Mazen Seddick, RPH
Pharmacist · Shorewood, WI
Mazen Seddick, RPH is a pharmacist with a practice address in Shorewood, Wisconsin, and NPI 1710431200, issued on Aug 12, 2016. Check the license (Wisconsin 18343-40, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mazen Seddick
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 18343-40 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3512 N Oakland Ave, Shorewood, WI 53211
- Phone
- (414) 627-4444
- Enumerated
- Aug 12, 2016
- Record last updated
- Oct 22, 2025
- Fax
- (414) 296-8456
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 5,397 in Wisconsin → Look up another NPI →
Also registered at 3512 N Oakland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Okray, R.PH.Pharmacist1235405978
- Marvin Rudack, RPHPharmacist1396003539
Verify Mazen Seddick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 18343-40Check 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, 100% of the cost of the top drugs
37 Medicare Part D claims for 26 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 97% 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.
- Shingrix17 claims
- Abrysvo15 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.
Mazen Seddick among 5,397 pharmacist records in Wisconsin
Mazen Seddick, 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 2016, is newer than 57% of them.
- NPI issued2016 · 57% of these records are older, 41% 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 updated2025 · 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).
9 pharmacist records list a practice address in Shorewood
They are 9 of the 186 NPPES records with a practice address in Shorewood, and 5,397 pharmacist records in Wisconsin.
All 5,397 in Wisconsin → Every provider in Shorewood → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Cynthia Benning, RPHMilwaukee, WI 532111407112527
- Kyle Beyer, PHARMD.Shorewood, WI 532111528335593
- April Bzdawka, PHARMDMilwaukee, WI 532111659648251
- Lisa Cantwell, RPHMilwaukee, WI 532111780941682
- Brian Domack, PHARMDMilwaukee, WI 532111588958607
- Christine Gruber, RPHWhitefish Bay, WI 532111528361045
- Michelle Hoff-Hildebrand, RPHMilwaukee, WI 532111568738318
- Thomas Kmezich, R.PH.Milwaukee, WI 532111821169822
Common questions
What is Mazen Seddick, RPH's NPI number?
Mazen Seddick, RPH's National Provider Identifier (NPI) is 1710431200, issued on Aug 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Seddick, RPH located?
The NPPES record lists a practice address at 3512 N Oakland Ave, Shorewood, WI, 53211. Phone: (414) 627-4444. Providers update this record themselves, so call before visiting.
How can I verify Mazen Seddick, RPH's license?
NPPES lists Wisconsin license number 18343-40, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mazen Seddick, RPH prescribe under Medicare Part D?
In 2024, Mazen Seddick, RPH had 37 Medicare Part D claims for 26 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.