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PROVIDER PROFILE · NPI 1275656340

Jay KoynerM.D.

NephrologyChicago, ILI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 140088
Hospital
CCN 140186
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
296
Beneficiaries
—
Total drug cost
$57K
Distinct drugs
12
Brand share
21.6%
Top prescribed drugs
Calcitriol54 claims
Losartan Potassium36 claims
Dapagliflozin Propanediol30 claims
Furosemide29 claims
Lisinopril26 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$13K
Payment records
19
By payment type
Consulting Fee$6K
Education$5K
Travel and Lodging$963
Food and Beverage$596
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
242
Unique beneficiaries
—
Total services
378
Distinct HCPCS
7
Medicare payment
$26K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 404 Nephrology providers in IL — bottom quintile (cohort median 1,672).
REFERRAL NETWORK

Where Jay Koyner'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). 37 inbound referrers · 58 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
GREENBERG, BRENT56583
MACMAHON, HEBER54823
Jeffrey Leef
Interventional Radiology · Chicago, IL
49291
NPI 112418163142232
Alexandra Funaki
Diagnostic Radiology · Burr Ridge, IL
41359
Karin Dill
Diagnostic Radiology · Atlanta, GA
39322
Mary Hammes
Nephrology · Chicago, IL
39425
Steven Zangan
Diagnostic Radiology · Chicago, IL
36275
Melvy Mathew
Diagnostic Radiology · Roseville, MN
34275
John Edward Blair
Interventional Cardiology · Seattle, WA
33173
Amit Patel
Cardiology · Charlottesville, VA
33157
City Of Chicago
Ambulance Service Provider · Chicago, IL
29116
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
THE UNIVERSITY OF CHICAGO MEDICAL CENTER136948
Steven Montner
Diagnostic Radiology · Chicago, IL
56543
Medical Express Ambulance Service, Inc
Ambulance Service Provider · Skokie, IL
52197
GREENBERG, BRENT51294
MACMAHON, HEBER48409
Hatim Hassan
Nephrology · Chicago, IL
43397
Tamar Polonsky
Cardiology · Chicago, IL
43146
Christopher Straus
Diagnostic Radiology · Chicago, IL
39218
Alexandra Funaki
Diagnostic Radiology · Burr Ridge, IL
37196
Jeffrey Leef
Interventional Radiology · Chicago, IL
34171
Karin Dill
Diagnostic Radiology · Atlanta, GA
33274
NPI 112418163132105
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.