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PROVIDER PROFILE · NPI 1467422451

Richard ZakMD

PRACTICEROBERT J BARNES MD LTDSee all providers at this practice →
OphthalmologyAurora, ILI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Richard Zak'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). 4 inbound referrers · 11 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
COPLEY MEMORIAL HOSPITAL, INC.54198
PRESENCE CENTRAL AND SUBURBAN HOSPITALS NETWORK2866
CENTRAL DUPAGE HOSPITAL ASSOCIATION2047
Basharat Muneer
Cardiology · Aurora, IL
1456
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
COPLEY MEMORIAL HOSPITAL, INC.57178
Quest Diagnostics Llc Il
Clinical Laboratory · Wood Dale, IL
50118
Robert Barnes
Ophthalmology · Aurora, IL
28126
PRESENCE CENTRAL AND SUBURBAN HOSPITALS NETWORK2660
Robert Foody
Ophthalmology · Aurora, IL
2258
DELNOR COMMUNITY HOSPITAL1525
GILL, SANTOSH1435
Basharat Muneer
Cardiology · Aurora, IL
1361
CENTRAL DUPAGE HOSPITAL ASSOCIATION1236
Edward Lipman
Clinical Cardiac Electrophysiology · Aurora, IL
1130
Vijay Shah
Interventional Cardiology · Aurora, IL
1117
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.
PRESCRIBING · PART D · 2024
Total Rx claims
119
Beneficiaries
—
Total drug cost
$3K
Distinct drugs
6
Brand share
21.0%
Top prescribed drugs
Latanoprost26 claims
Dorzolamide Hcl/Timolol Maleat25 claims
Prednisolone Acetate22 claims
Timolol Maleate20 claims
Brimonidine Tartrate15 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$481
Payment records
11
By payment type
Food and Beverage$481
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
863
Unique beneficiaries
—
Total services
3,273
Distinct HCPCS
12
Medicare payment
$675K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 667 Ophthalmology providers in IL — top quintile (cohort median 2,192).