James S. Osielski, RPH
Pharmacist · Milwaukee, WI
James S. Osielski, RPH is a pharmacist with a practice address in Milwaukee, Wisconsin, and NPI 1326315995, issued on Nov 25, 2011. Check the license (Wisconsin 11529-40, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James S. Osielski
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 11529-40 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3109 S Kinnickinnic Ave, Milwaukee, WI 53207
- Phone
- (414) 482-3515
- Enumerated
- Nov 25, 2011
- Record last updated
- Nov 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (414) 482-9680
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,397 in Wisconsin → Look up another NPI →
Also registered at 3109 S Kinnickinnic Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Norman Roets, PHARMACISTPharmacist1326318452
- Jeffrey Turner, R.PH.Pharmacist1346526803
- Olivia Vlasin, PHARMDPharmacist1689474660
- Stephanie Watson, PHARMDPharmacist1043990385
Verify James S. Osielski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 11529-40Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 97% of the cost of the top drugs
109 Medicare Part D claims for 100 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were over 99% 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.
- Abrysvo41 claims
- Shingrix33 claims
- Arexvy13 claims
- Boostrix Tdap13 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.
James S. Osielski among 5,397 pharmacist records in Wisconsin
James S. Osielski, 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 2011, is newer than 18% of them.
- NPI issued2011 · 18% of these records are older, 67% 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 updated2011 · 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.
All 5,397 in Wisconsin → Every provider in Milwaukee → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Charles Becker, RPHMilwaukee, WI 532071730463621
- Kelsey Bower, PHARMDMilwaukee, WI 532071063798544
- Kelly Castaldo, PHARM. D.Milwaukee, WI 532071861776536
- Jaime Cronin, PHARMDMilwaukee, WI 532071023304144
- Jarod Gingreau, RPHMilwaukee, WI 532071700918232
- Long Hua, PHARMDMilwaukee, WI 532071598048696
- Carolyn MilinovichMilwaukee, WI 532071558647248
- Jonathan Palma, RPHMilwaukee, WI 532071174890750
Common questions
What is James S. Osielski, RPH's NPI number?
James S. Osielski, RPH's National Provider Identifier (NPI) is 1326315995, issued on Nov 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is James S. Osielski, RPH located?
The NPPES record lists a practice address at 3109 S Kinnickinnic Ave, Milwaukee, WI, 53207. Phone: (414) 482-3515. Providers update this record themselves, so call before visiting.
How can I verify James S. Osielski, RPH's license?
NPPES lists Wisconsin license number 11529-40, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does James S. Osielski, RPH prescribe under Medicare Part D?
In 2024, James S. Osielski, RPH had 109 Medicare Part D claims for 100 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.