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PROVIDER PROFILE · NPI 1477549103

John Kefer

PRACTICECORNERSTONE MEDICAL GROUP PCSee all providers at this practice →
Internal MedicineGeneva, ILI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PricingContactPrivacyTerms
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
No data available for this provider in 2024.
REFERRAL NETWORK

Where John Kefer'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). 116 inbound referrers · 255 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
DELNOR COMMUNITY HOSPITAL1,3864,020
Kurt Williams
Internal Medicine · Geneva, IL
4071,617
Kiran Talanki
Diagnostic Radiology · Geneva, IL
371888
CENTRAL DUPAGE HOSPITAL ASSOCIATION347858
William Mackin
Interventional Cardiology · Geneva, IL
305858
Ross Van Dorpe
Cardiology · Geneva, IL
3021,110
Terry Labarre
Internal Medicine · Geneva, IL
2971,024
William Towne
Interventional Cardiology · Geneva, IL
163493
Parkson Lin
Emergency Medicine · Geneva, IL
144311
Ankur Dhawan
Emergency Medicine · Wheaton, IL
141307
Brian Dunleavy
Emergency Medicine · Elgin, IL
136350
Maria Fassari
Hospitalist · Janesville, WI
128521
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
DELNOR COMMUNITY HOSPITAL6051,784
Kurt Williams
Internal Medicine · Geneva, IL
3041,175
CENTRAL DUPAGE HOSPITAL ASSOCIATION304787
Kalyana Poruri
Diagnostic Radiology · Geneva, IL
279569
Sidney Jain
Diagnostic Radiology · Geneva, IL
257543
Ross Van Dorpe
Cardiology · Geneva, IL
250996
Joseph Persak
Diagnostic Radiology · Geneva, IL
247522
Kimberly Chaney
Diagnostic Radiology · Maywood, IL
245496
Terry Labarre
Internal Medicine · Geneva, IL
234804
Superior Air-Ground Ambulance Service, Inc
Ambulance Service Provider · Elmhurst, IL
219514
William Mackin
Interventional Cardiology · Geneva, IL
208587
Kiran Talanki
Diagnostic Radiology · Geneva, IL
202467
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.