What is Joseph Kowalczyk's specialty?

Joseph Kowalczyk (NPI 1831166255) is a Medicare-billing provider whose primary specialty is Internal Medicine in Oak Lawn, IL.

Where does Joseph Kowalczyk practice?

Joseph Kowalczyk practices in Oak Lawn, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1831166255.

How much does Medicare pay Joseph Kowalczyk?

Joseph Kowalczyk (NPI 1831166255) received approximately $267K in total Medicare Part B payments, serving 724 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831166255

Joseph KowalczykMD

Internal MedicineOak Lawn, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,351

Unique beneficiaries

—

Total services

5,956

Distinct HCPCS

Medicare payment

$262K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

21,295

Beneficiaries

—

Total drug cost

$1.0M

Distinct drugs

170

Brand share

16.6%

Top prescribed drugs

Atorvastatin Calcium1,201 claims

Amlodipine Besylate1,040 claims

Levothyroxine Sodium921 claims

Furosemide714 claims

Metoprolol Succinate616 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$760

Payment records

By payment type

Food and Beverage$760

Top paying entities

Food and Beverage$760

REFERRAL NETWORK

Where Joseph Kowalczyk'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). 55 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PARK VILLA NURSING AND REHABILITATION CENTER LLC	78	867
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	72	452
Masood Qazi Cardiology · Oak Lawn, IL	70	453
PIERCE, KENNETH	50	412
Jeffrey Neiger Clinical Cardiac Electrophysiology · Oak Lawn, IL	47	480
James Song Diagnostic Radiology · Oak Lawn, IL	43	335
FANAPOUR, FREDERICK	43	301
Beck Hur Diagnostic Radiology · Lake Forest, IL	39	176
Yasemin Ozcan Physical Medicine and Rehabilitation · Chicago, IL	37	333
Joel Benveniste Diagnostic Radiology · Nashville, TN	37	274
High Technology Inc Independent Diagnostic Testing Facility (IDTF) · Palos Heights, IL	32	114
RAINES, ROBERT	31	338

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