis, MO

Transitional: St. Johns Mercy Medical Center – St. Louis, MO

Radiology: University of California School of Medicine – Los Angeles, CA

National Cancer Institute Fellow in Body Imaging:  Stanford University – Palo Alto, CA

American Board of Radiology 1997

University of Texas Medical Branch, School of Medicine - Galveston, TX

Washington Hospital Center, Department of Surgery - Washington, DC

Radiology: Hartford Hospital, Department of Radiology - Hartford, CT

Neuroradiology: Johns Hopkins Hospital, Division of Neuroradiology - Baltimore, MD

American Board of Radiology – Diagnostic Radiology  2012
American Board of Radiology – Neuroradiology Subspecialty 2014

Medical School:  University of Cincinnati College of Medicine – Cincinnati, OH

Internal Medicine: Rush-Presbyterian-St. Luke’s Medical Center – Chicago, IL

Diagnostic Radiology: Tulane University Medical Center – New Orleans, LA

Neuroradiology/Endovascular Surgical Neuroradiology: Mallinckrodt Institute of Radiology,

Washington University – St. Louis, MO

American Board of Radiology 1994

Certificate of Added Qualifications in Neuroradiology 1996

Donald Frei, MD, is one of the board-certified neurointerventional surgeons at RIA Neurovascular in Englewood, Colorado. 

Dr. Frei earned his Doctor of Medicine at the University of Cincinnati College of Medicine, in Cincinnati, Ohio. He served his internship at Rush-Presbyterian-St. Luke's Medical Center in Chicago, before continuing his training with a diagnostic radiology residency at Tulane University Medical Center in New Orleans. 

Dr. Frei went on to complete rigorous fellowship training in neuroradiology / endovascular surgical neuroradiology at Washington University's Mallinckrodt Institute of Radiology in St. Louis. Dr. Frei has also contributed to several articles in peer-reviewed journals. In addition to his certification through the American Board of Radiology, he also has a certificate of added qualifications in neuroradiology.

He provides a wide range of neurointerventional services and has specific interest in the endovascular treatment of acute stroke, intracranial aneurysms, and extracranial revascularization techniques. He also offers minimally invasive procedures, including catheter-directed stroke intervention, angioplasty, stent revascularization, and treatments for cerebral aneurysms and arteriovenous malformations (AVMs).

Medical School:  University of Michigan – Ann Arbor, MI

Duke University School of Medicine – Durham, NC

Diagnostic Radiology: Duke University School of Medicine – Durham, NC

Pediatric Radiology: Duke University School of Medicine – Durham, NC

American Board of Radiology 2011

Certificate of Added Qualification in Pediatric Radiology 2013

Medical School: Johns Hopkins University School of Medicine – Baltimore, MD

Diagnostic Radiology: Harvard Medical School, Massachusetts General Hospital – Boston, MA

Musculoskeletal Imaging & Intervention: Harvard Medical School, Massachusetts General Hospital – Boston, MA

Abdominal Imaging & Intervention: Harvard Medical School, Massachusetts General Hospital – Boston, MA

American Board of Radiology 2012

Medical School:  University of South Florida – Tampa, FL

MBA: The Goizueta Business School, Emory University – Atlanta, GA

Internal Medicine: Massachusetts General Hospital – Boston, MA

Diagnostic Radiology: Massachusetts General Hospital – Boston, MA

One year Fellow-equivalent training in Neuroradiology – Massachusetts General Hospital – Boston, MA

Pediatric Radiology: The Children’s Hospital – Denver, CO

American Board of Radiology 2005

Certification of Added Qualification, Pediatric Radiology 2009

Medical School: Midwestern University / Chicago College of Osteopathic Medicine – Downer’s Grove, IL

Internal Medicine: Midwestern University / Franciscan St. James Health – Olympia Fields, IL

Diagnostic Radiology: Midwestern University / Franciscan St. James Health – Olympia Fields, IL

