Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerNPI Medicare & MedicaidJoseph Kowalczyk
    Ask Trek AI about this page

    Joseph Kowalczyk — Billing Profile & Reimbursement Data

    NPI 1831166255 · Oak Lawn, IL · Internal Medicine Physician

    Customize your policy alerts

    Sign up for Joseph Kowalczyk — Billing Profile & Reimbursement Data policy alerts

    Get alerted when relevant policies change without checking for updates manually.

    Monitor payer policy activity

    Receive email alerts as soon as relevant payer policies are published or updated.

    Joseph Kowalczyk is a internal medicine physician provider located in Oak Lawn, Illinois. This profile covers 43 Medicare and 0 Medicaid CPT/HCPCS procedure codes, with claims volume, average reimbursement, and total revenue by code, benchmarked against other providers billing the same services.

    Table of contents

    Progress1 / 8

    Explore openpayer tools

    • Billing CodesCPT, HCPCS, DRG & more
    • Reimbursement RatesCommercial vs. Medicare rate reports
    • ProvidersHospitals & facilities
    • PayersPlans & market footprint
    • Taxonomy CodesNUCC specialty codes
    • ModifiersCPT modifiers & usage
    • Prior AuthorizationPA policies by payer & drug
    • Timely FilingFiling deadlines by payer
    • Coverage CriteriaMedical necessity by payer
    • Payer ContactsClaims, PA & appeals contacts
    View all tools

    Provider details (source: NPPES NPI Registry)

    FieldValue
    Entity TypeIndividual
    OrganizationJoseph Kowalczyk
    Address4340 W 95th St
    CityOak Lawn
    StateIL
    ZIP60453
    TaxonomyInternal Medicine Physician
    NPI EnumeratedMarch 3, 2006

    Lifetime revenue by payer source (source: CMS Medicare & Medicaid claims data)

    Payer SourceTotal Paid
    Medicare$255.9K
    Medicaid$0

    Medicare: Total Revenue Breakdown by CPT/HCPCS Code

    Medicare revenue breakdown by CPT/HCPCS procedure code.

    View: Bar Chart1 / 2

    Medicare: Complete Services Breakdown

    The CPT/HCPCS codes generating the most Medicare revenue for this provider.

    43 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    99214The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a moderate level of medical decision making, and/or the…950$90$83.3K
    99232The provider sees a patient for a subsequent hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or…860$60$54.8K
    G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit230$130$31.2K
    99222The provider sees a patient for an initial hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or…150$100$15.4K
    99308The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a low level of medical decision making and/or the provider…180$60$10.9K
    99238The provider sees a patient for hospital inpatient or observation discharge day management, involving evaluation and management (E/M). The provider spends 30 minutes or less on the service on the…130$70$8.4K
    90732The provider intramuscularly or subcutaneously injects pneumococcal polysaccharide vaccine in an individual two years or older. This vaccine provides protection against meningitis and pneumonia that…50$130$6K
    G0008Administration of influenza virus vaccine150$30$4.7K
    90756This code represents a flu vaccine product that protects against four strains of influenza. It is derived from cell cultures, contains no antibiotics, and is administered as a 0.5 mL injection into…150$30$4.6K
    99495The provider manages the care of a patient during the transition to home care after discharge from a healthcare facility. The patient’s care requires at least moderate medical decision making,…30$160$4K

    Showing 1–10 of 43

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 43 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    43 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    993086771,290200$50$26.1K
    9921435518,540110$80$17.1K
    G04394314,03070$130$13.6K
    992322677,96090$60$12.4K
    9930539961060$100$11.1K
    80061150570100$10$10.1K
    8005324081090$10$9.4K
    9921310,52317,39070$60$8.8K
    206101,1071,55060$50$7.6K
    9949633056020$210$5.5K

    Showing 1–10 of 43

    Related Providers

    Other providers that share a Tax Identification Number (TIN) with Joseph Kowalczyk, ranked by combined Medicare and Medicaid revenue.

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Jacek GrelaILInternal Medicine Physician$305.2K$33.7K
    Eugene MuzykanskyILInternal Medicine Physician$156.9K$560

    Nearby Providers

    Other providers in the same ZIP code as Joseph Kowalczyk, ranked by combined Medicare and Medicaid revenue.

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Ayman RawdaILPediatrics Physician$0$15M
    Village Of Oak LawnILLand Ambulance$649.5K$11.6M
    Oda Solutions, IncILMethadone Clinic$0$9.7M
    Mazen RachidILPediatrics Physician$0$5.1M
    Ahmed RamahaILGeneral Practice Dentistry$0$4.9M
    Omprakash SawlaniILPediatrics Physician$0$3.3M
    Ghassan ZalzalehILHematology & Oncology Physician$3.1M$149K
    Amar HamadILHematology & Oncology Physician$3M$97.1K
    Sunil ShahILInternal Medicine Physician$256.6K$1.6M
    Chintan MistryILEmergency Medicine Physician$301K$1.5M

    Frequently Asked Questions

    References

    1. 1.Medicare Physician & Other Practitioner by Provider and Service. CMS.gov.Provider-level Medicare Part B utilization and payment data.
    2. 2.NPPES NPI Registry. CMS.gov.National Provider Identifier registry used for provider enumeration and taxonomy metadata.

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

    Medicare Revenue by CPT/HCPCS Code
    Claims Volume vs. Illinois Distribution
    Joseph Kowalczyk — 3 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Illinois