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PROVIDER PROFILE · NPI 1861454571

Ronald GrenkoMD

PRACTICELANCASTER GENERAL HEALTHSee all providers at this practice →
PathologyLancaster, PAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,149
Unique beneficiaries
—
Total services
1,836
Distinct HCPCS
15
Medicare payment
$49K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 593 Pathology providers in PA — above median (cohort median 1,465).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$17
Payment records
1
By payment type
Food and Beverage$17
REFERRAL NETWORK

Where Ronald Grenko'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). 67 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
LANCASTER GENERAL HOSPITAL6141,618
Melissa Mckernan Pulliam
Clinical Cardiac Electrophysiology · Lancaster, PA
72104
John Briguglio
Diagnostic Radiology · Hershey, PA
4468
Jeffrey Kramer
Diagnostic Radiology · Allentown, PA
4156
Keith Haidet
Diagnostic Radiology · Hershey, PA
3242
TURULA, JON3136
Robert Gress
Diagnostic Radiology · Lancaster, PA
3044
Lancaster Emergency Medical Services Association
Ambulance Service Provider · Millersville, PA
3039
Maurice Perry
Diagnostic Radiology · Lancaster, PA
2838
Patrick Weybright
Diagnostic Radiology · Lancaster, PA
2739
KOCH, PAMELA2735
Matthew Wiggins
Diagnostic Radiology · Lancaster, PA
2634
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.