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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.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Quest Diagnostics Clinical Laboratories Inc
๐Ÿ”ฌ
Organization

Quest Diagnostics Clinical Laboratories Inc

NPI: 1104016088
Maryland Heights, MO
10 years of data
Clinical Laboratory
$23.3M
Total Payments
1.1K
Beneficiaries
2.0M
Services
6.06x
Markup Ratio

Peer Comparison

96th
percentile in specialty
This provider$23.3M
Specialty median$1.9M

๐Ÿ“‹ Key Findings

1Billed $23.3M over 10 years
26.06x markup ratio (above median)
3Risk score: 71 โ€” flagged for review
496th percentile in Clinical Laboratory by payments
5Payments surged 54% in 2021
619 procedures with >3x markup

โš ๏ธ Flagged for Review

Risk Score: 71
  • 30x specialty median spending
  • Markup 8.4x (specialty median: 2.5x)
  • 166x specialty median beneficiaries
  • 105x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

๐Ÿ”Ž Data Analysis

This provider's $23.3M in total Medicare payments ranks in the 96th percentile of Clinical Laboratory providers nationally.

Their average markup ratio of 6.06x is significantly above the specialty median of 3.7x.

This provider has been statistically flagged with a risk score of 71/100. Statistical flags are not accusations of fraud.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

๐Ÿ“ˆ

Notable: Payments increased 54% in 2021

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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$72.87$13.835.27x$59.04$3.5M249.8K160
2015$72.64$14.195.12x$58.45$2.8M197.2K125
2016$72.69$14.634.97x$58.06$2.5M170.5K107
2017$72.93$14.415.06x$58.52$2.2M155.8K100
2018$71.78$13.755.22x$58.03$1.9M139.8K90
2019$72.11$12.265.88x$59.85$1.7M136.4K89
2020$65.42$10.586.18x$54.84$1.2M116.7K88
2021$64.21$9.186.99x$55.03$1.9M207.8K103
2022$67.03$8.547.85x$58.49$2.5M287.2K97
2023$72.18$9.087.95x$63.10$3.1M341.3K97

Top Procedures (20)

88305Pathology examination of tissue using a microscope, intermediate complexityโš  3.5x markup
$2.3M
61.5K services$37.09/svc3.55x markup
G0145Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervisionโš  4.1x markup
$1.7M
64.2K services$26.39/svc4.10x markup
87086Bacterial colony count, urineโš  6.9x markup
$1.6M
187.6K services$8.75/svc6.88x markup
80053Blood test, comprehensive group of blood chemicalsโš  7.8x markup
$1.4M
133.7K services$10.40/svc7.82x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell countโš  5.3x markup
$1.2M
139.0K services$8.41/svc5.32x markup
87088Bacterial urine cultureโš  4.3x markup
$1.1M
136.3K services$8.03/svc4.30x markup
80061Blood test, lipids (cholesterol and triglycerides)โš  10.6x markup
$1.1M
75.4K services$14.10/svc10.56x markup
87186Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilutionโš  7.0x markup
$1.0M
104.6K services$9.99/svc7.05x markup
87077Bacterial culture for aerobic isolatesโš  3.8x markup
$904.6K
97.8K services$9.25/svc3.75x markup
83036Hemoglobin a1c levelโš  7.7x markup
$790.3K
81.4K services$9.71/svc7.73x markup
87624Detection test for human papillomavirus (hpv)
$678.2K
14.7K services$46.23/svc2.76x markup
36415Insertion of needle into vein for collection of blood sampleโš  5.4x markup
$565.8K
137.9K services$4.10/svc5.37x markup
85610Blood test, clotting timeโš  7.7x markup
$519.3K
107.5K services$4.83/svc7.74x markup
87209Special stain for parasitesโš  5.5x markup
$438.7K
20.7K services$21.23/svc5.53x markup
87070Bacterial culture, any other source except urine, blood or stool, aerobicโš  9.1x markup
$409.2K
40.1K services$10.21/svc9.05x markup
87449Detection test by immunoassay technique for other organismโš  9.7x markup
$368.8K
26.9K services$13.70/svc9.71x markup
88175Pap test, automated thin layer preparation; automated system and manual rescreeningโš  4.1x markup
$367.1K
13.9K services$26.39/svc4.09x markup
87427Detection test by immunoassay technique for shiga-like toxin (bacterial toxin)โš  8.2x markup
$344.5K
24.8K services$13.91/svc8.18x markup
G0123Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under physician supervisionโš  4.1x markup
$337.9K
16.3K services$20.72/svc4.12x markup
87324Detection test by immunoassay technique for clostridium difficile toxins (stool pathogen)โš  9.1x markup
$312.5K
21.8K services$14.33/svc9.10x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
88305Pathology examination of tissue using a microscope, intermediate complexity61.5K$2.3M$37.093.55x
G0145Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervision64.2K$1.7M$26.394.10x
87086Bacterial colony count, urine187.6K$1.6M$8.756.88x
80053Blood test, comprehensive group of blood chemicals133.7K$1.4M$10.407.82x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count139.0K$1.2M$8.415.32x
87088Bacterial urine culture136.3K$1.1M$8.034.30x
80061Blood test, lipids (cholesterol and triglycerides)75.4K$1.1M$14.1010.56x
87186Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution104.6K$1.0M$9.997.05x
87077Bacterial culture for aerobic isolates97.8K$904.6K$9.253.75x
83036Hemoglobin a1c level81.4K$790.3K$9.717.73x
87624Detection test for human papillomavirus (hpv)14.7K$678.2K$46.232.76x
36415Insertion of needle into vein for collection of blood sample137.9K$565.8K$4.105.37x
85610Blood test, clotting time107.5K$519.3K$4.837.74x
87209Special stain for parasites20.7K$438.7K$21.235.53x
87070Bacterial culture, any other source except urine, blood or stool, aerobic40.1K$409.2K$10.219.05x
87449Detection test by immunoassay technique for other organism26.9K$368.8K$13.709.71x
88175Pap test, automated thin layer preparation; automated system and manual rescreening13.9K$367.1K$26.394.09x
87427Detection test by immunoassay technique for shiga-like toxin (bacterial toxin)24.8K$344.5K$13.918.18x
G0123Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, screening by cytotechnologist under physician supervision16.3K$337.9K$20.724.12x
87324Detection test by immunoassay technique for clostridium difficile toxins (stool pathogen)21.8K$312.5K$14.339.10x

Markup Analysis

Charge-to-Payment Ratio

6.06x

This provider submits charges 6.06 times higher than what Medicare actually pays.

What This Means

A markup ratio of 6.06x means for every $100 Medicare pays, this provider initially charges $606. This is higher than the national average.

Location

Maryland Heights, MO

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

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข 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