Marek J. Lisek, D.O.
Hospitalist Physician · Beloit, WI
Marek J. Lisek, D.O. is a hospitalist physician with a practice address in Beloit, Wisconsin, and NPI 1932858594, issued on Mar 21, 2022. Check the license (Wisconsin 81395-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marek J. Lisek
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 81395-21 WI
Self-reported in NPPES; status is on the state search - Practice location
- Beloit Health System, Beloit, WI 53511
- Phone
- (608) 363-5971
- Enumerated
- Mar 21, 2022
- Record last updated
- Aug 13, 2025
- Fax
- (608) 363-5737
- Medicaid ID
- 100281912 WI
- Medicare enrollment
- Enrolled (PECOS I20250822002101); accepts Medicare assignment
- Medical or professional school
- Marian University College Of Osteopathic Medicine, 2022
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 894 in Wisconsin → Look up another NPI →
Also registered at Beloit Health System
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anny Wicyk, APNPNurse Practitioner1861071896
Verify Marek J. Lisek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 81395-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average hospitalist physician in 2024
47 Medicare Part D claims for 18 beneficiaries, 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.
Industry payments in 2024: $100.61
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Beloit Health System IncBeloit, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marek J. Lisek among 894 hospitalist physician records in Wisconsin
Marek J. Lisek, D.O. 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 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2022 · median 2011 among the 768 with a school on file
- Record last updated2025 · 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).
20 hospitalist physician records list a practice address in Beloit
They are 20 of the 706 NPPES records with a practice address in Beloit, and 894 hospitalist physician records in Wisconsin.
All 894 in Wisconsin → Every provider in Beloit → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Shawn Antle, M.D.Beloit, WI 535111336163922
- Heather Breen, M.D.Beloit, WI 535111740547702
- Brian Ebo, M.D.Beloit, WI 535111528564960
- Daniel Hart, M.D.Beloit, WI 535111922412980
- Nicole Hemkes, M.D.Beloit, WI 535111083743637
- Barbara Higgins, MDBeloit, WI 535111497776090
- Deepak Kapoor, M.D.Beloit, WI 535111194187690
- Shannon McCormack, D.O.Beloit, WI 535111588924054
Common questions
What is Marek J. Lisek, D.O.'s NPI number?
Marek J. Lisek, D.O.'s National Provider Identifier (NPI) is 1932858594, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marek J. Lisek, D.O. located?
The NPPES record lists a practice address at Beloit Health System, Beloit, WI, 53511. Phone: (608) 363-5971. Providers update this record themselves, so call before visiting.
How can I verify Marek J. Lisek, D.O.'s license?
NPPES lists Wisconsin license number 81395-21, 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 Marek J. Lisek, D.O. prescribe under Medicare Part D?
In 2024, Marek J. Lisek, D.O. had 47 Medicare Part D claims for 18 beneficiaries; 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.