About
Sonya Merrill, MD, PhD, FACP practices as a physician at Cooper Clinic in Dallas. She holds a Doctor of Medicine, a Doctor of Philosophy, and fellowship status in the American College of Physicians. Her clinical work includes the diagnosis and treatment of sleep apnea, and she applies her expertise to helping patients address sleep-related health concerns that affect overall wellness.
Conditions Treated
Who is Dr. Merrill right for?
Dr. Sonya Merrill is a strong fit for patients dealing with sleep disturbances, including sleep apnea. Adults experiencing fatigue, disrupted sleep, or related symptoms benefit from her clinical focus. Patients who want a physician with both research depth and clinical expertise will find her dual doctorate background reassuring.
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Frequently Asked Questions
Dr. Merrill treats sleep-related conditions including sleep apnea. Her clinical focus includes diagnosing and managing sleep disturbances that affect patients' overall health and daily functioning.
Dr. Merrill holds a Doctor of Medicine and a Doctor of Philosophy. She also holds fellowship status in the American College of Physicians, a distinction reflecting her clinical expertise and contributions to internal medicine.
Adults who snore, wake frequently during the night, or experience persistent fatigue may benefit from seeing Dr. Merrill. She focuses on evaluating and treating sleep apnea and related conditions within the context of broader preventive health care.
Doctor profile last updated June 9, 2026