Dr. McWilliams is a board-certified practitioner in Family Practice and Phlebology, holding certification from the American Board of Venous and Lymphatic Medicine.
Dr. McWilliams' journey into vein disease care began during his residency, sparked by the limited treatment options for venous insufficiency patients. Throughout his years in Family Practice, his dedication to finding effective treatments for his venous disease patients has remained steadfast. He is an active member of the American Vein and Lymphatic Society and the American Academy of Family Physicians.
What Our Patients Are Saying
Friendly staff, and go into depth everything that's going to be done, very knowledgeable as well, know what there talking about!
I had an outstanding experience at the clinic recently. From the moment I walked in, the staff was warm, professional, and attentive. After a very thorough ultrasound the doctors explained ...
Very friendly staff and Dr McWilliams truly cares about his patients!
EVERY ONE IS VERY KIND AND FRIENDLY PROFESSIONAL THEY MAKE YOU FEEL VERY WELCOME DR. MCWILLIAMS IS VERY NICE EXPLAINS EVERYTHING IN DETAIL IM HAVING PROCEDURES NEXT WEEK 😊 I TRULY ...
Have not had the procedure yet, only the ultrasound, but was very happy with how fast I was able to get an appointment and how professional everyone was. Dr. McWilliams ...
Latest News
From the Blog
Here’s Why You Should Have Vein Treatment Before Holiday Travel
The holiday season often means lots of time on your feet and hours spent sitting on planes or in cars.  Chronic venous insufficiency and varicose veins can worsen with prolonged sitting or inactivity, potentially leading to unhappy holidays. At McWilliams Vein Center in Naperville, IL, board-certified vein specialist Dr. Sean McWilliams reminds patients that treating vein disease before travel isn’t just about comfort—it’s about protecting your health. […]
How Are Surface and Foam Sclerotherapy Different?
Sclerotherapy is one of the most effective minimally invasive treatments for spider veins and varicose veins. At McWilliams Vein Center, Dr. Sean McWilliams is a board-certified phlebology specialist who has been exclusively treating vein disease since 2006. Our practice is recognized for providing comprehensive vein care tailored to each patient’s individual needs. Sclerotherapy is one of the treatments Dr. McWilliams performs most frequently, […]