NPPES file of Aug 9, 2026

Mackenzie Johnson, PHARM D.

Pharmacist · Saint Robert, MO

Mackenzie Johnson, PHARM D. is a pharmacist with a practice address in Saint Robert, Missouri, and NPI 1558990929, issued on Apr 7, 2020. Check the license (Missouri 2019030618, as entered in NPPES) with the Missouri 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
1558990929
Name
Mackenzie Johnson
Credential
PHARM D.
Primary taxonomy
Pharmacist 183500000X
License number
2019030618 MO
Self-reported in NPPES; status is on the state search
Practice location
185 Saint Robert Blvd, Saint Robert, MO 65584
Phone
(573) 336-4323
Enumerated
Apr 7, 2020
Record last updated
Apr 7, 2020 (not updated in 6 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 185 Saint Robert Blvd

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

  1. Leah Piatt, PHARMDPharmacist1841890811
  2. William Rourke, PHARMDPharmacist1053911081

Verify Mackenzie Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2019030618
    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 Missouri license search

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86% fewer Medicare Part D claims than the average pharmacist in 2024

17 Medicare Part D claims, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D.

  1. Mackenzie Johnson17
  2. Specialty average119

Most prescribed

  1. Warfarin Sodium16 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.

Mackenzie Johnson among 5,343 pharmacist records in Missouri

Mackenzie Johnson, PHARM D. is one of 5,343 pharmacist records with a practice address in Missouri. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 56% of them.

  • NPI issued2020 · 56% of these records are older, 26% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 70% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 pharmacist records list a practice address in Saint Robert

They are 4 of the 168 NPPES records with a practice address in Saint Robert, and 5,343 pharmacist records in Missouri.

The 8 pharmacist records with the nearest ZIP codes

  1. Amanda Jones, PHARMDSaint Robert, MO 655841962271221
  2. Leah Piatt, PHARMDSaint Robert, MO 655841841890811
  3. William Rourke, PHARMDSaint Robert, MO 655841053911081
  4. Brian Young, PHARMDSt Robert, MO 655841457952624
  5. Curtis GeorgeWaynesville, MO 655831245604891
  6. Dylan Hodges, PHARMDWaynesville, MO 655831407732662
  7. Felicia Udoji, PHARM.D.Waynesville, MO 655831528456514
  8. Melissa Winter, RPHWaynesville, MO 655831992399844

Common questions

What is Mackenzie Johnson, PHARM D.'s NPI number?

Mackenzie Johnson, PHARM D.'s National Provider Identifier (NPI) is 1558990929, issued on Apr 7, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mackenzie Johnson, PHARM D. located?

The NPPES record lists a practice address at 185 Saint Robert Blvd, Saint Robert, MO, 65584. Phone: (573) 336-4323. Providers update this record themselves, so call before visiting.

How can I verify Mackenzie Johnson, PHARM D.'s license?

NPPES lists Missouri license number 2019030618, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Mackenzie Johnson, PHARM D. prescribe under Medicare Part D?

In 2024, Mackenzie Johnson, PHARM D. had 17 Medicare Part D claims; 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.