NPPES file of Aug 9, 2026

Kai Gunnar Viergutz, PHARMD

Pharmacist · Duluth, MN

Kai Gunnar Viergutz, PHARMD is a pharmacist with a practice address in Duluth, Minnesota, and NPI 1093090029, issued on Oct 21, 2011. Check the license (Minnesota MN120145, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093090029
Name
Kai Gunnar Viergutz
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
MN120145 MN
Self-reported in NPPES; status is on the state search
Practice location
1352 W Arrowhead RD, Duluth, MN 55811
Phone
(218) 724-8825
Enumerated
Oct 21, 2011
Record last updated
Oct 21, 2011 (not updated in 15 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1352 W Arrowhead RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Becky Heinrich, RPHPharmacist1568747665

Verify Kai Gunnar Viergutz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
    Search for license MN120145
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Minnesota license search

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Most of these Medicare Part D claims are vaccines, 95% of the cost of the top drugs

159 Medicare Part D claims for 138 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Kai Viergutz159
  2. Specialty average119

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix52 claims
  2. Abrysvo44 claims
  3. Arexvy33 claims
  4. Boostrix Tdap29 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Kai Gunnar Viergutz among 4,914 pharmacist records in Minnesota

Kai Gunnar Viergutz, PHARMD is one of 4,914 pharmacist records with a practice address in Minnesota. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 20% of them.

  • NPI issued2011 · 20% of these records are older, 64% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2011 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

149 pharmacist records list a practice address in Duluth

They are 149 of the 4,084 NPPES records with a practice address in Duluth, and 4,914 pharmacist records in Minnesota.

The 8 pharmacist records with the nearest ZIP codes

  1. Lesley CaldwellDuluth, MN 558111154617710
  2. Kristine Feiro, PHARM.D.Duluth, MN 558111922393198
  3. David Giorgi, B.S.Duluth, MN 558111396031035
  4. Nicholas HansonDuluth, MN 558111760768147
  5. Becky Heinrich, RPHDuluth, MN 558111568747665
  6. Barbara JahnDuluth, MN 558111194011742
  7. Leslie Johnson, PHARMACISTDuluth, MN 558111467471979
  8. Camille Kundel, PHARM.D.Duluth, MN 558111932195583

Common questions

What is Kai Gunnar Viergutz, PHARMD's NPI number?

Kai Gunnar Viergutz, PHARMD's National Provider Identifier (NPI) is 1093090029, issued on Oct 21, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Kai Gunnar Viergutz, PHARMD located?

The NPPES record lists a practice address at 1352 W Arrowhead RD, Duluth, MN, 55811. Phone: (218) 724-8825. Providers update this record themselves, so call before visiting.

How can I verify Kai Gunnar Viergutz, PHARMD's license?

NPPES lists Minnesota license number MN120145, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.

How much does Kai Gunnar Viergutz, PHARMD prescribe under Medicare Part D?

In 2024, Kai Gunnar Viergutz, PHARMD had 159 Medicare Part D claims for 138 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.