NOTICE: Dr. Leffingwell will see patients only in Midlothian, and Dr. Opeoluwa Daniyan has joined our practice. Dr. Leffingwell’s established patients in Mansfield or Arlington can transition to Dr. Daniyan upon request.

Opeoluwa Daniyan, M.D.

Meet Dr. Daniyan

Dr. Opeoluwa Daniyan is a board-certified physician at Cross Timbers ENT. She graduated from the University of Georgia with a major in microbiology and minor in Spanish and attended medical school at the Medical College of Georgia. She then completed her otolaryngology/head and neck surgery residency at Jackson Health System in Miami, FL.

Specialties and Expertise

Dr. Daniyan provides compassionate medical and surgical ear, nose, and throat care for children and adults and strives to treat her patients like family. She enjoys the full breadth of general ENT, including thyroid surgery, neck masses, and sinus and nasal surgery.


Dr. Daniyan's interests outside of ENT care include drawing, ping pong, shopping, traveling, and spending time with her husband, spunky daughter, and extended family.

Professional Memberships and Societies

Dr. Daniyan is associated with the following organizations:

  • American Academy of Otolaryngology – Head and Neck Surgery
  • Gold Humanism Honor Society
  • Association of Nigerian Physicians in North America