Find a Top Radiologist Near Me in Aurora, CO – Book an Appointment Instantly

Richard Bellon, MD, is one of the board-certified neurointerventional surgeons practicing at RIA Neurovascular, in Englewood, Colorado. In addition to his board certification by the American Board of Radiology, he also has a certificate of added qualifications in neuroradiology. 

Dr. Bellon earned his Doctor of Medicine at the renowned Case Western Reserve School of Medicine, in Cleveland. He served his internship at MetroHealth Medical Center in Cleveland before completing his diagnostic radiology residency at the University of Arizona, in Tucson. Dr. Bellon also completed prestigious fellowship programs in diagnostic neuroradiology at Stanford University in Palo Alto, California, and interventional neuroradiology at Massachusetts General Hospital, in Boston. 

Dr. Bellon has also contributed to many articles in peer-reviewed journals and publications. He is a senior member of the Society of Neurointerventional Surgery and the American Society of Neuroradiology. 

Dr. Bellon focuses on minimally invasive endovascular treatments for cerebral aneurysms, arteriovenous malformations (AVMs), dural fistula, and stroke. He offers a patient-focused approach and takes time to answer questions and ensure his patients understand their conditions and treatment options. 

Medical School:  Duke University School of Medicine – Durham, NC

Internal Medicine: Christiana Care Health Services – Newark, DE

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

Breast Imaging: Harvard Medical School, Massachusetts General Hospital – Boston, MA

American Board of Radiology 2013

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

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: Northwestern University Feinberg School of Medicine - Chicago, IL 

Internal Medicine: AMITA Presence St. Joseph Hospital, Chicago - IL 

Diagnostic Radiology: University of Chicago, Chicago - IL 

Breast Imaging: Northwestern McGaw Medical Center - Chicago

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

Transitional: St. Luke’s Medical Center – Denver, CO

Radiology: Massachusetts General Hospital – Boston, MA

Abdominal Imaging and Interventional Radiology:  Massachusetts General Hospital – Boston, MA

Musculoskeletal Radiology:  Massachusetts General Hospital – Boston, MA

American Board of Radiology 2009

Medical School: University of Texas Medical School at Houston, Houston,TX

Internal Medicine: Texas A&M University Health Science Center – Scott & White Hospital, Temple, TX

Diagnostic Radiology: University of Texas Health Science Center at Houston, Houston, TX

Cardiothoracic Radiology: National Jewish Health/University of Colorado, Denver, CO

American Board of Radiology 2015

Tufts University School of Medicine, Boston, MA 2006 – 2010
M.D., Doctor of Medicine

St. Luke’s – Roosevelt Hospital Center, New York, NY 2010 – 2011 Columbia University College of Physician and Surgeons
Internal Medicine Preliminary Year Internship

Boston University Medical Center, Boston, MA 2011 – 2015
Diagnostic Radiology Residency

Stanford University Medical Center, Stanford, CA 2015 – 2017 Diagnostic Neuroradiology Fellowship

American Board of Radiology 2015

Medical School: Oregon Health & Science University – Portland, OR

Radiology Resident: Duke University Medical Center, Durham, NC

Chest & Body Radiology: Duke University Medical Center, Durham, NC

American Board of Radiology 2021

Medical School:  Case Western School of Medicine – Cleveland, OH

Tufts University, Caritas Carney Hospital – Dorchester, MA

Radiology: Northwestern University McGaw Medical Center – Chicago, IL

Breast Imaging: Northwestern University Lynn Sage Comprehensive Breast Center – Chicago, IL

American Board of Radiology 2011

Medical School:  Texas A&M University – College Station, TX

Combined Radiology Internship: Baylor University Medical Center – Dallas, TX

Diagnostic Radiology: Baylor University Medical Center – Dallas, TX

Musculoskeletal: Hospital of the University of Pennsylvania – Philadelphia, PA

American Board of Radiology 2000

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

Transitional Internship: AMI Presbyterian / St. Luke’s – Denver, CO

Diagnostic Radiology: Northwestern University School of Medicine – Chicago, IL

Body Imaging: University of Colorado Health Sciences Center – Denver, CO

American Board of Radiology 1993

Medical School: New York University School of Medicine – New York, NY

Department of Medicine: Case Western Reserve University – Cleveland, OH

Department of Radiology: Case Western Reserve University – Cleveland, OH

Department of Radiology: Harvard Medical School, Massachusetts General Hospital – Boston, MA; Abdominal Imaging and Intervention 2003

Department of Radiology: Harvard Medical School, Massachusetts General Hospital – Boston, MA; Cardiothoracic Imaging 2002

American Board of Radiology 2001

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 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 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: 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 at Buffalo School of Medicine – Buffalo, NY

Internal Medicine: University at Buffalo School of Medicine Catholic Health System – Buffalo, NY

Diagnostic Radiology: University of Miami, Jackson Memorial Hospital – Miami, FL

Neuroradiology: UCSF Neuroradiology – San Francisco, CA

American Board of Radiology