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DR. MAREK J LISEK D.O.
NPI 1932858594
Hospitalist in Beloit, WI

Active since March 21, 2022PECOS EnrolledAccepts Medicare Assignment
BELOIT HEALTH SYSTEM, 1969 W HART ROAD, BELOIT, WI 53511(608) 363-5971(608) 363-5737 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 13, 2025, May 14, 2024 (2 updates tracked since 2024).

About Dr. Marek J Lisek D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MAREK J LISEK D.O. (NPI 1932858594) is an individual hospitalist provider in Beloit, Wisconsin, licensed in Wisconsin (81395-21) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Beloit Health System, and is a graduate of Marian University College Of Osteopathic Medicine (2022).

NPPES Registry Identity

NPI1932858594
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. MAREK J LISEKCredential: D.O.
Location AddressBELOIT HEALTH SYSTEM, 1969 W HART ROADBeloit, WI 53511-2230
Mailing AddressBeloit Health System Inc, 1969 W Hart RoadBeloit, WI 53511-2230 · (608) 364-5011 · Fax (608) 364-5525
Phone(608) 363-5971
Fax(608) 363-5737
Sole ProprietorNo
Medical School CMSMarian University College Of Osteopathic MedicineGraduated 2022
Enumeration DateMarch 21, 2022
Last NPPES UpdateAugust 13, 20252 updates tracked since enumeration
NPPES CertifiedMay 14, 2024
✔ NPI 1932858594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in WI · 81395-21
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 81395-21 (WI)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
BELOIT HEALTH SYSTEM, Beloit, WI 53511
Open in Google Maps ↗

Other Identifiers 1

Medicaid100281912WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Quartz.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marek J Lisek D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658818422
PECOS Enrollment IDI20250822002101
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marek Lisek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Beloit Health System, Inc
1.6 mi
Internal Medicine
1650 LEE LN
Beloit, WI 53511
  • Reassigned Medicare billing, Wisconsin enrollment
  • 194 clinicians in this Medicare group
NPI 1912199340 (608) 364-4666

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Beloit Health System

Acute Care Hospitals · Beloit, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520100
Location1969 W Hart RdBeloit, WI 53511 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53511 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANNY WICYK APNP
Nurse Practitioner
BELOIT HEALTH SYSTEM, 1969 WEST HART RD
BELOIT, WI 53511
Rock County (608) 364-5689

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marek Lisek's NPI number?

The NPI number for Marek Lisek is 1932858594. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Marek Lisek located?

Marek Lisek practices at Beloit Health System 1969 W Hart Road, Beloit, WI 53511. The listed phone number is (608) 363-5971.

What is Marek Lisek's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Marek Lisek enrolled in Medicare?

Yes. Marek Lisek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Marek Lisek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marek Lisek reassigns Medicare benefits to Beloit Health System, Inc (Beloit, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marek Lisek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marek Lisek accept?

Health plans from Quartz list Marek Lisek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marek Lisek affiliated with any hospitals?

According to CMS data, Marek Lisek is affiliated with Beloit Health System.

When was this NPI record last updated?

The NPPES record for Marek Lisek was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.