What is Mason Arndt's NPI number?

Mason Arndt's National Provider Identifier (NPI) is 1336006360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mason Arndt's specialty?

Mason Arndt is listed in the NPPES registry with a primary specialty of Oncology Pharmacist (Pharmacy Service Providers).

Where is Mason Arndt located?

Mason Arndt's practice location on file with NPPES is 7421 W 64th St, Sioux Falls, SD 57106-8864.

What is Mason Arndt's phone number?

The practice phone number listed in the NPPES registry for Mason Arndt is (507) 995-4213.

Is Mason Arndt's NPI active?

Yes — Mason Arndt's NPI (1336006360) is active in the NPPES registry as of the last update on 2026-01-09.

IndividualActive

Mason Arndt

NPI 1336006360 · Oncology Pharmacist · Sioux Falls, SD

Mason Arndt is a Oncology Pharmacist provider in Sioux Falls, SD (NPI 1336006360).

Provider details

NPI number: 1336006360
Entity type: Individual
Primary specialty: Oncology PharmacistPharmacy Service Providers
Sex: Male
Sole proprietor: No
License: 6979 (SD)

Specialties & taxonomies

Oncology PharmacistPrimary1835X0200XLicense 6979 (SD)
Pharmacy Service Providers

Profile Score

Established profile(53/100 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
100% 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

7421 W 64th St

Sioux Falls, SD 57106-8864

Phone: (507) 995-4213

Street-level locationGet directions

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Mailing address