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Doctorate of Medicine, Chicago Medical School


MacNeal Family Practice


American Board of Family Practice


American Vein and Lymphatic Society

American Academy of Family Physicians

American Medical Association

Chicago Medical Society

Illinois State Medical Society


About Sean McWilliams, M.D.

Sean McWilliams, M.D., is board-certified in family practice with more than 20 years of experience. He has specialized training in the diagnosis and treatment of varicose vein disease and related disorders. At USA Vein Clinics, he specializes in vein disease treatment options, including ultrasound-guided foam sclerotherapy and endovenous thermal ablation. He received his medical degree from the Chicago Medical School at Rosalind Franklin University in North Chicago, IL. Dr. McWilliams served his residency at the MacNeal Family Practice and is board-certified in family practice. He is a member of the American Vein and Lymphatic Society, the American Academy of Family Physicians, American Medical Association, the Chicago Medical Society, and the Illinois State Medical Society.

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