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PROVIDER PROFILE · NPI 1386808913

Michael GrzelakM.D.

PRACTICECOMFORTLINK, INCSee all providers at this practice →
HospitalistWinfield, ILI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
95.6
Quality
88.5
Cost
0.0
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.87%
APM Entity
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
616
Unique beneficiaries
—
Total services
905
Distinct HCPCS
7
Medicare payment
$82K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,187 Hospitalist providers in IL — top quintile (cohort median 542).
REFERRAL NETWORK

Where Michael Grzelak'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). 74 inbound referrers · 138 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Erin Lynch
Hospitalist · Arlington Heights, IL
110457
Stephen Zivin
Diagnostic Radiology · Madison, CT
102271
Michael Bauer
Cardiology · Arlington Heights, IL
90252
Kenneth Spero
Diagnostic Radiology · Arlington Heights, IL
90253
David Dubois
Diagnostic Radiology · Saint Louis, MO
86220
Marc Roy
Diagnostic Radiology · Arlington Heights, IL
79219
Village Of Arlington Heights A
Ambulance Service Provider · Arlington Heights, IL
77161
Roberto Herrera
Hospitalist · Indianapolis, IN
72160
Vinay Singh
Diagnostic Radiology · Arlington Heights, IL
68166
Advantage Ambulance, Inc
Ambulance Service Provider · Schaumburg, IL
60131
Carl Kalbhen
Diagnostic Radiology · Arlington Heights, IL
59133
Paul Ruzumna
Cardiology · Arlington Heights, IL
54181
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTHWEST COMMUNITY HOSPITAL4051,396
Advantage Ambulance, Inc
Ambulance Service Provider · Schaumburg, IL
121279
Erin Lynch
Hospitalist · Arlington Heights, IL
109570
Evgueni Minev
Nephrology · Mount Prospect, IL
88324
Allan Malmed
Diagnostic Radiology · Arlington Heights, IL
80165
Brian Albert
Internal Medicine · Mt Prospect, IL
80231
Scott Preusen
Diagnostic Radiology · Springfield, IL
77157
Peter Cormier
Diagnostic Radiology · Arlington Heights, IL
73156
Jonathan Barker
Diagnostic Radiology · Arlington Heights, IL
72200
MELLIERE, BRAD68176
Anthony Malone
Diagnostic Radiology · Arlington Heights, IL
65151
Anand Soni
Cardiology · Larkspur, CA
64154
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.