What is Leszek Marczewski's specialty?

Leszek Marczewski (NPI 1508837972) is a Medicare-billing provider whose primary specialty is Family Practice in Sac City, IA.

Where does Leszek Marczewski practice?

Leszek Marczewski practices in Sac City, IA, based on the location reported in the CMS Medicare provider datasets for NPI 1508837972.

How much does Medicare pay Leszek Marczewski?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Leszek Marczewski (NPI 1508837972) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1508837972

Leszek Marczewski

PRACTICELORING HOSPITALSee all providers at this practice →

Family PracticeSac City, IAI

MEDICARE UTILIZATION · PART B · 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

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 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

Physician	Patients	Visits
TRIMARK PHYSICIANS GROUP	355	3,119
LORING HOSPITAL	352	4,760
County Of Sac Ambulance Service Provider · Sac City, IA	57	269
Tonya Lankford Nurse Practitioner · Sac City, IA	53	327
BUENA VISTA REGIONAL MEDICAL CENTER	49	397
TRINITY REGIONAL MEDICAL CENTER	43	197
ABCM CORPORATION	36	844
ENGELER, CHRISTOPHER	32	130
Sharon Arndt-Nelson Nurse Practitioner · Storm Lake, IA	27	118
TRIMARK PHYSICIANS GROUP	27	123
KUNDEL, RICHARD	26	104
CARE INITIATIVES	25	257

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