Jason John Gruszynski, RPH
Pharmacist · Wisconsin Rapids, WI
Jason John Gruszynski, RPH is a pharmacist with a practice address in Wisconsin Rapids, Wisconsin, and NPI 1861744468, issued on Oct 5, 2012. Check the license (Wisconsin 1312740, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason John Gruszynski
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 1312740 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3215 8TH St S, Wisconsin Rapids, WI 54494
- Phone
- (715) 423-3400
- Enumerated
- Oct 5, 2012
- Record last updated
- Oct 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,397 in Wisconsin → Look up another NPI →
Also registered at 3215 8TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beth HendricksonPharmacist1447037205
- Kristen Henslin, PHARM.D.Pharmacist1346525409
- Bradley Rosandick, PHARMDPharmacist1003693714
Verify Jason John Gruszynski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1312740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
244 Medicare Part D claims for 230 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.
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.
- Arexvy138 claims
- Mresvia77 claims
- Shingrix12 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.
Jason John Gruszynski among 5,397 pharmacist records in Wisconsin
Jason John Gruszynski, RPH 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. Its NPI, issued in 2012, is newer than 33% of them.
- NPI issued2012 · 33% of these records are older, 59% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2012 · 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).
26 pharmacist records list a practice address in Wisconsin Rapids
They are 26 of the 507 NPPES records with a practice address in Wisconsin Rapids, and 5,397 pharmacist records in Wisconsin.
All 5,397 in Wisconsin → Every provider in Wisconsin Rapids → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Christian DuxburyWisconsin Rapids, WI 544941932485919
- Jessica Ewert, PHARMDWisconsin Rapids, WI 544941598192247
- Scott Falk, PHARMDWisconsin Rapids, WI 544941396172060
- Wallace Gehring, RPHWisconsin Rapids, WI 544941457637738
- Kristen Henslin, PHARM.D.Wisconsin Rapids, WI 544941346525409
- Barry Johnson, PHARMDWisconsin Rapids, WI 544941174876411
- Alexia Knick, PHARM.DWisconsin Rapids, WI 544941205111341
- Justin Kraemer, PHARMDWisconsin Rapids, WI 544941477838415
Common questions
What is Jason John Gruszynski, RPH's NPI number?
Jason John Gruszynski, RPH's National Provider Identifier (NPI) is 1861744468, issued on Oct 5, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Jason John Gruszynski, RPH located?
The NPPES record lists a practice address at 3215 8TH St S, Wisconsin Rapids, WI, 54494. Phone: (715) 423-3400. Providers update this record themselves, so call before visiting.
How can I verify Jason John Gruszynski, RPH's license?
NPPES lists Wisconsin license number 1312740, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Jason John Gruszynski, RPH prescribe under Medicare Part D?
In 2024, Jason John Gruszynski, RPH had 244 Medicare Part D claims for 230 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.