NPI Portal NPI Lookup & Verification

Specialist in Sioux City, IA

15 active Specialist providers practice in Sioux City, Iowa according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Specialist providers in Sioux City, IA
NPI Name Type Specialty Location
1417088907 Dermatology Associates of Siouxland, PC Organization Specialist Sioux City, IA
1285775403 Duane K Nelson, MD, PC Organization Specialist Sioux City, IA
1417918921 Elizabeth Mcinerney Individual Specialist Sioux City, IA
1700173192 Heidi Nelson Individual Specialist Sioux City, IA
1235190067 James Lauck Individual Specialist Sioux City, IA
1528109774 James R Froggatt MD, PC Organization Specialist Sioux City, IA
1083583298 Jim Ewoldt Individual Specialist Sioux City, IA
1417098658 Kevin J Liudahl MD, PC Organization Specialist Sioux City, IA
1134554595 Laurie Smith Individual Specialist Sioux City, IA
1871938738 Lisa Theisen Individual Specialist Sioux City, IA
1184672479 Michele Kreisberg Palmer Individual Specialist Sioux City, IA
1902947146 Raymond Mp Sherman MD, PC Organization Specialist Sioux City, IA
1073574802 Richard Hildebrand Individual Specialist Sioux City, IA
1295991677 Siouxland Adult Medicine, Pllc Organization Specialist Sioux City, IA
1205977436 Spine and Orthopaedics, PC Organization Specialist Sioux City, IA

Frequently asked questions

How many Specialist providers are in Sioux City, IA?
The latest NPPES snapshot lists 15 active Specialist providers with a practice address in Sioux City, Iowa.
How do I check a Specialist provider's NPI in Sioux City?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-10.