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All of our physicians have the highest level of certification from the American Board of Medical Specialties: the Certificate of Added Qualifications in Vascular and Interventional Radiology.


Luke E. Sewall, MD

Dr. Sewall received his medical degree from Johns Hopkins University in Baltimore, where he also completed an internship in surgery. He completed residency training at the University of Wisconsin followed by a fellowship in interventional radiology at the Charles Dotter Institute of Interventional Therapy of the Oregon Health Sciences University. He is certified by the American Board of Radiology, and holds a Certificate of Added Qualification in Interventional Radiology.

His special areas of interest include non-surgical placement of Endovascular Grafts – which can replace some types of bypass surgery. He is experienced at other interventional radiology techniques, such as procedures to open clogged blood vessels (peripheral arterial disease), treat blood clots or stop bleeding without the risks associated with open surgery, minimally invasive cancer treatment, and UFE. Dr. Sewall is a member of several professional societies, including the Radiologic Society of North America, the American Roentgen Ray Society, the Society of Interventional Radiology and the American Medical Association.

He has authored and co-authored numerous articles, scientific exhibits and book chapters.  He has participated in research involving aneurysm repair, deep vein clotting, spine fracture repair, and other image guided procedures.

Dr Sewall has been designated as a “Top Doctor” for Chicago 2012 by Castle Connolly, and Chicago Magazine.



Steven J. Smith, MD

Dr. Smith is a pioneer in performing uterine fibroid embolization (UFE), and an active participant in research studies and clinical trials to validate the safety and efficacy of UFE as a treatment for uterine fibroids.

He and his colleague Dr. Sewall were among the first interventional radiologists in the nation to complete specialty training in the procedure. In April 1998, Dr. Smith and the Interventional Radiology team at La Grange Memorial Hospital performed the Midwest’s first Uterine Artery Embolization procedure as a treatment of uterine fibroids. Since then, hundreds of women have been treated with UFE by Dr. Smith and his colleagues. Their practice is recognized as one of the nation’s leading centers for the treatment of uterine fibroids. Dr Smith’s other special interests include varicocele embolizationperipheral arterial disease, non surgical repair of spine fractures and minimally invasive treatment of chronic pelvic pain in women.

Dr. Smith earned his medical degree from Wayne State University School of Medicine in Detroit. He served his internship and residency in Radiology at the Henry Ford Hospital, also in Detroit. He then completed a fellowship in Interventional Radiology and in CT/Ultrasound at Northwestern University Medical School, Chicago, where he served as Clinical Associate Professor in Diagnostic Radiology for 25 years.

Dr. Smith has been selected as one of Chicago’s Top Doctors by Chicago Magazine in 2004-2012, and was named one of America’s Top doctors by Castle Connoly’s guide and Consumer Reports.  He is a “top 1%” in his field physician as selected by US News and World Report.



Athanasios Vlahos, MD

Dr. Vlahos completed his medical school training at the University of Illinois College of Medicine in Peoria, Illinois. He completed his Radiology residency training and his interventional radiology training at the University of Illinois OSF Saint Francis Medical center in Peoria, Illinois. He is a member of the society of Interventional Radiology, the Radiologic Society of North America, and the American College of Radiology. Dr Vlahos is board-certified in diagnostic radiology, and vascular and interventional radiology.

His special areas of interest include minimally invasive treatment of peripheral arterial disease, treatment of cosmetic and medical (painful) varicose vein disease, and interventional oncology (minimally invasive cancer treatment). He has participated in scientific studies involving spine fracture repair, minimally invasive cancer treatment, Pulmonary embolism and IVC filters.



Frank Facchini, MD

Dr. Facchini is a board-certified physician in Interventional Radiology Dr. Facchini received his medical degree from Loyola University Stritch School of Medicine. He completed an internship in surgery at the University of Chicago. He completed residency training followed by a fellowship in interventional radiology at Northwestern University. He is certified by the American Board of Radiology, and holds a Certificate of Added Qualification in Interventional Radiology.

Dr. Facchini is a member of several professional societies, including the Radiologic Society of North America, the American Roentgen Ray Society, the Society of Interventional Radiology and the American Medical Association.

His special areas of interest is minimally invasive image guided treatment of cancer (interventional oncology).  He maintains an academic appointment as a Clinical Associate Professor of Radiology at Northwestern University and has authored and co-authored numerous articles, scientific exhibits and book chapters.  He is actively involved in cancer research, and founded our Y-90 liver cancer treatment program, one of the largest of its kind in the Midwest.   Dr Facchini also has lead a research project to investigate a new devices to repair spine fractures non-surgically, and another to repair aortic aneurysms.

