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    OpenPayerNPI Medicare & MedicaidQuest Diagnostics LLC Il
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    Quest Diagnostics LLC Il — Billing Profile & Reimbursement Data

    NPI 1881630614 · Wood Dale, IL · Clinical Medical Laboratory

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    Quest Diagnostics LLC Il is a clinical medical laboratory provider located in Wood Dale, Illinois. This profile covers 543 Medicare and 569 Medicaid CPT/HCPCS procedure codes, with claims volume, average reimbursement, and total revenue by code, benchmarked against other providers billing the same services.

    Provider details (source: NPPES NPI Registry)

    FieldValue
    Entity TypeOrganization
    OrganizationQuest Diagnostics LLC Il
    Address1355 Mittel Blvd
    CityWood Dale
    StateIL
    ZIP60191
    TaxonomyClinical Medical Laboratory
    NPI EnumeratedJune 21, 2006

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

    Payer SourceTotal Paid
    Medicaid$429.8M
    Medicare$40.3M

    Key Findings

    This entity is heavily Medicaid-biased in scale: lifetime Medicaid revenue is $429.8M compared with $40.3M in Medicare, indicating Medicaid accounts for the bulk of its billed volume and revenue activity across payers. The magnitude difference suggests the provider operates primarily as a high-volume Medicaid laboratory contractor rather than a Medicare-focused practice.

    Revenue concentration is material but not singular for either payer: the top 3 Medicare codes by revenue account for 32.7% of Medicare revenue, led by 80053 ($3.3M), 80061 ($3.1M) and 84443 ($3.0M). On the Medicaid side the top 3 codes account for 26.3% of Medicaid revenue, driven by G0480 ($28.8M), U0003 ($26.9M) and 80307 ($25.9M), indicating meaningful but diversified dependence on a handful of high-volume tests.

    The code mix implies a large commercial/reference laboratory operation rather than a small local lab: Medicare top codes are routine high-throughput chemistry and endocrine panels (80053, 80061, 84443, 82306) while Medicaid top codes include definitive and presumptive drug testing (G0480, 80307), high-volume infectious-agent molecular testing (U0003) and population-screening panels (80050, 85025). This combination of high-volume screening, infectious disease molecular assays, and toxicology is characteristic of a lab set up for centralized, high-throughput processing.

    On Medicare measures this provider is an outsized national performer for many common lab codes: multiple top Medicare codes are flagged as “extreme outlier” and sit in the 100th percentile nationally (for example 80053 ranks #18 of 26416, 80061 ranks #16 of 21671 and 84443 ranks #16 of 19722). Those percentile and rank placements indicate this provider reports volumes far above typical national peers for a broad set of routine tests.

    At the state level the provider is consistently dominant for Medicaid coding: many leading Medicaid codes rank #1 in-state and are described as “extreme outlier” (for example G0480 is #1 of 71, U0003 is #1 of 350, 80307 is #1 of 283). These rankings show the provider is a major statewide supplier for both molecular infectious testing and large-scale drug screening services.

    Operational throughput is extensive across Medicaid claim counts and low per-claim payments typical of high-volume lab processing: examples include 1.8M claims for 80053, 1.2M claims for 84443, 1.7M claims for 85025, and 680.9K claims for 80307, each producing multi-million-dollar revenues. Those claim volumes and the presence of both high-claim, low-unit-price panels and high-unit-price molecular/toxicology codes indicate scale economies and centralized specimen handling.

    Clinical breadth spans routine chronic-disease monitoring, infectious disease screening, sexual health screening, and toxicology: high Medicaid revenues for U0003, 87491, 87591, 87389 and 87801 combined with substantial payments for 83036, 82306 and 84443 show simultaneous emphasis on population infectious screening, women’s health and chronic condition surveillance. This mix suggests the lab supports outpatient and public-health testing use cases across diverse patient populations.

