About
With expertise in Diagnostic and Interventional Radiology, Dr. Evan William Dedwydd Roberts provides crucial diagnostic insights to referring physicians. Practicing at medical imaging facilities in Sudbury, ON, he supports various clinical departments by delivering comprehensive radiology services. Dr. Roberts adheres to the standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring high-quality care for all patients requiring diagnostic imaging or image-guided procedures.
Dr. Roberts graduated with a Medical Degree from Memorial University of Newfoundland Faculty of Medicine in 1991. He has been practicing as a Radiologist since 1997, accumulating over 27 years of experience in medical imaging interpretation and interventional procedures. He is certified as a RCPSC Specialist, demonstrating his commitment to maintaining the highest professional standards and ongoing medical education in radiology.
His clinical philosophy emphasizes precision and clarity in diagnostic imaging, aiming to provide accurate results that support effective patient management. Dr. Roberts is dedicated to maintaining diagnostic accuracy within the Sudbury community and communicates fluently in English to ensure clear understanding with patients and healthcare colleagues.

- Ultrasound Interpretation (Sonography): Evaluation and reporting of diagnostic ultrasound images for assessing organs (e.g., liver, kidneys, thyroid, reproductive organs), blood flow, pregnancies, and musculoskeletal conditions.
- Bone Densitometry (DEXA) Scan Interpretation: Analyzing DEXA scans to measure bone mineral density, assess osteoporosis risk, and monitor treatment effectiveness.
- Mammography and Breast Imaging Interpretation: Expert review and reporting of mammograms (including tomosynthesis/3D mammography) and breast ultrasound for cancer screening, diagnosis, and follow-up.
- Fluoroscopy Procedure Interpretation: Interpreting real-time X-ray imaging (fluoroscopy) used during procedures like barium studies (GI tract), hysterosalpingograms, or to guide certain injections.
- Magnetic Resonance Imaging (MRI) Interpretation: Specialized analysis and reporting of MRI scans, providing detailed images of soft tissues, brain, spine, joints, abdomen, and pelvis without using ionizing radiation.
Note: This list provides an overview of common radiology services. Dr. Roberts interprets a wide range of medical imaging studies and/or performs procedures as indicated by your referring physician. Specific subspecialty services depend on the physician's focus and training.
All medical imaging services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO).
Dr. Roberts primarily practices at medical imaging facilities located in the Downtown Sudbury area, with additional services available in the Minnow Lake and Ramsey Lake neighborhoods. These facilities are conveniently situated near Ramsey Lake and the Idylwylde Golf & Country Club, making them easily accessible for patients in the region. The clinics are accessible via GOVA Transit (Greater Sudbury Transit), providing public transportation options. The facility is wheelchair accessible. Parking is available at the facility.
- Are imaging studies interpreted by Dr. Roberts covered by Ontario Health Insurance Plan (OHIP) in ON?
- Medically necessary diagnostic imaging studies interpreted by a Radiologist like Dr. Roberts are typically covered by Ontario Health Insurance Plan (OHIP) in ON when prescribed by your referring physician and performed at an accredited medical facility. Some advanced or specialized interventional procedures may also be covered. It's always best to confirm specific coverage details with Ontario Health Insurance Plan (OHIP) or the imaging clinic/hospital.
- Do I need a referral from my doctor to have an imaging study interpreted by Dr. Roberts?
- Yes, almost all diagnostic imaging tests (like X-rays, CT, MRI, ultrasounds) and interventional radiology procedures require a formal request or requisition from your family doctor, specialist, or other authorized healthcare provider. Dr. Roberts provides expert interpretation of these physician-ordered studies.
- Why might I need an injection of 'contrast' or 'dye' for my scan?
- Contrast material (often called 'dye', though it's usually clear) is a special substance that can be injected intravenously (or sometimes taken orally or rectally) to help certain organs, blood vessels, or tissues stand out more clearly on imaging exams like CT or MRI. It can help Dr. Roberts see abnormalities that might otherwise be hidden. Not all scans require contrast; it's used when it can provide important additional diagnostic information.
- What's the difference between an MRI and a CT scan?
- Both are advanced imaging tests, but they use different technologies. CT (Computed Tomography) scans use X-rays and a computer to create detailed cross-sectional images; they are excellent for bone, lungs, abdomen, and detecting acute bleeding. MRI (Magnetic Resonance Imaging) uses a powerful magnetic field and radio waves to create highly detailed images of soft tissues like the brain, spine, joints, and internal organs, without using ionizing radiation. Dr. Roberts or your referring doctor will determine which test is best for your specific medical question.
- How will I get the results of my imaging exam?
- After your imaging exam is completed, Dr. Roberts (or a colleague Radiologist) will carefully review the images and prepare a detailed report. This report is sent directly to the physician who ordered your test (your referring doctor). Your referring doctor will then discuss the results with you, typically at a follow-up appointment, and explain what they mean in the context of your overall health. Please allow a few business days for the report to reach your doctor.
Suite 208, 41 Ramsey Lake Road
Sudbury, ON P3E 5J1
Phone: (705) 522-2200
The facility is wheelchair accessible.
Dr. Roberts is a licensed physician regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Medicine Act, 1991 in ON. Imaging services are typically provided based on referrals from other physicians.
Verify registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Roberts-Evan-William-Dedwydd/0050181-64160