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    v1.0.28
    OpenPayerNPI Medicare & MedicaidOscar Grandas
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    Oscar Grandas — Billing Profile & Reimbursement Data

    NPI 1366550014 · Knoxville, TN · Vascular Surgery Physician

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    Oscar Grandas is a vascular surgery physician provider located in Knoxville, Tennessee. This profile covers 27 Medicare and 0 Medicaid CPT/HCPCS procedure codes, with claims volume, average reimbursement, and total revenue by code, benchmarked against other providers billing the same services.

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    Provider details (source: NPPES NPI Registry)

    FieldValue
    Entity TypeIndividual
    OrganizationOscar Grandas
    Address1940 Alcoa Hwy
    CityKnoxville
    StateTN
    ZIP37920
    TaxonomyVascular Surgery Physician
    NPI EnumeratedAugust 25, 2006

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

    Payer SourceTotal Paid
    Medicare$108.4K
    Medicaid$0

    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.

    27 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    50360The provider transplants a kidney and ureter from a cadaver or living donor into a recipient. The provider does not remove a kidney (nephrectomy) from the recipient.20$1,610$29.1K
    36902The provider introduces a needle and/or catheter under fluoroscopic guidance (live X–rays that can be viewed on a monitor) and injects contrast material into the dialysis access point to visualize…60$170$10.9K
    99214The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a moderate level of medical decision making, and/or the…120$70$8.9K
    36818The provider creates an arteriovenous anastomosis by connecting the cephalic vein to the brachial artery in the upper arm, which provides better vascular access in patients with kidney failure who…10$490$6.9K
    99213The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a low level of medical decision making, and/or the…100$60$6.1K
    36832In this procedure, the provider surgically opens an autogenous or nonautogenous arteriovenous fistula and revises the connection between the artery and the vein often located in the upper arm or…10$490$5.8K
    36558The provider places a catheter, without a subcutaneous port or pump in one of the major veins carrying the blood to the heart or directly into the right atrium, to administer medication, nutrients,…30$170$5.4K
    36901The provider introduces a needle and/or catheter under fluoroscopic guidance (live X–rays that can be viewed on a monitor) and injects intravenous contrast material to visualize and record images of…40$110$4.4K
    36905Under fluoroscopic guidance (live X–rays that can be viewed on a monitor), the provider introduces a catheter into a vessel in the dialysis circuit and extracts a blood clot (hematoma) with special…10$280$3.9K
    36907During a primary procedure on a patient's dialysis circuit, the provider finds an obstructedcentralsegment, which he dilates and opens up using a balloon expanded within the vessel lumen (channel).…30$110$3.1K

    Showing 1–10 of 27

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 27 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    27 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    3690561030$2,040$85.6K
    3690284030$690$33.8K
    5036082020$1,360$30K
    992145,65211,370120$80$16.6K
    36581101020$320$11.3K
    992232,6463,13040$120$8K
    992134,66911,03080$50$8K
    3690132020$300$7.7K
    3690751020$250$7.6K
    3683251010$520$7.2K

    Showing 1–10 of 27

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Columbus Radiology CorpOHDiagnostic Radiology Physician$0$49.9M
    University Health System, IncTNPediatrics Physician$0$16.8M
    University Health System, Inc.TNGeneral Acute Care Hospital$0$13.8M
    Au Medical Associates Emergency Medicine Billing Services, LLCGAEmergency Medicine Physician$0$8.9M
    Scott GraupnerSCHematology & Oncology Physician$2.7M$0
    Dennis MarcusGAOphthalmology Physician$1.8M$0
    Au Medical Associates IncGAMulti-Specialty Clinic/Center$0$1.2M
    Mario MaruthurALDermatology Physician$1.1M$0
    Kunyong XuAZRetina Specialist (Ophthalmology) Physician$996.6K$0
    Joseph KelleyNCRadiation Oncology Physician$878.9K$0

    Nearby Providers

    Other providers in the same ZIP code as Oscar Grandas, ranked by combined Medicare and Medicaid revenue.

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    High Risk Obstetrical Consultants, PLLCTNMaternal & Fetal Medicine Physician$0$32.6M
    Laboratory Corporation Of AmericaTNClinical Medical Laboratory$5.2M$19.8M
    Regional Neonatal AssociatesTNNeonatal-Perinatal Medicine Physician$0$9.4M
    Association Of University Radiologists, PCTNDiagnostic Radiology Physician$0$6M
    Cherokee Farm Orthopedic Surgery Center, LLCTNAmbulatory Surgical Clinic/Center$2.6M$0
    University Of TennesseeTNMulti-Specialty Clinic/Center$0$2.6M
    State Of TennesseeTNClinical Medical Laboratory$0$2.4M
    Pediatric Consultants Of East TennesseeTNPediatrics Physician$0$2.1M
    Lynellen GregoryTNVascular Surgery Physician$415.1K$0
    Paul PruettTNGlaucoma Specialist (Ophthalmology) Physician$410.4K$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. