Lung Doctors | Ayass Lung Clinic | Asthma Treatment Centers ...
Pulmonology • San Angelo, TX
About
Ayass Lung Clinic & Sleep Center (ALC Laboratory) is a private pulmonary care provider based in Frisco, Texas, with a second office in Dallas/Frisco and a location in San Angelo. They specialize in respiratory conditions including asthma, allergies, sleep apnea, COPD, lung cancer, immune and interstitial lung diseases, pulmonary hypertension, and occupational lung diseases. The Frisco clinic also houses an in-house lab to speed diagnostics without extra referrals or co-pays. They offer two Texas offices (Frisco and Dallas area) and provide services geared toward comprehensive pulmonary care, including diagnostic testing and treatment for sleep-related disorders. Website: ayasslungclinic.com. Contact: (972) 668-6005; (325) 223-1800.
Clinic Type
Pulmonology
Address
Dallas/Frisco and San Angelo, Texas
Phone
(972) 668-6005
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Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Insurance & Payment
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Cash, Credit cards, Insurance
Languages Spoken
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Healthgrades: 3.7/5 stars (13 reviews)
- Vitals: 4.1/5 stars (28 ratings)
Patients praise
- Physician is thorough and takes time with patients
- Staff is perceived as professional and compassionate by some patients
- Successful long-term management of lung conditions for some patients
Common complaints
- Excessively long wait times in the office
- Concerns regarding billing practices and excessive testing
- Dissatisfaction with treatment plans or perceived lack of progress
"He will spend as much time as needed for you to understand how he determines what is wrong with you and how to treat you. He is so much more thorough than any other DR."
— Vitals"The office wait time can be as long 2 - 2-1/2 hours and another appx 1/2 hour or more once you get in the room. Very unprofessional and inconsiderate."
— Vitals"All Dr,. Ayass will do is run tests... Dr. Ayass billed my insurance over $38,000... Complete insurance fraud!"
— VitalsSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Samuel J. Justiss, PA - Physician Assistant in San Angelo, TX — May 14, 2026
- Alissa A. Ussery, NP - Nurse Practitioner in Eldorado, TX — May 14, 2026
- Dr. Ashley Liou, DO - Pulmonologist in Waco, TX — May 14, 2026
- Dr. Becky X. Lou, MD - Pulmonologist in Waco, TX — May 14, 2026
- Dr. Jason E. Wagner, MD - Pulmonologist in San Antonio, TX — Jun 11, 2026
Information sourced from the clinic's website as of July 11, 2026.
More pulmonology clinics in San Angelo
Shannon Medical Center is a nonprofit, San Angelo–based hospital system established in 1933. It operates 12 offices (primarily in San Angelo, TX) and is designated Lead Level 3 Trauma Center with a reputable ICU. The center offers comprehensive services across radiology, cardiology, neonatal care (as young as 28 weeks), and surgical care, supported by a 400-bed facility. It employs about 802 staff and emphasizes patient care across all ages. Key leadership includes executives such as Gerald Creel (Director) and Mike Russell (CIO). If you’re seeking information on Hernan Zarate, MD, San Angelo–based physicians, this summary does not list him; you may want to search the Shannon Medical Center physician directory or contact the hospital directly at 325-747-6741 or 325-481-2183.
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