NPPES file of Aug 9, 2026

Michael Joseph Weissmueller, PHARMD

Pharmacist · Phoenix, AZ

Michael Joseph Weissmueller, PHARMD is a pharmacist with a practice address in Phoenix, Arizona, and NPI 1104593581, issued on Aug 24, 2021. Check the license (Arizona S025337, as entered in NPPES) with the Arizona 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
1104593581
Name
Michael Joseph Weissmueller
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
S025337 AZ
Self-reported in NPPES; status is on the state search
Practice location
18460 N 7TH St, Phoenix, AZ 85022
Phone
(602) 993-5781
Enumerated
Aug 24, 2021
Record last updated
Aug 24, 2021 (not updated in 5 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 18460 N 7TH St

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

  1. Phuong Linh Duong, PHARM.D.Pharmacist1740808732
  2. Mohamed Elmubarak, RPHPharmacist1871243477
  3. Joy Forrester, PDPharmacist1154688018
  4. Brian Foy, PHARMDPharmacist1578966081
  5. Mally Gage, PHARMD, RPHPharmacist1972268126
  6. Toniyah JacksonPharmacist1336869304

Verify Michael Joseph Weissmueller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license S025337
    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 Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs

50 Medicare Part D claims for 44 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. Michael Weissmueller50
  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. Shingrix26 claims
  2. Abrysvo22 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.

Michael Joseph Weissmueller among 6,746 pharmacist records in Arizona

Michael Joseph Weissmueller, PHARMD is one of 6,746 pharmacist records with a practice address in Arizona. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 81% of them.

  • NPI issued2021 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 27% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 78% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,483 pharmacist records list a practice address in Phoenix

They are 1,483 of the 31,399 NPPES records with a practice address in Phoenix, and 6,746 pharmacist records in Arizona.

The 8 pharmacist records with the nearest ZIP codes

  1. Daniel Afonso, PHARM.D.Phoenix, AZ 850221457681611
  2. Brian Arnold, PHARMDPhoenix, AZ 850221275863490
  3. Jack Bertch, RPHPhoenix, AZ 850221699060574
  4. Dennis Checkoway, RPHPhoenix, AZ 850221407156235
  5. Jennifer Choiniere, PHARMDPhoenix, AZ 850221336435791
  6. Lauren Hall, PHARM.DPhoenix, AZ 850221013297233
  7. Reyma Klinker, PHARMDPhoenix, AZ 850221780915496
  8. Michael Labowitch, R.PH.Phoenix, AZ 850221710290697

Common questions

What is Michael Joseph Weissmueller, PHARMD's NPI number?

Michael Joseph Weissmueller, PHARMD's National Provider Identifier (NPI) is 1104593581, issued on Aug 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Michael Joseph Weissmueller, PHARMD located?

The NPPES record lists a practice address at 18460 N 7TH St, Phoenix, AZ, 85022. Phone: (602) 993-5781. Providers update this record themselves, so call before visiting.

How can I verify Michael Joseph Weissmueller, PHARMD's license?

NPPES lists Arizona license number S025337, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Michael Joseph Weissmueller, PHARMD prescribe under Medicare Part D?

In 2024, Michael Joseph Weissmueller, PHARMD had 50 Medicare Part D claims for 44 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.