HealthcareDiscovery.AI / Doctors / South Dakota / Sioux Falls / Allergy & Immunology (Internal Medicine)

Allergy & Immunology (Internal Medicine) in Sioux Falls, South Dakota

Data updated monthly · Last refresh September 2026

4 Allergy & Immunology (Internal Medicine) providers practice in Sioux Falls. Listings are drawn from federal public records and are not endorsements.

Allergy & Immunology (Internal Medicine) providers in Sioux Falls

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. Justin Hsueh
Sioux Falls, SD · $417 in drug and device payments (2025) · (605) 404-4000
Dr. Mark Bubak, MD
Sioux Falls, SD · $249 in drug and device payments (2025) · Telehealth · (605) 336-6385
Dr. Rebecca Duron, MD
Sioux Falls, SD · $787 in drug and device payments (2025) · (605) 336-6385
Dr. Robert Smith, MD
Sioux Falls, SD · $490 in drug and device payments (2025) · (605) 332-7000

Common questions

How many Allergy & Immunology (Internal Medicine) providers are in Sioux Falls, South Dakota?

There are 4 Allergy & Immunology (Internal Medicine) providers with active NPI records practicing in Sioux Falls, according to federal NPPES data refreshed monthly.

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 Sioux Falls Allergy & Immunology (Internal Medicine) across South Dakota

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.