PROVIDER PROFILE · NPI 1912979451

John LesniakM.D.

Family PracticeHartland, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

532

Unique beneficiaries

—

Total services

655

Distinct HCPCS

Medicare payment

$45K

Peer benchmark

Total Medicare services vs. 2,096 Family Practice providers in WI — above median (cohort median 478).

PRESCRIBING · PART D · 2024

Total Rx claims

5,305

Beneficiaries

—

Total drug cost

$305K

Distinct drugs

Brand share

17.9%

Top prescribed drugs

Atorvastatin Calcium464 claims

Pravastatin Sodium299 claims

Lisinopril241 claims

Amlodipine Besylate204 claims

Losartan Potassium200 claims

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 Lesniak'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROHEALTH OCONOMOWOC MEMORIAL HOSPITAL, INC.	33	151
Catherine Way Family Practice · Hartland, WI	25	66
Gary Beyer Diagnostic Radiology · Waukesha, WI	15	20
KALUSH, LARA	12	51
Jennifer Bergin Diagnostic Radiology · Waukesha, WI	12	25
William Burns Cardiology · Waukesha, WI	12	47
David Roelke Diagnostic Radiology · Waukesha, WI	11	16

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history