What is Mary Thoennes's NPI number?

Mary Thoennes's National Provider Identifier (NPI) is 1407995020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Thoennes's specialty?

Mary Thoennes is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Mary Thoennes located?

Mary Thoennes's practice location on file with NPPES is 100 Lake Traverse Dr, Sisseton, SD 57262-7046.

What is Mary Thoennes's phone number?

The practice phone number listed in the NPPES registry for Mary Thoennes is (605) 742-3600.

Is Mary Thoennes's NPI active?

Yes — Mary Thoennes's NPI (1407995020) is active in the NPPES registry as of the last update on 2026-05-26.

IndividualActive

Mary Thoennes, RPH

NPI 1407995020 · Pharmacist · Sisseton, SD

Mary Thoennes, RPH is a Pharmacist provider in Sisseton, SD (NPI 1407995020).

Provider details

NPI number: 1407995020
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: RPH
Sex: Female
Sole proprietor: Yes
License: 115838 (MN)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 4863 (SD)
Pharmacy Service Providers
Pharmacist183500000XLicense 115838 (MN)
Pharmacy Service Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 yrs in NPPES 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

100 Lake Traverse Dr

Sisseton, SD 57262-7046

Phone: (605) 742-3600

Approximate (ZIP-level) locationGet directions

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Mailing address