Paul Stephen Pienkos, M.D.
Cardiovascular Disease Physician · Grafton, WI
Paul Stephen Pienkos, M.D. is a cardiovascular disease physician with a practice address in Grafton, Wisconsin, and NPI 1508904186, issued on Feb 3, 2007. Check the license (Wisconsin 45931-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Paul Stephen Pienkos
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 45931-20 WI
45931-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 975 Port Washington RD, Grafton, WI 53024
- Phone
- (262) 329-1000
- Enumerated
- Feb 3, 2007
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091110000623); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 449 in Wisconsin → Look up another NPI →
Also registered at 975 Port Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Beverly Altman, LMTMassage Therapist1447888789
- Claudia Altmann, MDInfectious Disease Physician1386691756
- Peter Andrew, AAAnesthesiologist Assistant1821704545
- Patrick AndrewsPhysical Therapist1689481962
Verify Paul Stephen Pienkos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45931-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,729 Medicare Part D claims for 286 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium209 claims
- Repatha Sureclick172 claims
- Ezetimibe160 claims
- Metoprolol Succinate121 claims
- Atorvastatin Calcium102 claims
- Losartan Potassium93 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.
Bills Medicare through one group practice
- Columbia St Marys Hospital Milwaukee IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul Stephen Pienkos among 449 cardiovascular disease physician records in Wisconsin
Paul Stephen Pienkos, M.D. is one of 449 cardiovascular disease physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 58% of them.
- NPI issued2007 · 58% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2001 among the 279 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Wisconsin
There are 449 cardiovascular disease physician records in Wisconsin.
All 449 in Wisconsin → Every provider in Grafton → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Katie CohenGermantown, WI 530221366975179
- Mark KaepplerGermantown, WI 530221104184100
- Thomas Karras, M.D.Elkhart Lake, WI 530201740419019
- David Cullinane, M.D.Delafield, WI 530181770589236
- Subhashish Agarwal, MDBrookfield, WI 530051134173875
- David Groden, M.D.Brookfield, WI 530051275575276
- Timothy Hess, M.D.Brookfield, WI 530051295777118
- Lisa Baratta, MDBrookfield, WI 530451356340285
Common questions
What is Paul Stephen Pienkos, M.D.'s NPI number?
Paul Stephen Pienkos, M.D.'s National Provider Identifier (NPI) is 1508904186, issued on Feb 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Paul Stephen Pienkos, M.D. located?
The NPPES record lists a practice address at 975 Port Washington RD, Grafton, WI, 53024. Phone: (262) 329-1000. Providers update this record themselves, so call before visiting.
How can I verify Paul Stephen Pienkos, M.D.'s license?
NPPES lists Wisconsin license number 45931-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Paul Stephen Pienkos, M.D. prescribe under Medicare Part D?
In 2024, Paul Stephen Pienkos, M.D. had 1,729 Medicare Part D claims for 286 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.