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PROVIDER PROFILE · NPI 1164412136

James GreenbergM.D.

PRACTICEMERCY HEALTH SYSTEM CORPORATIONSee all providers at this practice →
General SurgeryLake Geneva, WII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 141335
Hospital
CCN 520066
Hospital
CCN 521357
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
313
Beneficiaries
—
Total drug cost
$3K
Distinct drugs
7
Brand share
60.4%
Top prescribed drugs
Pantoprazole Sodium89 claims
Ondansetron65 claims
Hydrocodone/Acetaminophen64 claims
Sodium Chloride/Nahco3/Kcl/Peg35 claims
Omeprazole20 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
37
Unique beneficiaries
—
Total services
46
Distinct HCPCS
2
Medicare payment
$4K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 491 General Surgery providers in WI — bottom quintile (cohort median 201).
REFERRAL NETWORK

Where James Greenberg'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). 7 inbound referrers · 20 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MERCY HEALTH SYSTEM CORPORATION102321
James Mccoy
Family Practice · Lake Geneva, WI
37209
Michael Strassman
Pathology · Janesville, WI
3375
MERCY HARVARD HOSPITAL INC1940
Gary Myron
Hospitalist · Lake Geneva, WI
1680
Douglas Bryan
Vascular Surgery · Woodstock, IL
1143
Rajesh Balagani
Pulmonary Disease · Janesville, WI
1125
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MERCY HEALTH SYSTEM CORPORATION2031,245
MERCY HEALTH SYSTEM CORPORATION75213
Robert Fasano
Hospitalist · Lake Geneva, WI
33103
Deana Courier
Hospitalist · Monroe, WI
32129
James Mccoy
Family Practice · Lake Geneva, WI
31127
Thomas Haas
Pathology · Janesville, WI
2675
MERCY HARVARD HOSPITAL INC2151
Gary Myron
Hospitalist · Lake Geneva, WI
2082
Shahid Shekhani
Medical Oncology · Janesville, WI
19114
Michael Strassman
Pathology · Janesville, WI
1938
David Henry
Diagnostic Radiology · Cedar Rapids, IA
1963
Daniel Allison
Family Practice · Waterford, WI
1875
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.