Ear, Nose, and Throat Specialists Arlington, TX

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.

Expert Sinus & Allergy Treatment

Sinus Services

Comprehensive allergy care

Allergy Testing

Advanced hearing aids

Our devices

Welcome to

Cross Timbers ENT

Our premier ENT practice provides personalized care to patients of all ages. We specialize in the diagnosis and treatment of conditions that compromise the health and function of the ear, nose, and throat. Our board-certified providers emphasize excellence, safety, and compassion at every step of your treatment. When you visit Cross Timbers ENT, you’ll experience the difference in the quality and expertise of our service. Whether you are battling chronic ear infections, debilitating allergies, hearing loss, or sleep apnea, we can identify the root cause of your condition so you can receive the care you need. Contact any one of our North Texas locations in Arlington, Midlothian, or Mansfield, TX today.

About Us

Our Services

Our Team

About Our Team

The Cross Timbers ENT team has some of the best professionals in North Texas. Our doctors, physician assistants, audiologists, allergy specialists, and support staff are committed to you. Together, we work earnestly to discover the underlying cause of your concerns to manage chronic diseases and reduce discomforting symptoms. We want you to enjoy life to the fullest without being bombarded by crippling conditions, like sinus pressure, tinnitus, thyroid disease, and neck cancer. We are honored to be serving Tarrant County families with distinguished ear, nose, and throat care.

Meet Our Team


"I'm a first time patient and was very impressed with the staff and Dr. Daniyan. Everyone was professional and courteous. Dr. Daniyan and her assistant listened closely and seemd to be very thorough. Dr. Daniyan really put my mind at ease."



"I had a very pleasant experience while under the care of Dr. Daniyan. She was very kind, polite, understanding, attentive, caring, patient, compassionate, informative, and thorough. She made me feel very much at ease. She listened to my questions and addressed every concern I had. She is simply amazing! I completely reccomended her if you are looking for an ENT doctor."



"Very polite and very helpful. Every visit has been great and communication of site has been incredible."



"Everyone at Cross Timbers is so nice! Love my doctor!!"



"I was seen by Dr. Daniyan and she was great!! She listened and we came to decisions together. That was real nice. I plan on seeing her again. My allergies was the reason I went. Thanks Dr. Daniyan."




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Contact Us

Arlington Office

400 W Arbrook Blvd

Ste 301

Arlington, TX 76014

Mansfield Office

2500 E Broad St

Ste 200

Mansfield, TX 76063

Midlothian Office

2021 S. 14th Street

Bldg A, Ste 100

Midlothian, TX 76065