    The provider is long-tenured on the NPI file (enumerated 2006-06-21, ~20 years ago), which combined with its Medicaid dominance and repeated #1 in-state rankings implies well-established contracting and referral relationships within Illinois. Long enumeration plus the concentrated high-volume code footprint supports the interpretation of an established commercial lab footprint rather than a recent entrant.

    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.

    543 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    80053The lab analyst performs a comprehensive metabolic panel, or CMP test in which he measures the blood level of 14 chemicals the code descriptor lists for the panel.326,960$10$3.3M
    80061The lab analyst performs a lipid panel test in which he measures the blood level of cholesterol and fats called triglycerides in the blood.239,450$10$3.1M
    84443The lab analyst performs a test to measure the amount of thyroid–stimulating hormone (TSH), a hormone produced in the pituitary gland that helps regulate thyroid function. The typical specimen is the…189,390$20$3M
    36415In this procedure, the provider inserts a needle into a vein to collect a blood sample.350,290$10$2.8M
    82306The lab analyst measures the vitamin D level, typically on a serum specimen. This analyte, commonly known as vitamin D, is not really a vitamin, but is an important steroid hormone that is produced…91,420$30$2.7M
    85025A complete blood count (better known as a CBC) is a blood test request by a doctor that provides detailed information about various types of cells in a patient's blood. Usually a pathologist or a…266,500$10$2.1M
    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…12,950$110$1.5M
    83036Sugar in the bloodstream can get attached to the hemoglobin in red blood cells. Once the sugar is attached, it stays there for the lifetime of the red blood cell (around 120 days or over 3 months).…140,870$10$1.4M
    83970Parathyroid hormone test measures the level of PTH in the blood. This test is done to ascertain the level of calcium and evaluate the parathyroid function.27,740$40$1.1M
    82607The lab analyst performs a test to measure the amount of vitamin B12 in a patient specimen, typically in patient blood.62,190$20$932.8K

    Showing 1–10 of 543

    • More pages

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 543 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    543 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    8250731022,650$30$477.2K
    8394531022,600$10$247.9K
    877985370750$30$172.3K
    835201108,000$20$135.4K
    8151331080$140$118.9K
    G0483510200$240$112.7K
    8410531022,650$10$98.7K
    8243631022,580$10$97.6K
    837041102,830$30$94.8K
    8454031022,660$10$94.8K

    Showing 1–10 of 543

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    Medicaid: Total Revenue Breakdown by CPT/HCPCS Code

    Medicaid revenue breakdown by year and by CPT/HCPCS procedure code, including monthly billing trends and the top codes driving revenue.

    View: By Year1 / 3

    Medicaid: Complete Services Breakdown

    Every CPT/HCPCS code this provider has billed to Medicaid, with claims volume, average payment, and total revenue.

    569 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    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…505,160$60$28.8M
    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…364,170$70$26.9M
    80307The lab analyst performs presumptive drug test(s) via instrumented chemistry analyzers to screen for any number of drug classes on a single date.680,900$40$25.9M
    87491The lab analyst performs a test for Chlamydia trachomatis using amplified nucleic acid probe technique.893,810$30$24.1M
    87591The lab analyst performs a lab test for Neisseria gonorrhoeae, also called GC, using amplified nucleic acid probe technique.890,900$30$24.1M
    87389The lab analyst performs a test to screen for human immunodeficiency virus, called HIV. The test screens for antigens of the HIV 1 virus and antibodies to the HIV 1 and HIV 2 viruses using an…589,190$40$21.2M
    84443The lab analyst performs a test to measure the amount of thyroid–stimulating hormone (TSH), a hormone produced in the pituitary gland that helps regulate thyroid function. The typical specimen is the…1,247,640$10$15M
    87801The lab analyst performs a test for multiple infectious agents using amplified nucleic acid probe technique.319,250$50$14.7M
    80053The lab analyst performs a comprehensive metabolic panel, or CMP test in which he measures the blood level of 14 chemicals the code descriptor lists for the panel.1,849,470$10$12.9M
    80061The lab analyst performs a lipid panel test in which he measures the blood level of cholesterol and fats called triglycerides in the blood.1,523,070$10$12.2M

    Showing 1–10 of 569

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    Medicaid: Competitive Analysis & Benchmarks

    How this provider's Medicaid billing volume and revenue compare to other Illinois providers billing the same CPT/HCPCS codes.

