Claire Vargo.

O’FALLON, Ill. – Prairie Cardiovascular and HSHS Medical Group welcome Claire Vargo, APRN, FNP-C, to the cardiology team at 3 St. Elizabeth Blvd., Suite 1800, in O’Fallon. She joins the practice with a patient-centered philosophy focused on clear communication, collaboration and education. She is accepting new patients.

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As a board-certified family nurse practitioner specializing in cardiology, Vargo brings extensive experience in cardiovascular intensive care and the management of complex heart conditions. She is dedicated to helping patients understand their cardiovascular health and make informed decisions about their care.

She earned a Master of Science in nursing from Maryville University in St. Louis, graduating with honors, and a Bachelor of Science in nursing from Chamberlain College of Nursing in Chicago. Committed to professional growth, she remains engaged in ongoing education to stay current with advances in cardiology and patient care.


To learn more about the doctors of Prairie Cardiovascular at 3 St. Elizabeth Blvd. in O’Fallon, call 618-233-6044 or visit hshs.org/heart.

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