About
Alison H. Sibley, MD, FACP practices Internal Medicine at North Texas Preferred Health Partners. She holds the distinction of Fellow of the American College of Physicians.
Certifications
Who is Dr. Sibley right for?
Dr. Sibley is a strong fit for adults seeking dedicated internal medicine care. Patients managing complex or chronic conditions benefit from her clinical focus. Her FACP designation reflects a high level of expertise in internal medicine.
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Frequently Asked Questions
Dr. Sibley specializes in Internal Medicine. She focuses on the diagnosis and management of conditions affecting adults. Her training and credentials reflect a deep commitment to this specialty.
Dr. Sibley holds the Fellow of the American College of Physicians (FACP) designation. This distinction recognizes physicians who demonstrate excellence and expertise in internal medicine.
Dr. Sibley primarily sees adult patients with internal medicine needs. She is well-suited for patients managing chronic conditions who want a physician with strong clinical credentials.
Dr. Sibley practices at North Texas Preferred Health Partners, which operates locations across the Dallas-Fort Worth region including Dallas, Plano, Frisco, Las Colinas, Park Cities, Walnut Hill, and Austin.
North Texas Preferred Health Partners uses the eClinicalWorks patient portal. Members use the portal to manage appointments, review records, and communicate with the care team.
Dr. Sibley specializes in Internal Medicine, which focuses on adult care. The practice does offer pediatric services for patients ages 6 and up at the Frisco and Plano locations.
Doctor profile last updated March 21, 2026