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    OpenPayerNPI Medicare & MedicaidCaris Mpi, Inc.
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    Caris Mpi, Inc. — Billing Profile & Reimbursement Data

    NPI 1013973866 · Phoenix, AZ · Clinical Medical Laboratory

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    Caris Mpi, Inc. is a clinical medical laboratory provider located in Phoenix, Arizona. This profile covers 8 Medicare and 59 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
    OrganizationCaris Mpi, Inc.
    Address4610 South 44th Place
    CityPhoenix
    StateAZ
    ZIP85040
    TaxonomyClinical Medical Laboratory
    NPI EnumeratedApril 21, 2006

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

    Payer SourceTotal Paid
    Medicare$97.4M
    Medicaid$51.7M

    Key Findings

    CARIS MPI, INC. is a laboratory-focused operation concentrated on high-complexity molecular and pathology testing: Medicare top codes show the provider derives the majority of its Medicare revenue from molecular pathology and pathology slide staining/microdissection procedures, with 81479, 88360 and 88341 accounting for 95.9% of its Medicare revenue. The prominence of 81479 (a catch-all molecular pathology code) together with heavy volumes of immunohistochemistry codes 88360 and 88341 indicates the business model centers on centralized molecular diagnostics and high-volume slide-based pathology support.

    Medicare revenue is substantial relative to Medicaid: lifetime Medicare revenue is $97.4M versus $51.7M in Medicaid, so this entity has material scale in both public payers but more than 1.8x as much revenue from Medicare as from Medicaid. That payer mix suggests significant engagement with fee-for-service Medicare referrals while maintaining a large Medicaid testing footprint that supports its molecular testing capacity.

    Revenue concentration is extreme on the Medicare side: the precomputed top-3 Medicare codes account for 95.9% of the provider’s total Medicare revenue, indicating Medicare earnings are highly dependent on 81479, 88360 and 88341. Such concentration implies business risk if reimbursement or utilization for those specific codes changes, and conversely suggests operational specialization that likely optimizes processes and billing for those procedures.

    National competitive standing on key Medicare codes is outsized: the provider ranks #3 nationally for 81479 (97th percentile) and ranks #1 nationally for both 88360 and 88341 (100th percentile), with the dataset labeling its volumes as “notably above typical” for 81479 and “extreme outlier” for the two immunostain codes. These rankings identify CARIS MPI as a major national supplier of molecular pathology and high-volume immunohistochemistry services relative to peers, not just a regional lab.

    State-level Medicaid dominance for genetic testing and pathology: in Arizona the provider ranks #1 for many high-revenue Medicaid codes (including 81408, 81479, 88360, 88341 and numerous single-gene and panel codes) and is often the only in-state reporter for several genetic sequencing CPTs. Several of those in-state rankings are annotated as 100th percentile or lack state peers, which together portray CARIS MPI as a dominant or sole provider of many specialized molecular tests in AZ Medicaid.

    Medicaid revenue is more diversified across molecular panel and single-gene codes than Medicare: the top 3 Medicaid codes account for 32.7% of Medicaid revenue, and the Medicaid top-25 list shows many distinct genetic sequencing and panel codes (e.g., 81408, 81479, 81321, 81163, 81455) contributing material shares. This distribution suggests the Medicaid book comprises a broader menu of discrete genetic tests and panels, rather than being concentrated in a few catch-all codes.

    Several Medicare and Medicaid codes are flagged as extreme outliers in volume, indicating unusually high utilization relative to peers: on Medicare the provider is a 100th-percentile outlier for 88360, 88341, 88381 and 88365; in-state Medicaid volumes for many genetic codes are likewise denoted as extreme outlier or sole-provider. These labels point to atypically large throughput for slide-based pathology services and broad molecular sequencing workstreams.

    The provider has longstanding enrollment: the NPI was enumerated on 2006-04-21 (≈20 years ago), indicating long tenure in Medicare/Medicaid billing. That longevity, combined with concentrated specialty volumes and dominant rankings, suggests established referral or contracting relationships that have scaled its molecular and pathology testing business over time.

    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.

    8 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    81479Use 81479 to report a molecular pathology procedure that does not have a specific code.25,030$3,380$84.7M
    88360The lab analyst applies a single antibody stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a pathologist, evaluates the…80,530$70$5.7M
    88341The lab analyst applies an additional single antibody stain on a slide or slides prepared from the same patient specimen as the initial antibody stain, such as tumor tissue. Then a qualified…56,590$50$3M
    88381A clinician, typically a pathologist, performs a manual microdissection of a patient’s specimen, such as a biopsy or tissue preserved from a previous case.19,060$120$2.2M
    88342The lab analyst applies an initial single antibody stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a pathologist,…19,090$60$1.2M
    88377The lab analyst applies a single multiplex in situ hybridization probe stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a…1,770$230$397.4K
    88365The lab analyst applies an initial in situ hybridization single probe stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a…1,540$110$163.5K
    81287A lab performs O–6–methylguanine–DNA methyltransferase (MGMT) promoter methylation analysis, typically as a prognostic marker for responsiveness of glioblastoma (brain tumor) to alkylating…390$120$47.9K

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 8 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    8 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    81479110560$3,210$17.3M
    88381110390$120$286.2K
    88360112080$70$57.7K
    81287110390$120$48K
    883411210270$40$28.8K
    88377130110$120$28.1K
    883421220160$50$20.6K
    8836514020$90$6.7K

    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.

