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we are only a phone call away

Frisco Office
(972) 668-6005
San Angelo Office
(325) 223-1800


Suffering from sleep apnea? Are you looking for asthma treatment or an allergy doctor in San Angelo, TX? Ayass Lung Clinic provides excellence in Pulmonary Care. We offer services for the following respiratory conditions:


  •  Sleep Apnea, Allergies & Asthma

  • COPD, Chest Infections, Lung Cancer

  • Interstitial Lung Diseases & Immune Lung Diseases

  • Occupational Lung Diseases & Pulmonary Hypertension

  • Pulmonary Vascular Diseases & Pulmonary Embolism


Experience Excellence

in Patient Care

We have two conveniently located offices in Dallas/Frisco and San Angelo, TX to better suit our patient’s needs. Pulmonary excellence is our goal at Ayass Lung Clinic and we strive to ensure all of our patients leave satisfied with the quality of our services provided.


Our Frisco Lung Clinic also houses our Lab which allows us to provide advanced diagnostic services to properly identify the pulmonary condition effecting your breathing. We have state of the art equipment available and are able to expedite our patient diagnosis without the need for a third party referral or additional co-pay fees.

Lung Cancer Treatment, Asthma Treatment & more

The two most common pulmonary diseases are chronic bronchitis and emphysema. Both are chronic (long-term) illnesses that impair airflow in the lungs. Currently, COPD affects millions of people in the United States, causing more than 100,000 deaths each year. In more than 80% of cases, the illness is related to cigarette smoking.

Asthma is a chronic but treatable condition. You can manage your condition much like someone manages diabetes or heart disease. With proper asthma treatment, you and your doctor can work together to control asthma, reduce the severity and frequency of attacks and help maintain a normal, active life.

An allergy is an over reaction of the body to a normally harmless substance. This harmless substance is also known as an allergen. Examples of allergens are pollen, cat dander, mold, fruits, and nuts. Allergy is also called hypersensitivity, which literally means overly sensitive.

Lung diseases are some of the most common medical conditions in the world. Tens of millions of people suffer from lung disease in the U.S. Smoking, infections, and genetics are responsible for most lung diseases.

Dear Dr. Ayass,
I just wanted to tell you thank you so much for all of your help, I wish I could repay you! When I was there 12-1-11 you put me on Spiriva, it has changed my life for the first time in over a year I can breathe! I feel ten years younger. I have been on a diet to lose 100 lbs like you said I needed to do, I am trying to do my part like you said. I just wanted you to know I count you as one of my blessings. Again, thank you for everything!! I hope you and your family have a very Merry Christmas.

~ Ms. Hardin


Dr. Ayass,
I want to thank you so much for always showing me that you care about my well being. I fell very blessed to have you as my doctor. I appreciate the time you take with me. I never feel rushed, you always take the time to answer all my questions and you address all of my concerns. Again thank you for all you do for me.

~ Ms. Fuentes

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