Nadia Boulghassoul-Pietrzykowska, M.D.
Hospitalist Physician · Barron, WI
Nadia Boulghassoul-Pietrzykowska, M.D. is a hospitalist physician with a practice address in Barron, Wisconsin, and NPI 1346401528, issued on Jun 20, 2008. Check the license (Wisconsin 20828, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nadia Boulghassoul-Pietrzykowska
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 20828 WI
MC-261 GU
25MA08970300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1222 E Woodland Ave, Barron, WI 54812
- Phone
- (715) 537-3166
- Enumerated
- Jun 20, 2008
- Record last updated
- Dec 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20231206000639); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 1222 E Woodland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nadia Boulghassoul-Pietrzykowska in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 20828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average hospitalist physician in 2024
27 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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 2 group practices
- Guam Healthcare Development IncorporatedDededo, GU
- U S Health Dept OF Health And Human ServicesCroe Agency, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nadia Boulghassoul-Pietrzykowska among 894 hospitalist physician records in Wisconsin
Nadia Boulghassoul-Pietrzykowska, M.D. is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 25% of them.
- NPI issued2008 · 25% of these records are older, 70% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated1996 · median 2011 among the 768 with a school on file
- Record last updated2024 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 hospitalist physician records list a practice address in Barron
They are 5 of the 122 NPPES records with a practice address in Barron, and 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Barron → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Hailey Danielson, MDBarron, WI 548121740778505
- David Hubbard, MDBarron, WI 548121992934517
- Amy Muminovic, DOBarron, WI 548121285895979
- Robert Peterson, MDBarron, WI 548121154387124
- Venkata Srihari Buddhavarapu, M.D.Osseo, WI 547581588061766
- Sean Nelson, MDOsseo, WI 547581083069983
- Olawale Onibile, MDOsseo, WI 547581679968903
- Adam Kibola, MDRice Lake, WI 548681366861445
Common questions
What is Nadia Boulghassoul-Pietrzykowska, M.D.'s NPI number?
Nadia Boulghassoul-Pietrzykowska, M.D.'s National Provider Identifier (NPI) is 1346401528, issued on Jun 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nadia Boulghassoul-Pietrzykowska, M.D. located?
The NPPES record lists a practice address at 1222 E Woodland Ave, Barron, WI, 54812. Phone: (715) 537-3166. Providers update this record themselves, so call before visiting.
How can I verify Nadia Boulghassoul-Pietrzykowska, M.D.'s license?
NPPES lists Wisconsin license number 20828, 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 Nadia Boulghassoul-Pietrzykowska, M.D. prescribe under Medicare Part D?
In 2024, Nadia Boulghassoul-Pietrzykowska, M.D. had 27 Medicare Part D claims; the average among hospitalist physician prescribers was 521. 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.