    59 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    81408The lab analyst performs the technical lab test to complete one of the specific genetic analyses listed in this Tier 2, Level 9 molecular pathology code.17,470$320$5.6M
    81479Use 81479 to report a molecular pathology procedure that does not have a specific code.21,150$220$4.6M
    88360The lab analyst applies a single antibody stain on a slide or slides prepared from a single patient specimen, such as tumor tissue. Then a qualified provider, typically a pathologist, evaluates the…45,010$70$3.3M
    88341The lab analyst applies an additional single antibody stain on a slide or slides prepared from the same patient specimen as the initial antibody stain, such as tumor tissue. Then a qualified…34,920$50$1.9M
    81321The lab analyst performs the technical lab test to analyze the entire gene sequence for the phosphatase and tensin homolog, or PTEN, gene.16,440$110$1.8M
    81163The lab analyst performs the technical lab test to analyze the entire gene sequence for the BRCA1 DNA repair–associated gene, also known as BRCA1, and the BRCA2 DNA repair–associated gene, also known…13,560$130$1.8M
    81455The lab analyst performs a genomic sequence analysis panel to evaluate the patient specimen, such as tumor tissue or bone marrow, for DNA and possibly RNA alterations in 51 or more genes known to…5,330$320$1.7M
    81404The lab analyst performs the technical lab tests to complete one of the specific genetic analyses listed in this Tier 2, Level 5 molecular pathology code.18,030$90$1.6M
    81292The lab analyst performs the technical lab test to analyze the entire gene sequence for the mutL homolog 1, or MLH1 gene, also known as the colon cancer or nonpolyposis type 2 gene.12,470$120$1.5M
    81406The lab analyst performs the technical lab test to complete one of the specific genetic analyses listed in this Tier 2, Level 7 molecular pathology code.18,010$80$1.5M

    Showing 1–10 of 59

    Medicaid: Competitive Analysis & Benchmarks

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

    Full comparison — all codes billed, vs. Arizona median

    59 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    81408The lab analyst performs the technical lab test to complete one of the specific genetic analyses listed in this Tier 2, Level 9 molecular pathology code.11017,470$320$5.6M
    81321The lab analyst performs the technical lab test to analyze the entire gene sequence for the phosphatase and tensin homolog, or PTEN, gene.11016,440$110$1.8M
    81163The lab analyst performs the technical lab test to analyze the entire gene sequence for the BRCA1 DNA repair–associated gene, also known as BRCA1, and the BRCA2 DNA repair–associated gene, also known…11013,560$130$1.8M
    81404The lab analyst performs the technical lab tests to complete one of the specific genetic analyses listed in this Tier 2, Level 5 molecular pathology code.11018,030$90$1.6M
    81292The lab analyst performs the technical lab test to analyze the entire gene sequence for the mutL homolog 1, or MLH1 gene, also known as the colon cancer or nonpolyposis type 2 gene.11012,470$120$1.5M
    81406The lab analyst performs the technical lab test to complete one of the specific genetic analyses listed in this Tier 2, Level 7 molecular pathology code.11018,010$80$1.5M
    81201The lab analyst performs the technical lab test to analyze the entire gene sequence for adenomatous polyposis coli, also known as APC.11011,050$130$1.4M
    81301The lab analyst performs the technical lab test to detect the presence of microsatellite instability, also known as MSI, in tumor cells from tissue specimens such as colon cancer.11017,910$70$1.3M
    81298The lab analyst performs the technical lab test to analyze the entire gene sequence for the mutS homolog 6 [E. coli], or MSH6 gene.11012,950$90$1.2M
    81479Use 81479 to report a molecular pathology procedure that does not have a specific code.1101,340$200$1.2M

    Showing 1–10 of 59

    Related Providers

    Other providers that share a Tax Identification Number (TIN) with Caris Mpi, Inc., ranked by combined Medicare and Medicaid revenue.

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Laboratory Corporation Of America HoldingsNCClinical Medical Laboratory$214.6M$1.4B
    Laboratory Corporation Of America HoldingsNJClinical Medical Laboratory$143.3M$717.5M
    Natera, Inc.CAClinical Medical Laboratory$133.1M$641.5M
    Unilab CorporationCAClinical Medical Laboratory$94M$668.5M
    Quest Diagnostics IncorporatedNJClinical Medical Laboratory$111.2M$637.7M
    Bioreference Health, LLCNJClinical Medical Laboratory$66.8M$620.1M
    Laboratory Corporation Of America HoldingsOHClinical Medical Laboratory$56.9M$617M
    Exact Sciences Laboratories, LLCWIClinical Medical Laboratory$299.3M$276.5M
    Laboratory Corporation Of America HoldingsALClinical Medical Laboratory$60.5M$289.1M
    Laboratory Corporation Of AmericaAZClinical Medical Laboratory$38.5M$265.9M

    Nearby Providers

    Other providers in the same ZIP code as Caris Mpi, Inc., ranked by combined Medicare and Medicaid revenue.

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    New Life Wellness Center LLCAZPublic Health or Welfare Agency$0$66M
    Family And Youth Intervention ServicesAZCommunity/Behavioral Health Agency$0$16.2M
    Nebco Associates, Inc.AZTransportation Broker$0$11.4M
    Central Clinical Labs IncorporatedAZClinical Medical Laboratory$3.5M$6.1M
    Accupath Diagnostic Laboratories IncAZClinical Medical Laboratory$3.3M$4.1M
    Sahar SamahaAZAnatomic Pathology & Clinical Pathology Physician$906.4K$0
    Joshua LeonardAZOptometrist$347.1K$0
    Abida KadiAZDermatopathology (Pathology) Physician$267K$0
    Hema KhuranaAZAnatomic Pathology & Clinical Pathology Physician$235.5K$0
    Spencer WotringAZCertified Registered Nurse Anesthetist$35.3K$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. Arizona Distribution
    Caris Mpi, Inc. — 7 of 8 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Arizona
    Medicaid Revenue by Year vs. Arizona Providers
    7 of 7 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. Arizona Distribution
    Caris Mpi, Inc. — 7 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Arizona