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Food Allergy Testing and Care in San Gabriel, CA

A food-allergy evaluation in San Gabriel should begin with one carefully documented meal or exposure.

Food Allergy Evaluation | San Gabriel, CA | Modena

Clinical Overview

About Food Allergy Evaluation in San Gabriel Valley

Food allergy diagnosis depends on the reaction history and targeted testing. Skin or blood sensitization alone does not establish a clinical allergy; when the diagnosis remains uncertain, a medically supervised oral food challenge may be considered.

Include every ingredient, preparation method, quantity, onset and order of symptoms, treatment, and later tolerance. This history determines whether targeted testing can answer the question. A positive panel without a compatible reaction should not be treated as automatic proof that the food is dangerous.

A supervised food challenge may be discussed when uncertainty remains and the clinician considers it safe, but it is a medical procedure rather than a home trial.

For a broader clinical overview, read the food allergy evaluation guide.

Local clinic: Modena Allergy + Asthma - San Gabriel Valley, 207 South Santa Anita Street, Suite 335, San Gabriel, CA 91776. Phone: 626-284-3400.

Clinical references: NIAID Food Allergy Guidelines and AAAAI: Food Allergy.

San Gabriel Valley Providers

Meet the San Gabriel Valley Care Team

Abstract gradient texture in shades of blue.

Stephen Wong, MD

Allergist & Immunologist

Smiling woman with long hair against plain background.

Adrienne Chan, PA-C

Physician Assistant

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Ricky Leung, PA-C

Physician Assistant

Smiling woman with long brown hair.

Susana Rangel, FNP-C

Nurse Practitioner

Frequently Asked Questions

Food Allergy Evaluation Questions in San Gabriel Valley

The evaluation clarifies which foods truly require avoidance, whether emergency medication and a written action plan are current, and whether further testing or a supervised challenge is appropriate.

Broad food panels can lead to false-positive results and unnecessary restriction. The clinician selects tests for foods supported by the history and explains what each result can and cannot predict.

Relevant information includes the exact food, amount, preparation, and timing of each reaction, labels, photographs, emergency records, and prior tests, and prescribed epinephrine and the current allergy action plan. This context helps the clinician focus on evidence that can change diagnosis, treatment, or day-to-day care.

Appointments & Insurance

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We work with many major insurance carriers.

  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Cigna
  • UnitedHealthcare

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