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Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
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    Methodology•Download Data
    1. Home
    2. Providers
    3. Borsting Laboratories, Inc
    ⚕️
    Organization

    Borsting Laboratories, Inc

    NPI: 1457318909
    Novato, CA
    10 years of data
    Slide Preparation Facility
    $7.5M
    Total Payments
    153.6K
    Beneficiaries
    234.1K
    Services
    2.72x
    Markup Ratio

    Peer Comparison

    99th
    percentile in specialty
    This provider$7.5M
    Specialty median$190.2K

    📋 Key Findings

    1Billed $7.5M over 10 years
    22.72x markup ratio (above median)
    399th percentile in Slide Preparation Facility by payments
    ✓ No flags detected

    🔎 Data Analysis

    This provider's $7.5M in total Medicare payments ranks in the 99th percentile of Slide Preparation Facility providers nationally.

    97% of their billing comes from a single procedure code (88305 — Pathology examination of tissue using a microscope, intermediate complexity).

    AI-generated analysis based on Medicare payment data.

    Annual Medicare Payments

    Annual Services Provided

    Avg Payment per Service

    Markup Ratio Over Time

    Submitted Charges vs. Medicare Payments

    Average per-service amounts submitted by the provider compared to what Medicare actually paid — the gap represents the markup.

    YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
    2014$94.47$48.401.95x$46.07$777.0K25.4K16.7K
    2015$94.47$51.261.84x$43.21$792.9K24.0K15.6K
    2016$94.47$51.691.83x$42.78$819.7K25.0K16.1K
    2017$94.48$49.211.92x$45.27$772.2K27.3K17.8K
    2018$94.47$49.701.90x$44.77$777.4K26.9K17.8K
    2019$94.47$51.621.83x$42.85$809.7K26.9K17.9K
    2020$94.47$55.841.69x$38.63$699.7K21.7K14.6K
    2021$94.47$56.011.69x$38.46$770.8K22.5K15.0K
    2022$94.47$57.231.65x$37.24$662.3K18.5K12.3K
    2023$94.47$58.171.62x$36.30$607.1K16.0K9.9K

    Top Procedures (2)

    88305Pathology examination of tissue using a microscope, intermediate complexity
    $7.3M
    231.0K services$31.41/svc2.76x markup
    88312Special stained specimen slides to identify organisms including interpretation and report
    $231.7K
    3.1K services$75.73/svc1.35x markup
    Show detailed table ▾
    CodeDescriptionServicesPaymentsAvg/ServiceMarkup
    88305Pathology examination of tissue using a microscope, intermediate complexity231.0K$7.3M$31.412.76x
    88312Special stained specimen slides to identify organisms including interpretation and report3.1K$231.7K$75.731.35x

    Markup Analysis

    Charge-to-Payment Ratio

    2.72x

    This provider submits charges 2.72 times higher than what Medicare actually pays.

    What This Means

    A markup ratio of 2.72x means for every $100 Medicare pays, this provider initially charges $272. This is higher than the national average.

    Location

    Novato, CA

    Provider Verification

    Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

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    Data Sources

    • • Centers for Medicare & Medicaid Services (CMS)
    • • Medicare Provider Utilization and Payment Data (2014-2023)
    • • National Plan and Provider Enumeration System (NPPES)

    Last Updated: February 2026 (data through 2023, the latest CMS release)

    Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

    Believe this data is inaccurate? Dispute this data