Welcome to North Texas Asthma and Allergy Center!
We have been proudly caring for Plano, Frisco, Dallas,
Allen, and Mckinney communities for over 30 years.

Get in touch

Our Mission Statement

Drs. Gerald Moore and William Nguyen and the staff of North Texas Asthma and Allergy Center are committed to provide the best Medical Support System for each individual patient. We believe that in order to achieve this goal, we have to engage our patients to understand that medical care is a relationship between ourselves and our patients.

We promise to…

  • Act honestly and ethically in all relationships.  Confidentially is vitally important to us.
  • Value and respect the uniqueness and diversity of all our patients
  • Provide the highest level of care, with the  utilization of medical resources in a responsible manner
  • Emphasize a Patient-Centric approach health care
  • Answer concerns and feedback in a timely manner

What we ask of you is…

  • Be courteous and respectful of our staff.
  • Keep your appointments and inform us as soon as possible if you can’t
  • Stay compliant with the treatment plan recommended by our providers
  • Give us suggestions on how we can better serve you and your family

Get to know more about our Providers


Shot Room Hours

Plano Office

Monday: 9 AM-4:45 PM
Tuesday: 9 AM-6:45 PM
Wednesday: 9 AM-4:45 PM
Thursday:  9 AM-4:45 PM
Friday: 7 AM11:45 AM

Frisco Office

Monday: 9 AM-4:45 PM
Tuesday: 9 AM-4:45 PM
Wednesday: 9 AM-4:45 PM
Thursday: 9 AM-4:45 PM
Friday: 8 AM12:45 PM


Plano Office

3721 West 15th, Suite 602
Plano, Texas 75075

Frisco Office

3550 Parkwood Blvd (Located in the TLC pediatric building, just to the right of the Front door)
Suite 701
Frisco, TX 75034

Phone: (972) 867-1600

Fax: (972) 596-2819