What is Leonard Ostrowski's specialty?

Leonard Ostrowski (NPI 1881691947) is a Medicare-billing provider whose primary specialty is Family Practice in Portage, IN.

Where does Leonard Ostrowski practice?

Leonard Ostrowski practices in Portage, IN, based on the location reported in the CMS Medicare provider datasets for NPI 1881691947.

How much does Medicare pay Leonard Ostrowski?

Leonard Ostrowski (NPI 1881691947) received approximately $121K in total Medicare Part B payments, serving 480 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881691947

Leonard OstrowskiM.D.

Family PracticePortage, INI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,020

Unique beneficiaries

—

Total services

1,627

Distinct HCPCS

Medicare payment

$117K

Peer benchmark

Total Medicare services vs. 2,007 Family Practice providers in IN — top quintile (cohort median 736).

PRESCRIBING · PART D · 2024

Total Rx claims

11,369

Beneficiaries

—

Total drug cost

$696K

Distinct drugs

146

Brand share

15.6%

Top prescribed drugs

Losartan Potassium603 claims

Amlodipine Besylate509 claims

Levothyroxine Sodium505 claims

Atorvastatin Calcium502 claims

Rosuvastatin Calcium415 claims

QUALITY · MIPS · 2024

Final MIPS score

90.7

Quality

76.2

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$803

Payment records

By payment type

Food and Beverage$803

Top paying entities

Food and Beverage$803

REFERRAL NETWORK

Where Leonard Ostrowski'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). 41 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PORTER HOSPITAL LLC	344	1,764
NORTHSHORE HEALTH CENTERS, INC.	111	389
Jeffrey Huth Diagnostic Radiology · Valparaiso, IN	68	218
Esther Lee Diagnostic Radiology · Valparaiso, IN	62	190
Omar Barakat Diagnostic Radiology · Valparaiso, IN	60	221
James Forde Diagnostic Radiology · Valparaiso, IN	56	158
Vivek Mishra Diagnostic Radiology · Laporte, IN	48	190
WHEAT, MICHAEL	44	223
Keith Atassi Cardiology · Valparaiso, IN	36	161
Steven Hossler Diagnostic Radiology · Fort Wayne, IN	30	98
Keith Gingerich Family Practice · Valparaiso, IN	25	56
PORTER-STARKE SERVICES INC	25	58

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events