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Barbara L. Seifert, M.D., P.C.

Pediatric Cardiology Physician

285 Middle Country Road, Smithtown, NY 11787

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June 2026

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Contact information

Phone(631) 979-4541

Address285 Middle Country Road

Office hours

Monday, Friday: 9:00 AM, 5:00 PM

Saturday: Closed

Sunday: Closed

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Disclaimer: The information on this page is provided for general informational purposes and is not medical advice. Heallexa does not endorse any specific provider, treatment, or procedure. Always consult a qualified healthcare professional for medical questions and verify credentials, licensure, and availability directly with the provider before scheduling care.