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PROVIDER PROFILE · NPI 1124022728

John Zernia

PRACTICEGUNDERSEN CLINIC LTDSee all providers at this practice →
Emergency MedicineLa Crosse, WII
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 520087
Hospital
CCN 521309
Hospital
CCN 521316
Hospital
CCN 521344
Hospital
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$39K
Payment records
12
By payment type
Consulting Fee$39K
REFERRAL NETWORK

Where John Zernia'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). 8 inbound referrers · 37 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
GUNDERSEN LUTHERAN MEDICAL CENTER INC185898
MANSKE, BRIAN1929
TOMAH MEMORIAL HOSPITAL INC1931
Alexander Bajgrowicz
Diagnostic Radiology · Milwaukee, WI
1636
Brian Mulrennan
Internal Medicine · La Crosse, WI
1623
William Bishop
Emergency Medicine · La Crosse, WI
1354
Daniel Schraith
Pathology · La Crosse, WI
1221
Heather Wichman
Diagnostic Radiology · La Crosse, WI
1218
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
GUNDERSEN LUTHERAN MEDICAL CENTER INC2621,471
JOHNSON, GORDON69139
Tri-State Ambulance, Inc.
Ambulance Service Provider · La Crosse, WI
61159
TOMAH MEMORIAL HOSPITAL INC4578
Paul Stanton
Diagnostic Radiology · La Crosse, WI
3777
Jody Riherd
Diagnostic Radiology · La Crosse, WI
3770
UDELL, JOHN3162
MAYO CLINIC HEALTH SYSTEM-SOUTHWEST WISCONSIN REGION, INC.29117
DERRIG, PEARSE2865
Todd Ebbert
Diagnostic Radiology · La Crosse, WI
2747
Gabriela Dumitran
Diagnostic Radiology · La Crosse, WI
2438
Michael Witcik
Internal Medicine · La Crosse, WI
2443
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.