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NPI-verifiedAllergy & Immunology · PeoriaLast verified Oct 21, 2026

Southwest Allergy Institute

Based in Peoria, Southwest Allergy Institute is an allergy & immunology practice. Care is provided by Jacob Maddux, MD, MD. The practice provides care in English and Spanish.

At a glance
Today
Hours listed
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Who you'll see
1 clinician
Jacob Maddux, MD, MD
Languages
English, Spanish

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Who you'll see

Provider

JM
Jacob Maddux, MD, MD
NPI 1760839211
Services

What this practice treats

Allergy Testing (Skin & Blood)Allergic Rhinitis & Sinusitis CareNasal EndoscopyAsthma Care & Pulmonary Function TestingFood & Drug Allergy TestingOral Immunotherapy (OIT)Eczema, Hives & Patch TestingAllergy ShotsImmune Deficiency EvaluationMast Cell & Eosinophilic Disorders
Questions

Common questions about Southwest Allergy Institute.

Insurance, hours and new-patient availability change — confirm with the office before your visit.

Southwest Allergy Institute offers services including Allergy Testing (Skin & Blood), Allergic Rhinitis & Sinusitis Care, Nasal Endoscopy, Asthma Care & Pulmonary Function Testing, Food & Drug Allergy Testing, Oral Immunotherapy (OIT), Eczema, Hives & Patch Testing, Allergy Shots, and more.

Southwest Allergy Institute lists English and Spanish as languages spoken.

Last verified Oct 21, 2026Report a correction

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