About Dr. William Barker, ACNP

William Barker, ACNP is a nurse practitioner that specializes in cardiology and electrophysiology at CHRISTUS Good Shepherd Heart & Vascular Institute in Longview, TX.

Medical Disclaimer: The information on this website is for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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