Halie Sigman, APRN, AGACNP-BC

Dallas Breathe Free Welcomes Halie Sigman!

Halie Sigman is a board-certified Adult-Gerontology Acute Care Nurse Practitioner serving patients at Dallas Breathe Free Sinus & Allergy Centers.  With a strong clinical background in hospital medicine and specialty care, Halie brings deep expertise and compassion to her role in ENT and allergy services.

Halie began her nursing career in 2018 and spent six years as a floor nurse before earning her Master of Science in Nursing from The University of Texas at Arlington in 2023. She previously served in a bone marrow transplant unit, caring for patients with complex oncologic conditions. Now focused on ENT care, Halie provides personalized treatment for patients dealing with chronic sinus issues, allergies, snoring, and sleep disturbances. She is especially skilled in managing care before and after advanced procedures such as balloon sinuplasty. Patients value Halie’s approachable style, clinical precision, and commitment to improving quality of life through targeted, evidence-based care.

When not in clinic, Halie enjoys spending time with her husband Cody, their son Grayson, and their two dogs, Sadie and Piper.

Looking for relief from sinus pressure, allergies, or snoring in Dallas? Schedule an appointment with Halie Sigman at Dallas Breathe Free Sinus & Allergy Centers today.

Monty Trimble, MD, Board Certified Otolaryngologist

What our patients are saying...

"I was very comfortable with your friendly staff and the doctors were amazing. The wait was almost non existent which makes for a great first impression. Awesome experience."

- Linda S.

"My recovery was not long and in subsequent visits, I was released in three months. I am happy to report I have not had a sinus infection since December 2012. I am glad I had this procedure and the positive change it made. I commend Dr. Trimble and his staff in the office for their care and support."

- Barbara F.

"Great place. All of the staff are friendly and courteous. Dr. Trimble was great and takes the time to give you that little bit extra. He doesn't just run in look at you and run out. Glad that I found this office. Thank you everyone at Dallas Breathe Free."

- Jason H.

"Very professional and courteous. Dr. Trimble was very thorough and explained what needed to happen. Great experience from start to finish!"

- Kay R.

"The doctor was wonderful. He listened and what he prescribed has worked just as he told me it would. This doctor was recommended to me and now I truly understand why."

- Alex W.

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Please Note: Every patient is unique, and your results may vary.