Allergy and Immunology: Referral Directory

Physician Contacts

Nurse Practitioners

  • Maria Crain, RN, APN (Food Allergy)

  • Van Nguyen, RN, MSN, CPNP (Allergy)

Key Contacts


Vicki Dennis

Program Manager

Marcos Martinez 

Program Assistant

Sabrina Tristan

Description of Services

Immunology diagnosis

  • Agammoglobulinemia (Bruton/XLA, AR)
  • ALPS 
  • Antibody Deficiency
  • Ataxia Telangiectasia
  • Cartilage Hair Hypoplasia
  • Chediak Higashi Syndrome
  • Chronic Granulomatous Disease
  • Combined Immunodeficiency (CID)
  • Common Variable Immunodeficiency (CVID)
  • Complement Deficiencies
  • Delayed separation of umbilical cord
  • DiGeorge Syndrome
  • Griscelli Syndrome
  • Hyper IGE
  • Hyper IGM
  • Hypogammaglobulinemia
  • IGA Deficiency
  • Immunodeficiency
  • Periodic Fever
  • Primary Immunolodeficiency (PID)
  • Recurrent Fever
  • Recurrent Infections
  • Recurrent Thrush
  • Severe Combined Immunodeficiency (SCID)
  • Wiskott Aldrich Syndrome
  • X-Linked Lymphoproliferotive Syndrome (XLP)

Allergy diagnosis

  • Asthma
  • Allergic rhinitis
  • Food allergy
  • Drug allergy
  • Stinging Insect Allergy
  • Atopic dermatitis
  • Anaphylaxis
  • Angioedema
  • Chronic urticaria
  • Chronic sinusitis

Procedures performed problems diagnosed:

  • Allergen skin testing
  • Allergen immunotherapy (allergy shots)
  • Pulmonary function testing
  • Drug desensitization
  • Food and drug challenges
  • Anti-IgE administration
  • Immunologlobulin administration
  • Patch testing
  • Immune laboratory studies

Information for referral sources:

  • A written referral from physician or referral source is required.
  • Pre-authorization is required by some insurance plans.
  • Patient instructions for specific tests will be provided when the appointment is scheduled.
  • To avoid unnecessary testing, have the family bring relevant medical records, test results and X-rays to the appointment.
  • Services are provided in close cooperation with the patient’s referring physician.
  • Diagnosis, evaluation and recommended treatment information is provided promptly to the referring physician.

Please provide the following when calling to schedule a patient for a diagnostic examination:

  • Patient name and date of birth
  • Probable diagnosis or symptoms
  • Insurance/referral information
  • Physician clinical findings or symptoms which caused the patient to visit physician

Why Childrens Medical Center

  • The Children’s Allergy and Immunology department provides specialized treatment of the pediatric patient.
  • Physicians are certified by the American Board of Allergy and Immunology and by the American Board of Pediatrics.
  • We provide specialized evaluation for pediatric patients who are difficult to diagnose.
  • We provide a multidisciplinary educational approach to allergy-immunology patients.

Related Listings

Asthma Education
Asthma Management Program
High Risk Asthma
Pulmonary Function Laboratory

Helpful Links

UT Southwestern Medical Center Allergy and Immunology
American Academy of Allergy Asthma & Immunology

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