What is Jim Ewoldt's NPI number?

Jim Ewoldt's National Provider Identifier (NPI) is 1083583298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jim Ewoldt's specialty?

Jim Ewoldt is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Jim Ewoldt located?

Jim Ewoldt's practice location on file with NPPES is 4501 Southern Hills Dr Ste 18, Sioux City, IA 51106-4743.

What is Jim Ewoldt's phone number?

The practice phone number listed in the NPPES registry for Jim Ewoldt is (712) 276-8087.

Is Jim Ewoldt's NPI active?

Yes — Jim Ewoldt's NPI (1083583298) is active in the NPPES registry as of the last update on 2025-11-04.

IndividualActive

Jim Ewoldt

NPI 1083583298 · Specialist · Sioux City, IA

Jim Ewoldt is a Specialist provider in Sioux City, IA (NPI 1083583298).

Provider details

NPI number: 1083583298
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

SpecialistPrimary174400000X
Other Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

4501 Southern Hills Dr Ste 18

Sioux City, IA 51106-4743

Phone: (712) 276-8087

Street-level locationGet directions

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Mailing address