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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 Llc
๐Ÿ”ฌ
Organization

Quest Diagnostics Llc

NPI: 1952347791
Marlborough, MA
10 years of data
Clinical Laboratory
$268.6M
Total Payments
3.6K
Beneficiaries
21.1M
Services
6.35x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$268.6M
Specialty median$1.9M
Rank #39 of 232 in specialty

๐Ÿ“‹ Key Findings

1Billed $268.6M over 10 years
26.35x markup ratio (above median)
3Risk score: 82 โ€” flagged for review
499th percentile in Clinical Laboratory by payments
5Payments surged 187% in 2016
617 procedures with >3x markup

โš ๏ธ Flagged for Review

Risk Score: 82
  • 262x specialty median spending
  • Markup 8.9x (specialty median: 2.5x)
  • 1007x specialty median beneficiaries
  • 673x 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 $268.6M in total Medicare payments ranks in the 99th percentile of Clinical Laboratory providers nationally.

Their average markup ratio of 6.35x is significantly above the specialty median of 3.7x.

This provider has been statistically flagged with a risk score of 82/100. 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 187% in 2016

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$73.68$12.186.05x$61.50$18.7M1.5M364
2015$73.94$12.465.93x$61.48$10.7M861.6K299
2016$75.92$12.666.00x$63.26$30.8M2.4M372
2017$79.31$13.066.07x$66.25$35.2M2.7M377
2018$78.62$13.165.97x$65.46$32.2M2.4M377
2019$82.39$12.276.71x$70.12$28.8M2.3M376
2020$82.79$13.356.20x$69.44$28.0M2.1M368
2021$83.21$13.086.36x$70.13$30.0M2.3M357
2022$84.99$12.536.78x$72.46$27.1M2.2M370
2023$89.25$12.397.20x$76.86$27.2M2.2M382

Top Procedures (20)

80061Blood test, lipids (cholesterol and triglycerides)โš  9.8x markup
$19.8M
1.3M services$14.99/svc9.75x markup
84443Blood test, thyroid stimulating hormone (tsh)โš  6.7x markup
$19.5M
1.0M services$19.29/svc6.69x markup
80053Blood test, comprehensive group of blood chemicalsโš  7.1x markup
$16.6M
1.6M services$10.50/svc7.08x markup
82306Vitamin d-3 levelโš  7.1x markup
$15.0M
440.2K services$34.09/svc7.07x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell countโš  4.9x markup
$12.2M
1.4M services$8.93/svc4.90x markup
U0003Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r
$10.0M
118.8K services$84.37/svc1.18x markup
36415Insertion of needle into vein for collection of blood sampleโš  6.2x markup
$9.8M
2.8M services$3.50/svc6.15x markup
G0480Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms
$8.9M
83.7K services$106.14/svc1.96x markup
83036Hemoglobin a1c levelโš  6.6x markup
$8.4M
753.5K services$11.20/svc6.56x markup
82607Cyanocobalamin (vitamin b-12) levelโš  7.0x markup
$6.0M
350.3K services$17.15/svc6.97x markup
83970Parathormone (parathyroid hormone) levelโš  4.8x markup
$5.4M
116.3K services$46.85/svc4.75x markup
80307Testing for presence of drug, by chemistry analyzers
$5.0M
78.9K services$63.45/svc2.82x markup
80048Blood test, basic group of blood chemicals (calcium, total)โš  6.3x markup
$4.4M
502.8K services$8.77/svc6.25x markup
84153Psa (prostate specific antigen) measurement, totalโš  6.8x markup
$4.4M
207.6K services$20.99/svc6.76x markup
87086Bacterial colony count, urineโš  6.4x markup
$3.9M
417.8K services$9.38/svc6.38x markup
87088Bacterial urine cultureโš  3.1x markup
$3.4M
363.2K services$9.38/svc3.10x markup
82728Ferritin (blood protein) levelโš  7.3x markup
$3.1M
202.9K services$15.39/svc7.25x markup
82746Folic acid level, serumโš  7.0x markup
$3.1M
185.4K services$16.69/svc7.03x markup
84439Thyroxine (thyroid chemical), freeโš  14.1x markup
$2.7M
262.6K services$10.30/svc14.06x markup
85027Complete blood cell count (red cells, white blood cell, platelets), automated testโš  5.2x markup
$2.3M
307.2K services$7.42/svc5.21x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
80061Blood test, lipids (cholesterol and triglycerides)1.3M$19.8M$14.999.75x
84443Blood test, thyroid stimulating hormone (tsh)1.0M$19.5M$19.296.69x
80053Blood test, comprehensive group of blood chemicals1.6M$16.6M$10.507.08x
82306Vitamin d-3 level440.2K$15.0M$34.097.07x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count1.4M$12.2M$8.934.90x
U0003Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r118.8K$10.0M$84.371.18x
36415Insertion of needle into vein for collection of blood sample2.8M$9.8M$3.506.15x
G0480Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms83.7K$8.9M$106.141.96x
83036Hemoglobin a1c level753.5K$8.4M$11.206.56x
82607Cyanocobalamin (vitamin b-12) level350.3K$6.0M$17.156.97x
83970Parathormone (parathyroid hormone) level116.3K$5.4M$46.854.75x
80307Testing for presence of drug, by chemistry analyzers78.9K$5.0M$63.452.82x
80048Blood test, basic group of blood chemicals (calcium, total)502.8K$4.4M$8.776.25x
84153Psa (prostate specific antigen) measurement, total207.6K$4.4M$20.996.76x
87086Bacterial colony count, urine417.8K$3.9M$9.386.38x
87088Bacterial urine culture363.2K$3.4M$9.383.10x
82728Ferritin (blood protein) level202.9K$3.1M$15.397.25x
82746Folic acid level, serum185.4K$3.1M$16.697.03x
84439Thyroxine (thyroid chemical), free262.6K$2.7M$10.3014.06x
85027Complete blood cell count (red cells, white blood cell, platelets), automated test307.2K$2.3M$7.425.21x

Markup Analysis

Charge-to-Payment Ratio

6.35x

This provider submits charges 6.35 times higher than what Medicare actually pays.

What This Means

A markup ratio of 6.35x means for every $100 Medicare pays, this provider initially charges $635. This is higher than the national average.

Location

Marlborough, MA

Provider Verification

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

Similar Providers

Other Clinical Laboratory providers in MA for peer comparison.

Quest Diagnostics Llc (you)
$268.6M
Quest Diagnostics Massachusetts Llcโš ๏ธ
$276.5M
Foundation Medicine, Inc.
$232.3M
Boston Heart Diagnostics Corporation
$185.1M
Cohen Dermatopathology, P.C.
$88.9M
U S Lab & Radiology Llc
$71.4M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Quest Diagnostics Massachusetts LlcMarlborough, MA$276.5Mโš ๏ธ Flagged
Foundation Medicine, Inc.Cambridge, MA$232.3Mโœ“ Clear
Boston Heart Diagnostics CorporationFramingham, MA$185.1Mโœ“ Clear
Cohen Dermatopathology, P.C.Needham, MA$88.9Mโœ“ Clear
U S Lab & Radiology LlcBrockton, MA$71.4Mโœ“ Clear

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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.

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