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Allergy & Immunology in Mason City, Iowa

Data updated monthly · Last refresh September 2026

2 Allergy & Immunology providers practice in Mason City. Listings are drawn from federal public records and are not endorsements.

Allergy & Immunology providers in Mason City

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Daniel Hamilos, M.D.
Mason City, IA · $70 in drug and device payments (2025) · (641) 494-5380
Dr. Javen Wunschel, D.O.
Mason City, IA · $56 in drug and device payments (2025) · Telehealth · (641) 494-5200

Conditions Allergy & Immunology providers in Mason City, Iowa commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Allergy & Immunology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Allergy & Immunology providers are in Mason City, Iowa?

There are 2 Allergy & Immunology providers with active NPI records practicing in Mason City, according to federal NPPES data refreshed monthly.

What conditions do Allergy & Immunology providers in Mason City treat?

Allergy & Immunology providers in Mason City commonly treat seasonal allergies, food allergies, asthma, eczema, chronic hives and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Mason City Allergy & Immunology across Iowa

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.