Musculoskeletal Imaging: Mayo Clinic – Rocherster, MN

Breast Imaging: Mallinckrodt Institute of Radiology / Washington University in St. Louis – St. Louis, MO

American Osteopathic Board of Radiology

Medical School:  University of Florida College of Medicine, Junior Honors Medical School – Gainesville, FL

Internal Medicine: Mallinckrodt Institute of Radiology, Washington University Medical Center – St. Louis, MO

Diagnostic Radiology: Mallinckrodt Institute of Radiology, Washington University Medical Center – St. Louis, MO

Pediatric Radiology: Mallinckrodt Institute of Radiology / St. Louis Children’s Hospital, Washington University Medical Center – St. Louis, MO

American Board of Radiology 1996

Certificate of Added Qualification in Pediatric Radiology 1998, 2008

Medical School: Eastern Virginia Medical School – Norfolk, VA

Surgery: University of Alabama – Birmingham, AL

Diagnostic Radiology: University of Alabama – Birmingham, AL

Abdominal Imaging: Presbyterian Hospital, University of Pittsburgh – Pittsburgh, PA

American Board of Radiology 2002

Medical School:  University of Texas Southwestern Medical Center – Dallas, TX

Internal Medicine:  Baylor University Medical Center – Dallas, TX

Diagnostic Radiology: Baylor University Medical Center – Dallas, TX

MR Predominant Body Imaging & Musculoskeletal: Northwestern University Feinberg School of Medicine – Chicago, IL

Medical School: Dartmouth Medical School – Hanover, NH

Internal Medicine: William Beaumont Army Medical Center – El Paso, TX

Diagnostic Radiology: San Antonio Uniformed Services Health Education Consortium – San Antonio, TX

Research Fellowship: Ohio State University Heart Lung Institute – Columbus, OH

American Board of Radiology 2008

Medical School:  Yale University School of Medicine – New Haven, CT

Law School:  Suffolk University Law School – Boston, MA

Diagnostic Radiology: The Cleveland Clinic Foundation – Cleveland, OH

Breast Imaging: The Cleveland Clinic Foundation – Cleveland, OH

American Board of Radiology 2009

Medical School: University of Missouri-Kansas City School of Medicine – Kansas City, MO

Transitional Internship: William Beaumont Hospital – Royal Oak, MI

William Beaumont Hospital – Royal Oak, MI

Neuroradiology: University of Colorado

Aurora, CO

American Board of Radiology 2018

Medical School:  Washington University School of Medicine – St. Louis, MO

M.A., Physics:  Washington University – St. Louis, MO

Transitional: St. John’s Mercy Medical Center – St. Louis, MO

Diagnostic Radiology: Mallinckrodt Institute of Radiology, Washington University – St. Louis, MO

Abdomen MRI: Mallinckrodt Institute of Radiology, Washington University – St. Louis, MO

Medical School: Creighton University School of Medicine, Omaha, NE

Internal Medicine: University of Missouri Kansas City – Kansas City, MO

Diagnostic Radiology: University of Colorado Health Sciences Center – Denver, CO

Cross-Sectional Imaging: Mayo Clinic – Rochester, MN

American Board of Radiology 2003

Medical School: University of Colorado School of Medicine – Aurora, CO

Internal Medicine: Basset Medical Center – Cooperstown, NY

Diagnostic Radiology: University of Colorado – Aurora, CO

Interventional Radiology: Mayo Clinic – Rochester, MN

Medical School:  University of California School of Medicine – Los Angeles, CA

University of Texas Medical Branch – Galveston, TX

Internal Medicine: Cedars-Sinai Medical Center – Los Angeles, CA

Diagnostic Radiology: University of California School of Medicine – Los Angeles, CA

Neuroradiology: Barrow Neurological Institute – Phoenix, Arizona

American Board of Radiology 1994

Added qualifications in Neuroradiology 1996

Added qualifications in Interventional Radiology 1999