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    v1.0.28
    OpenPayerNPI Medicare & MedicaidGretchen Johns
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    Gretchen Johns — Billing Profile & Reimbursement Data

    NPI 1750301172 · Jacksonville, FL · Clinical Pathology/Laboratory Medicine Physician

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    Gretchen Johns is a clinical pathology/laboratory medicine physician provider located in Jacksonville, Florida. This profile covers 24 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
    OrganizationGretchen Johns
    Address4500 San Pablo Rd S
    CityJacksonville
    StateFL
    ZIP32224
    TaxonomyClinical Pathology/Laboratory Medicine Physician
    NPI EnumeratedJuly 20, 2006

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

    Payer SourceTotal Paid
    Medicare$553.3K
    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.

    24 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    36415In this procedure, the provider inserts a needle into a vein to collect a blood sample.57,100$10$456.8K
    85610Prothrombin time is most commonly measured using the blood plasma. Chemicals like calcium and tissue factor are added to the plasma sample and then the time is noted when the plasma clots. To analyze…9,300$1$37.2K
    82565The lab analyst measures the amount of creatinine in a patient specimen, typically of blood. Creatinine is the waste material generated by the muscle tissue produced from the breakdown of creatine…2,990$10$15K
    85730The analyst performs the technical lab test using plasma or whole blood to measure partial thromboplastin time, PTT, also called APTT, activated partial thromboplastin time. The PTT assay can help…850$10$5.1K
    81050The lab analyst measures and records the volume of the urine collected during a timed collection.1,160$1$4.6K
    85390A physician or nonphysician lab professional provides interpretation and report of lab tests to evaluate fibrinolysis and coagulation.110$30$3.1K
    85379The lab analyst performs a test using patient plasma to measure the level of D–dimer in the specimen.140$10$1.4K
    80053The lab analyst performs a comprehensive metabolic panel, or CMP test in which he measures the blood level of 14 chemicals the code descriptor lists for the panel.110$10$1.1K
    85384The lab analyst performs the technical steps of a test for clotting activity of fibrinogen.70$10$690
    85397The lab analyst performs a test for functional activity of a specific biochemical compound related to coagulation or fibrinolysis that does not have a separate, specific procedure code.20$30$630

    Showing 1–10 of 24

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 24 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    24 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    800538581,430170$10$21.3K
    88291202090$30$9.1K
    85613410220$10$5.4K
    8004858961040$10$5.4K
    3641566,02080$10$5K
    8573067050$10$4.3K
    85598410220$20$4.2K
    8537963030$10$2.8K
    8524051090$20$2.4K
    8538451090$10$2.3K

    Showing 1–10 of 24

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Mayo Clinic JacksonvilleFLClinical Medical Laboratory$9.3M$105.3K
    Jeremy JonesFLHematology & Oncology Physician$2.3M$0
    Winston TanFLHematology & Oncology Physician$1.8M$0
    Ernesto AyalaFLHematology (Internal Medicine) Physician$1.7M$0
    Asit JhaGAMedical Oncology Physician$1.7M$0
    Jason YoungFLDiagnostic Radiology Physician$1.7M$0
    Steven AttiaFLHematology & Oncology Physician$1.6M$0
    Michael StewartFLOphthalmology Physician$1.5M$0
    Ephraim ParentFLNuclear Medicine Physician$1.5M$0
    Sikander AilawadhiFLHematology & Oncology Physician$1.4M$0

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Centurion Surgery Center Of Jacksonville, LLCFLAmbulatory Surgical Clinic/Center$2.1M$0
    Surgery Center Operations, LLCFLAmbulatory Surgical Clinic/Center$1.5M$0
    Akash SharmaFLDiagnostic Radiology Physician$1.4M$0
    Vivek RoyFLHematology & Oncology Physician$1.4M$0
    Muhamad Alhaj MoustafaFLHematology & Oncology Physician$1.4M$0
    Umair MajeedFLHematology & Oncology Physician$1.3M$0
    Joseph AccursoFLDiagnostic Radiology Physician$1.3M$0
    Hani BabikerFLHematology & Oncology Physician$1.3M$0
    Talha BadarFLHematology & Oncology Physician$1.3M$0
    Gerardo Colon-oteroFLHematology & Oncology Physician$1.2M$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. Florida Distribution
    Gretchen Johns — 4 of 24 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Florida