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    v1.0.28
    OpenPayerNPI Medicare & MedicaidWilliam Kasimer
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    William Kasimer — Billing Profile & Reimbursement Data

    NPI 1265485288 · Weymouth, MA · Anatomic Pathology Physician

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    William Kasimer is a anatomic pathology physician provider located in Weymouth, Massachusetts. 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
    OrganizationWilliam Kasimer
    Address85 Columbian St
    CityWeymouth
    StateMA
    ZIP02190
    TaxonomyAnatomic Pathology Physician
    NPI EnumeratedMay 19, 2006

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

    Payer SourceTotal Paid
    Medicare$110.3K
    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
    88305The physician, typically a pathologist, performs a level IV examination of a surgical pathology specimen. The examination includes accessioning the specimen into the lab, which involves formally…1,090$30$33.8K
    88307The physician, typically a pathologist, performs a level V examination of a surgical pathology specimen. The examination includes accessioning the specimen into the lab, which involves formally…300$70$20.9K
    88341The lab analyst applies an additional single antibody stain on a slide or slides prepared from the same patient specimen as the initial antibody stain, such as tumor tissue. Then a qualified…410$20$9.9K
    88112Selective cellular enhancement for cytopathology, such as the method of using a liquid–based slide preparation, uses a liquid–based medium to collect samples and preserve cells which can aid in…280$20$6.3K
    G0416Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method40$150$6K
    86255The lab analyst performs an immunoassay test to screen a patient’s blood, typically serum, for an antibody to a noninfectious agent using a fluorescent method. As a screening test, results show only…330$20$5K
    88342The lab analyst applies an initial single antibody stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a pathologist,…170$30$4.9K
    87207The lab analyst performs the technical lab test to analyze a specimen on a slide for inclusion bodies. The specimen is from a primary source.270$20$4.1K
    88360The lab analyst applies a single antibody stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a pathologist, evaluates the…110$40$3.7K
    88309The physician, typically a pathologist, performs a level VI examination of a surgical pathology specimen. The examination includes accessioning the specimen into the lab, which involves formally…20$120$2.7K

    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
    88305149520530$40$53.4K
    841654860250$10$13.7K
    863343060160$20$12.8K
    8834190430210$30$9K
    88342162470120$40$8.3K
    883072235080$70$7.5K
    G04163010030$160$7.1K
    8811237190110$30$6.2K
    883606126060$40$5.1K
    841662130160$20$4.6K

    Showing 1–10 of 24

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Shoreh FazeliMAAnatomic Pathology & Clinical Pathology Physician$112.6K$0
    Wei XingMAAnatomic Pathology & Clinical Pathology Physician$103.4K$6K
    Ludmila EpshteynMAAnatomic Pathology & Clinical Pathology Physician$100.3K$0
    Qin HuangMAAnatomic Pathology Physician$78.4K$3K
    Johng ChunMADiagnostic Radiology Physician$3.3K$0

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    South Shore Hospital Inc.MAGeneral Acute Care Hospital$0$95.1M
    Coastal Medical AssociatesMAAnesthesiology Physician$0$10M
    Jennifer ByerMAMedical Oncology Physician$3.5M$0
    Shields Imaging Of Eastern Massachusetts LLCMAMobile Radiology Clinic/Center$2.7M$774.1K
    Harbor Medical Associates, Inc.MAClinical Medical Laboratory$1.8M$420.7K
    New England Eye Surgical Center IncMAOphthalmologic Surgery Clinic/Center$1.8M$271.1K
    Harbor Medical Associates, Inc.MADiagnostic Radiology Physician$753K$191K
    Weymouth Endoscopy, LLCMAEndoscopy Clinic/Center$844.3K$4.7K
    Patricia HopkinsMAInternal Medicine Physician$733.6K$0
    George KroumpouzosMADermatology Physician$721.7K$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. Massachusetts Distribution
    William Kasimer — 0 of 24 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Massachusetts