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    v1.0.28
    OpenPayerNPI Medicare & MedicaidRena Callahan
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    Rena Callahan — Billing Profile & Reimbursement Data

    NPI 1487856779 · Valencia, CA · Internal Medicine Physician

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    Rena Callahan is a internal medicine physician provider located in Valencia, California. This profile covers 30 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
    OrganizationRena Callahan
    Address27235 Tourney Rd Ste 2400
    CityValencia
    StateCA
    ZIP91355
    TaxonomyInternal Medicine Physician
    NPI EnumeratedMay 31, 2007

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

    Payer SourceTotal Paid
    Medicare$362.5K
    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.

    30 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…1,050$110$111.6K
    J0897Injection, denosumab, 1 mg6,060$20$109.1K
    96413Chemotherapy is a therapeutic procedure used for the treatment of cancer via the use of chemical agents. These chemical agents (drugs) work on the cancerous cells of the body to destroy them. These…240$120$28.8K
    99215The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a high level of medical decision making, and/or the…180$150$25.7K
    J9394Injection, fulvestrant (fresenius kabi) not therapeutically equivalent to j9395, 25 mg1,740$10$24.4K
    99205The provider sees a new patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a high level of medical decision making, and/or the provider…70$190$13.2K
    96365The provider administers the initial intravenous infusion of a medication or other substance for a period up to one hour to prevent, treat, or diagnose a condition or disease.130$60$7.5K
    96417In this add–on procedure, the provider continues administration of a chemotherapy drug into a vein using an infusion technique. He uses this code to report administration of a different chemotherapy…90$60$5.4K
    96402In this procedure, the provider administers chemotherapy either subcutaneously, meaning under the skin, or intramuscularly, meaning in muscle. He administers a hormonal anti–neoplastic drug.170$30$5K
    99233The provider sees a patient for a subsequent hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a high level of medical decision making or the…50$100$4.6K

    Showing 1–10 of 30

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 30 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    30 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    J08972691,0303,060$20$91.4K
    96413219620170$120$26.9K
    992338,81211,530120$100$26.2K
    992141,43637,970120$90$23.2K
    850253761,210150$10$17.2K
    J93942101,040$10$15.5K
    992152,43515,36050$130$14.4K
    992239,70513,19050$140$11.3K
    9636524679080$60$9.7K
    364151,0754,54080$10$7.4K

    Showing 1–10 of 30

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Regents Univ Of Calif Los AngelesCAGeneral Acute Care Hospital$0$41.5M
    The Regents Of The University Of CaliforniaCAInternal Medicine Physician$0$35.9M
    Allen HuMDOphthalmology Physician$8.9M$32.5K
    Sujit IttyAZOphthalmology Physician$6.2M$11.3K
    Steven NewmanFLMedical Oncology Physician$5.7M$0
    Brian DicarloCAHematology & Oncology Physician$4.7M$0
    Roger GoldbergCARetina Specialist (Ophthalmology) Physician$4.6M$0
    David CuppCARetina Specialist (Ophthalmology) Physician$3.8M$0
    Daniel GreenwaldCAMedical Oncology Physician$3.5M$0
    Samuel SlomowitzCAHematology & Oncology Physician$3.4M$0

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Shield California Health Care Center IncCAParenteral & Enteral Nutrition Supplies (DME)$0$523.3M
    Los Angeles County Department Of Mental HealthCAMental Health Clinic/Center (Including Community Mental Health Center)$0$38.9M
    Advanced Bionics, LLC.CADurable Medical Equipment & Medical Supplies$6.9M$25.3M
    Alexander BlackCAHematology & Oncology Physician$1.4M$0
    Joshua HanelinCADiagnostic Radiology Physician$1.2M$0
    Tourney Plaza Surgical CenterCAAmbulatory Surgical Clinic/Center$973.3K$0
    Craig HelmCAOphthalmology Physician$586.2K$0
    Franco GarciaCAPhysician Assistant$475.2K$0
    Jared NiskaCAOrthopaedic Hand Surgery Physician$371.1K$0
    Samad ZaheeruddinCAInterventional Cardiology Physician$365.8K$0

    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. California Distribution
    Rena Callahan — 1 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California