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Texas Medical Center
Specialty Care

Pulmonary Medicine
Phone: 832-822-3300 (Main) | 281-494-7010 (Sugar Land)
Fax: 832-825-3308


Texas Children's Specialty Care Sugar Land
15400 Southwest Freeway
Sugar Land, TX 77478

Texas Children's Hospital - Main Campus
6701 Fannin Street
9th Floor
Houston, TX 77030

Fadel E. Ruiz, MD, FAAP

Pediatric Pulmonologist

Assistant Professor, Pediatrics, Pulmonary, Baylor College of Medicine
Medical Director, Baylor Cystic Fibrosis Center


School Education Degree Year
University of Alabama at Birmingham Fellowship Pediatric Pulmonary 1998
University of South Alabama College of Medicine Residency Pediatrics 1995
University of South Alabama College of Medicine Internship Pediatrics 1993
Universidad Francisco Marroquin-Guatemala Medical School Doctor of Medicine 1991


Dr. Ruiz's two major interests are in the area of Cystic Fibrosis and Pediatric Pulmonary Hypertension. He has participated in several studies sponsored by the Cystic Fibrosis Therapeutic Development Network. He actively participates in multiple clinical trials related to Cystic Fibrosis. He is also the principal investigator in several clinical trials studying the use of vasodilator therapies for the treatment of Pulmonary Hypertension in Children.


Organization Name Role
American Academy of Pediatrics Member
American Thoracic Society Member
Asociacion Latino Americana del Torax Member
Harris County Medical Society Member
Pulmonary Vascular Research Institute Fellow

Selected Publications

Cystic Fibrosis Lung Transplant Recipients 10 years of age or Younger: Predisposing Factors for End-stage Disease.  Melicoff E, Ruiz FE, Hosek K, Mallory GB. Pediatr Pulmonol. 2022 Mar 3. doi: 10.1002/ppul.25882. Online ahead of print.PMID: 35243829.

Opportunities and challenges of pharmacotherapy for pulmonary arterial hypertension in children.  Kam CW, Ruiz FE.  Pediatr Pulmonol. 2021 Mar;56(3):593-613. doi: 10.1002/ppul.25101. Epub 2020 Oct 12.PMID: 33002306.

Patient and Family Comments

* Texas Children's Hospital physicians' licenses and credentials are reviewed prior to practicing at any of our facilities. Sections titled From the Doctor, Professional Organizations and Publications were provided by the physician's office and were not verified by Texas Children's Hospital.