Adrian Casillas, MD, FAAAAI, FACAAI

Board Certified – Allergy and Immunology

Image of Adrian Casillas

11163 La Quinta Pl., Suite A-200
El Paso, TX  79936
Phone: (915) 320-3854
Fax: (915) 320-3856

Patient Satisfaction Survey

Overall Satisfaction
4.9 out of 5
75 Ratings

Medical Education

  • Medical School: UCLA School of Medicine, Los Angeles, CA
  • Internship: UCLA School of Medicine, Los Angeles, CA
  • Residency: UCLA School of Medicine, Los Angeles, CA
  • Fellowships: Clinical Immunology and Allergy and Molecular Immunology - UCLA School of Medicine, Los Angeles, CA


  • American Board of Allergy and Immunology

Professional Memberships

  • American Academy of Allergy Asthma and Immunology
  • American College of Allergy Asthma and Immunology

Information About Dr. Casillas

Dr. Adrian Casillas is board certified by the American Board of Allergy and Immunology. He completed his residency in internal medicine and fellowship and research in allergy and immunology at the UCLA School of Medicine. He served on the faculty as Associate Professor in the Department of Medicine at UCLA followed by academic positions at the Louisiana State University Health Sciences Center and Baylor College of Medicine. He has served as a training program director for fellowship clinical training in allergy and immunology at UCLA and LSU and was Chief of Clinical Immunology Services at Baylor. He decided to move back home to El Paso in 2015. He currently holds a clinical appointment at the Texas Tech Health Sciences Center. He has expertise in several areas of clinical immunology and allergy disorders including allergic rhinitis, asthma, drug and food allergy as well as immunodeficiency states.

Dr. Casillas speaks Spanish.

Clinical Interests

Dr. Casillas treats both adults and children in the clinic setting:

  • Allergic Rhinitis
  • Sinusitis
  • Asthma
  • Atopic Dermatitis
  • Urticaria
  • Angioedema
  • Anaphylaxis
  • Drug Allergy and Desensitization
  • Food Allergy
  • Immune Deficiency
  • Venom Hypersensitivity and Desensitization
  • Eosinophilic Esophagitis
  • Contact Dermatitis

Patient Ratings & Comments

The Patient Rating score is an average of all responses to provider related questions on our independently administered Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score.
Friendliness/courtesy of Care provider
Likelihood of recommending Care provider
Care provider efforts to include in decisions
Care provider explanations of prob/condition
Care provider concern for questions/worries
Patients' confidence in Care provider
Care provider spoke using clear language


Comments are gathered from our Patient Satisfaction Survey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.