Allergists in the Sioux City area
3 doctors with an allergy or immunology specialty list a practice address in the Sioux City, IA-NE-SD metro area. 2 are in current Medicare records as allergists.
Allergists 2
James D. Oggel, MDAllergist
4280 Sergeant Rd, #230, Sioux City, IA 51106(712) 274-6884
National provider registry only, updated September 2025.Report a problem
Mitchell M. Pitlick, MDAllergist
Allergy Asthma and Immunology Associates PC4301 Sergeant Rd, Suite 215, Sioux City, IA 51106(402) 391-1800
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Pediatric allergists 1
James L. Friedlander, MDPediatric allergist
Allergy Asthma and Immunology Associates PC4301 Sergeant Rd, Suite 215, Sioux City, IA 51106(402) 391-1800
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors