Dr. Sonya Leigh Merrill MD Internist

Dr. Sonya Merrill is an internist in Dallas, Texas and is affiliated with Medical City Dallas Hospital. She received her medical degree from Harvard Medical School and has been in practice for 14 years. She is one of 87 doctors at Medical City Dallas Hospital who specialize in Internal Medicine.

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Office Location

See Contact Information

Specialty & Clinical Interests

Internist: Sleep Medicine

Hospital Affiliation

Medical City Dallas Hospital

Education & Medical Training

University of Texas Southwestern Medical School
Residency, Psychiatry, 2000–2002

Presbyterian Hospital (Dallas TX)
Residency, Internal Medicine, 2003–2005

Harvard Medical School
Class of 2000

Certifications & Licensure

American Board of Internal Medicine
Certified in Internal Medicine

American Board of Internal Medicine
Certified in Sleep Medicine

TX State Medical License
Active through 2016


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