    Full comparison — all codes billed, vs. Illinois median

    569 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    81513The lab analyst performs the technical lab test on a vaginal fluid specimen for quantitative real–time amplification of RNA markers for three bacterial species listed in the code descriptor, and…110210$70$1.4M
    G0483Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but…720940$110$1.1M
    81420The lab analyst performs a genomic sequence analysis panel to evaluate circulating cell free fetal DNA in maternal blood for genetic sequences of at least the genes on chromosomes 13, 18, and 21,…11030$400$883.9K
    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…170570$50$565.6K
    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…1350400$70$514.7K
    87637The lab analyst performs the technical steps to detect and differentiate severe acute respiratory syndrome coronavirus 2 (SARS–CoV–2), influenza A, influenza B, and respiratory syncytial virus (RSV)…2480530$130$505.1K
    87799The lab analyst performs a test to quantify infection with an infectious agent, not otherwise specified in another code, using a nucleic acid probe technique. Use this code if you know the laboratory…120500$30$399.9K
    87901The lab analyst performs the technical lab test to analyze the patient specimen, typically serum, for the reverse transcriptase and protease regions of the specific genotype of the virus causing the…1102,450$160$386.4K
    81443The lab analyst performs a genomic sequence analysis panel to evaluate the patient specimen for genetic sequences of at least 15 genes, such as the 20 gene examples listed in the code descriptor. The…110390$940$362.4K
    87512The lab analyst performs a test to quantify infection with Gardnerella vaginalis using nucleic acid probe technique. Gardnerella vaginalis, typically causes bacterial vaginosis, an infection of the…110180$30$362.3K

    Showing 1–10 of 569

    • More pages

    Related Providers

    Other providers that share a Tax Identification Number (TIN) with Quest Diagnostics LLC Il, ranked by combined Medicare and Medicaid revenue.

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Unilab CorporationCAClinical Medical Laboratory$94M$668.5M
    Quest Diagnostics IncorporatedNJClinical Medical Laboratory$111.2M$637.7M
    Sonora Quest Laboratories LLCAZClinical Medical Laboratory$57.8M$298.1M
    Quest Diagnostics Clinical Laboratories IncTXClinical Medical Laboratory$46.7M$276.8M
    Quest Diagnostics Clinical Laboratories IncGAClinical Medical Laboratory$53.3M$211.1M
    Labone LLCKSClinical Medical Laboratory$46M$212.3M
    Quest Diagnostics Clinical Laboratories IncFLClinical Medical Laboratory$42.2M$197.6M
    Quest Diagnostics LLCMAClinical Medical Laboratory$27.2M$209.7M
    Quest Diagnostics Massachusetts LLCMAClinical Medical Laboratory$27.8M$199.9M
    Unilab CorporationCAClinical Medical Laboratory$47.1M$141.3M

    Nearby Providers

    Other providers in the same ZIP code as Quest Diagnostics LLC Il, ranked by combined Medicare and Medicaid revenue.

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Optimalab IncILClinical Medical Laboratory$4M$20.4M
    Kci Usa, Inc.ILDurable Medical Equipment & Medical Supplies$0$20.8M
    Dominic TolitanoILThoracic Surgery (Cardiothoracic Vascular Surgery) Physician$1.1M$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. Illinois Distribution
    Quest Diagnostics LLC Il — 25 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Illinois
    Medicaid Revenue by Year vs. Illinois Providers
    7 of 7 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. Illinois Distribution
    Quest Diagnostics LLC Il — 25 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Illinois