Call Us:  +1-712-274-6884

About Us



At Sioux City Allergy and Associates, our mission is to provide excellent, compassionate, and state-of-the-art care to all our patients.

Dr. Tumpkin is a Board Certified physician and specializes in Allergy, Asthma & Immunology. He did his specialty training at Walter Reed Army Hospital and served his country for 9 years in the Army. Our office is located in Sioux City, Iowa with satellite offices located in Orange City, Iowa and Yankton, South Dakota.

Sioux City Allergy and Associates provides comprehensive care to patients of all ages.

Our clinic's services include:

  • Testing & Management of Allergies
  • Testing & Management of Asthma
  • Immunodeficiency
  • Food Allergies
  • Immunotherapy
  • Childhood Eczema (limited to children 5 & under)

All ages are welcome. To schedule an appointment, please call: +1.7122746884.