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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. Harris Histology Services Llc
⚕️
Organization

Harris Histology Services Llc

NPI: 1831579200
Tustin, CA
8 years of data
All Other Suppliers
$3.6M
Total Payments
82.5K
Beneficiaries
123.2K
Services
1.29x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$3.6M
Specialty median$226.1K

📋 Key Findings

1Billed $3.6M over 8 years
297th percentile in All Other Suppliers by payments
3Payments surged 155% in 2017
✓ No flags detected

🔎 Data Analysis

This provider's $3.6M in total Medicare payments ranks in the 97th percentile of All Other Suppliers providers nationally.

Medicare payments to this provider grew 100% from 2016 to 2023.

99% 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

📈

Notable: Payments increased 155% in 2017

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

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
2016$63.65$49.891.28x$13.76$216.7K6.6K5.4K
2017$60.44$47.301.28x$13.14$553.2K19.9K12.8K
2018$60.48$46.241.31x$14.24$549.9K20.4K13.3K
2019$61.58$47.941.28x$13.64$538.5K19.4K12.7K
2020$65.20$51.071.28x$14.13$424.0K14.3K9.6K
2021$39.60$31.341.26x$8.26$475.1K15.2K10.0K
2022$70.82$55.851.27x$14.97$454.2K14.2K9.5K
2023$72.53$56.861.28x$15.67$432.7K13.2K9.0K

Top Procedures (2)

88305Pathology examination of tissue using a microscope, intermediate complexity
$3.6M
122.8K services$29.47/svc1.29x markup
88312Special stained specimen slides to identify organisms including interpretation and report
$24.6K
356 services$69.00/svc1.28x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
88305Pathology examination of tissue using a microscope, intermediate complexity122.8K$3.6M$29.471.29x
88312Special stained specimen slides to identify organisms including interpretation and report356$24.6K$69.001.28x

Markup Analysis

Charge-to-Payment Ratio

1.29x

This provider submits charges 1.29 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.29x means for every $100 Medicare pays, this provider initially charges $129. This is lower than the national average.

Location

Tustin, 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.

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