What is Margaret Zabiega's specialty?

Margaret Zabiega (NPI 1578564654) is a Medicare-billing provider whose primary specialty is Hospitalist in Joliet, IL.

Where does Margaret Zabiega practice?

Margaret Zabiega practices in Joliet, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1578564654.

How much does Medicare pay Margaret Zabiega?

Margaret Zabiega (NPI 1578564654) received approximately $143K in total Medicare Part B payments, serving 536 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578564654

Margaret ZabiegaM.D.

PRACTICEMIDWEST HOSPITALISTS LLCSee all providers at this practice →

HospitalistJoliet, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,105

Unique beneficiaries

—

Total services

1,725

Distinct HCPCS

Medicare payment

$142K

Peer benchmark

Total Medicare services vs. 1,187 Hospitalist providers in IL — top quintile (cohort median 542).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$592

Distinct drugs

Brand share

34.3%

Top prescribed drugs

Pantoprazole Sodium18 claims

Cephalexin17 claims

Hydrocodone/Acetaminophen13 claims

Cefuroxime Axetil11 claims

Metoprolol Succinate11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Margaret Zabiega's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 96 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRESENCE CENTRAL AND SUBURBAN HOSPITALS NETWORK	765	3,431
Andrew Johanek Diagnostic Radiology · Chicago, IL	240	1,073
Priya Venkataraman Hospitalist · Winfield, IL	233	1,646
John Dongas Clinical Cardiac Electrophysiology · New Lenox, IL	230	987
Rakesh Chaudhari Diagnostic Radiology · Woodridge, IL	225	1,116
Sarfaraz Haque Hospitalist · Joliet, IL	211	1,534
John Groch Diagnostic Radiology · Joliet, IL	210	981
Lipi Sekhadia Hospitalist · Winfield, IL	194	1,379
Joshua Tepper Vascular Surgery · Lake Forest, IL	174	837
KUSHNER, TERRY	166	750
James Urban Pathology · Joliet, IL	159	742
Jong-Yoon Yi Cardiology · New Lenox, IL	151	615

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events