Renee B. Marszalek, MD
Hospitalist Physician · Summit, WI
Renee B. Marszalek, MD is a hospitalist physician with a practice address in Summit, Wisconsin, and NPI 1730163445, issued on Dec 6, 2005. Check the license (Wisconsin 47293, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Renee B. Marszalek
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 47293 WI
Self-reported in NPPES; status is on the state search - Practice location
- 36500 Aurora Dr, Summit, WI 53066
- Phone
- (262) 434-5000
- Enumerated
- Dec 6, 2005
- Record last updated
- Aug 29, 2024
- Medicaid ID
- 34574400 WI
- Medicare enrollment
- Enrolled (PECOS I20041021000912); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at 36500 Aurora Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Renee B. Marszalek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 47293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Summit, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Renee B. Marszalek among 894 hospitalist physician records in Wisconsin
Renee B. Marszalek, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2001 · 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).
14 hospitalist physician records list a practice address in Summit
They are 14 of the 250 NPPES records with a practice address in Summit, and 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Summit → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Muddasir Ashraf, M.D.Summit, WI 530661487819520
- Joseph De Rubeis, DOSummit, WI 530661841797818
- Kevin Eggleston, M.D.Summit, WI 530661003851825
- Ahmed Ibn-Mahfoudh, MDSummit, WI 530661457320970
- Ahmed Ismail, DOSummit, WI 530661346863321
- Iqbal KahloonSummit, WI 530661235575689
- Anne Kis, MDSummit, WI 530661235246760
- Varun Mehta, M.D.Summit, WI 530661881958478
Common questions
What is Renee B. Marszalek, MD's NPI number?
Renee B. Marszalek, MD's National Provider Identifier (NPI) is 1730163445, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Renee B. Marszalek, MD located?
The NPPES record lists a practice address at 36500 Aurora Dr, Summit, WI, 53066. Phone: (262) 434-5000. Providers update this record themselves, so call before visiting.
How can I verify Renee B. Marszalek, MD's license?
NPPES lists Wisconsin license number 47293, 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.
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.