John Z. Day, PHARMD
Pharmacist · Milwaukee, WI
John Z. Day, PHARMD is a pharmacist with a practice address in Milwaukee, Wisconsin, and NPI 1790601334, issued on Jun 27, 2026. Check the license (Wisconsin 18906-40, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Z. Day
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 18906-40 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5000 W Chambers St, Milwaukee, WI 53210
- Phone
- (414) 447-2034
- Enumerated
- Jun 27, 2026
- Record last updated
- Jun 27, 2026
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,397 in Wisconsin → Look up another NPI →
Also registered at 5000 W Chambers St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Z. Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 18906-40Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Z. Day among 5,397 pharmacist records in Wisconsin
John Z. Day, PHARMD is one of 5,397 pharmacist records with a practice address in Wisconsin. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 97% of them.
- NPI issued2026 · 97% of these records are older, 0% newer
- In a Medicare fileNo · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
807 pharmacist records list a practice address in Milwaukee
They are 807 of the 18,389 NPPES records with a practice address in Milwaukee, and 5,397 pharmacist records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,397 in Wisconsin → Every provider in Milwaukee → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Carolyn Cobb, PHARMD, BCPSMilwaukee, WI 532101922396555
- Benjamin Ezekiel, R.PHMilwaukee, WI 532101013314897
- Ogochukwu EzumbaMilwaukee, WI 532101982460523
- Debbie Isiekwene, PHARMDMilwaukee, WI 532101083244685
- Jonathan Koehler, PHARMDMilwaukee, WI 532101720348972
- Caroline Penne, PHARMDMilwaukee, WI 532101508141391
- Kimberly Schrank, R.PH.Milwaukee, WI 532101861746307
- Theresa Scott, PHARM.DMilwaukee, WI 532101942579255
Common questions
What is John Z. Day, PHARMD's NPI number?
John Z. Day, PHARMD's National Provider Identifier (NPI) is 1790601334, issued on Jun 27, 2026. An NPI identifies a provider in billing; it is not a license.
Where is John Z. Day, PHARMD located?
The NPPES record lists a practice address at 5000 W Chambers St, Milwaukee, WI, 53210. Phone: (414) 447-2034. Providers update this record themselves, so call before visiting.
How can I verify John Z. Day, PHARMD's license?
NPPES lists Wisconsin license number 18906-40, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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. 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.