Recently, Dr Fachini had been elected a Fellow of the Society of Interventional Radiology, and was appointed as Development Chair of its Foundation.



Michael Sichlau, MD

Dr. Michael Sichlau is a board-certified interventional radiologist, who has been in practice since 1999. He has worked with thousands of patients with a wide variety of conditions that can be treated with Interventional Radiology. Dr. Sichlau has authored numerous publications and lectures, and he regularly trains other physicians in various Interventional Radiology techniques.

Dr. Sichlau received his MD degree from the Northwestern University Feinberg School of Medicine in 1994, and completed his diagnostic radiology residency at the Western Pennsylvania Hospital in Pittsburgh, PA. He completed his fellowship in Vascular and Interventional Radiology at Northwestern University. He is board-certified in diagnostic radiology, and holds a Certificate of Added Qualification in Vascular and Interventional Radiology. He is also a Registered Vascular Technologist, and Registered Physician in Vascular Interpretation certified by the American Registry of Diagnostic Medical Sonographers.

In addition to general Interventional Radiology, Dr. Sichlau has specific interest in interventional oncology, which applies Interventional Radiology techniques to treating many types of cancer. Dr. Sichlau also has extensive experience in treating varicose vein disorders and vertebral compression fractures. Professional society memberships include the Society of Interventional Radiology, American Society of Clinical Oncology, and American College of Phlebology.  He is the leader in our practice for research into deep vein thrombosis treatment, via his involvement with the ongoing multicenter ATTRACT trial.

Dr. Sichlau is an Assistant Professor at the Loyola University Stritch School of Medicine. Aside from numerous publications, lectures, and book chapters, Dr. Sichlau is a reviewer for the Journal of Vascular and Interventional Radiology.

 



Ketan Amin, MD

Dr Ketan Amin is a graduate of Illinois Wesleyan university. He attended SIU Medical School, and did his Radiology residency at Illinois Masonic Medical center. He received his interventional radiology fellowship training at William Beaumont Hospital in Royal Oak Michigan. He is board certified in Diagnostic Radiology, and has a Certificate of Added Qualification in Vascular and Interventional Radiology.

Dr Amin has published and presented research about deep vein thrombosis at the annual Society of Interventional Radiology conference. He is interested in non surgical treatment of deep vein thrombosis, as well as interventional oncology, and uterine fibroid embolization. He also has a special interest in non-surgical treatment of vertebral fractures.
Dr Amin is a member of the Society of Interventional Radiology, American College of Radiology, and the Radiological Society of North America.



George Behrens, MD

Dr Behrens trained in diagnostic radiology at the University of Caracas, in his home country of Venezuela. He completed a surgery internship at Rush University Medical Center in Chicago, then a year of fellowship in interventional radiology at Rush. He is Board certified in radiology by the ABR.

Dr Behrens is trained in interventional oncology (image guided treatment of cancer), and has a particular interest in non-surgical treatment of liver disease. He has done research in non-surgical treatment of portal hypertension during his fellowship. He has been the author of numerous research papers and book chapters on liver disease, arterial disease, and venous conditions.



Quinn Thalheimer, PA

Quinn Thalheimer is a Physician Assistant working alongside the physicians of VIR. He graduated from Purdue University with a degree in Health Sciences, and a minor in psychology. He holds a Paramedic degree from AS School of Medicine. He graduated from the physician assistant program at Midwestern University.

Quinn’s experience includes work as a physical therapy assistant, and a tour as an EMT-paramedic. He is certified in advanced cardiac life support and pediatric advanced life support. He holds an Illinois Physician Assistant license, and works closely with our doctors in providing the highest level of patient care.



Mary McRaven, PA-C

Mary McRaven, P.A.  received her bachelor of science degree at UIC.  She went on to get a Master of Science in clinical laboratory sciences at Rush and a Master of Medical Science in Physician Assistant Studies at Northwestern University, graduating in May 2012.

Mary’s work and training experience includes work in surgery, pediatrics and other medical specialties.   She is fluent in three languages, English, Spanish and Polish.

Mary  Is a licensed Physician Assistant in Illinois.  She is certified in advanced cardiac life support, and is board certified by the National Commission on Certification of Physician Assistants (NCCPA).  She has also done work in plastic surgery. She joined our practice in 2012, and is an excellent addition to our staff.

She is a member of the Society of Interventional Radiology, American Academy of Physician Assistants (AAPA), and the Illinois Academy of Physician Assistants (IAPA).