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    v1.0.28
    OpenPayerNPI Medicare & MedicaidAri Katerelos
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    Ari Katerelos — Billing Profile & Reimbursement Data

    NPI 1861607418 · Tamuning, GU · Radiation Oncology Physician

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    Ari Katerelos is a radiation oncology physician provider located in Tamuning, Guam. This profile covers 12 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.

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    Provider details (source: NPPES NPI Registry)

    FieldValue
    Entity TypeIndividual
    OrganizationAri Katerelos
    Address633 Gov Carlos Camacho Rd Ste B-1
    CityTamuning
    StateGU
    ZIP96913
    TaxonomyRadiation Oncology Physician
    NPI EnumeratedMay 14, 2007

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

    Payer SourceTotal Paid
    Medicare$2.1M
    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.

    12 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    77525This code represents the technical component of a procedure in which the provider administers radiation therapy using a beam of protons to irradiate the cancer. The treatment performed is complex,…1,220$1,030$1.3M
    77523This code represents the technical component of a procedure in which the provider administers radiation therapy using a beam of protons to irradiate the cancer. The treatment performed is…630$910$575.8K
    77014N/A1,260$110$137.2K
    G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy600$70$40.6K
    77373This code represents the technical component of a procedure in which the provider performs stereotactic body radiation therapy. The therapy uses a three–dimensional coordinate system to locate small…40$940$38.4K
    77336This code is for reporting ongoing medical physics consultation. When a patient is undergoing radiation treatment for a particular span of time with a number of therapy sessions every week, the…230$80$18.5K
    77334The provider designs, develops, and constructs special and customized devices for proper radiation dose delivery and protection of nearby healthy tissues.130$110$14.1K
    77427Radiation therapy utilizes ionizing radiation beams that are directed at cancerous cells in order to destroy them. The radiation, damages the DNA (the genetic material) in the cell, thus preventing…40$160$6.8K
    72197In this diagnostic procedure, the provider performs magnetic resonance imaging (MRI) of the pelvis first without using contrast and again after injecting contrast material.20$240$4.7K
    77300Radiation therapy is one of the most effective treatment methods for cancerous tumors. Due to its negative side effects like damage to the healthy cells, radiation therapy involves thorough planning…40$60$2.4K

    Showing 1–10 of 12

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 12 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    12 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    G60021810570$60$34.2K
    7742738510150$140$22.1K
    773365710120$70$8K
    721973631030$260$7.9K
    7730041510150$50$7.6K
    773342021050$110$5.5K
    772634051020$130$3K
    A95795510680$1$810
    77014360N/A$N/A$N/A
    77373310N/A$N/A$N/A

    Showing 1–10 of 12

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Seventh-day Adventists Loma Linda University Medical CenterCAGeneral Acute Care Hospital$0$253.4M
    Faculty Physicians And Surgeons Of LlusmCAPediatrics Physician$0$66.4M
    Faculty Physicians And Surgeons Of LlusmCASurgery Physician$0$54.9M
    Aaron JengCAInternal Medicine Physician$43.2M$0
    City Of Hope Medical FoundationCAHematology & Oncology Physician$0$40.6M
    Primex Clinical Laboratories Inc.CAClinical Medical Laboratory$5.8M$27.3M
    Richard ParkCAInternal Medicine Physician$31.7M$0
    Harbinder BrarCAMaternal & Fetal Medicine Physician$0$31.3M
    Jack AzadCAGeneral Practice Physician$17.2M$0
    Ravindra GautamCAInternal Medicine Physician$13M$0

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Thomas LeeGUDentist$0$10.9M
    Guam Memorial HospitalGUGeneral Acute Care Hospital$0$3.5M
    Rsa - Tumon, LLCGUEnd-Stage Renal Disease (ESRD) Treatment Clinic/Center$0$2.9M
    Robert YangGUDentist$0$2.4M
    Antonio GarciaGUPediatrics Physician$0$2.2M
    Ma Gladys LinsanganGUPediatrics Physician$0$2.2M
    Guam X-rayGUVascular & Interventional Radiology Physician$0$2.1M
    Sarah CleggGUGeneral Practice Dentistry$0$1.7M
    Peter Kh GoGUSurgery Physician$152.8K$1.5M
    Leopoldo ArcillaGUInternal Medicine Physician$81.3K$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. Guam Distribution
    Ari Katerelos — 3 of 8 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Guam