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PROVIDER PROFILE · NPI 1508837972

Leszek Marczewski

PRACTICELORING HOSPITALSee all providers at this practice →
Family PracticeSac City, IAI
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.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
6,597
Beneficiaries
—
Total drug cost
$515K
Distinct drugs
128
Brand share
22.5%
Top prescribed drugs
Levothyroxine Sodium343 claims
Atorvastatin Calcium242 claims
Lisinopril188 claims
Amlodipine Besylate188 claims
Gabapentin186 claims
REFERRAL NETWORK

Where Leszek Marczewski'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
TRIMARK PHYSICIANS GROUP3553,119
LORING HOSPITAL3524,760
County Of Sac
Ambulance Service Provider · Sac City, IA
57269
Tonya Lankford
Nurse Practitioner · Sac City, IA
53327
BUENA VISTA REGIONAL MEDICAL CENTER49397
TRINITY REGIONAL MEDICAL CENTER43197
ABCM CORPORATION36844
ENGELER, CHRISTOPHER32130
Sharon Arndt-Nelson
Nurse Practitioner · Storm Lake, IA
27118
TRIMARK PHYSICIANS GROUP27123
KUNDEL, RICHARD26104
CARE INITIATIVES25257
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.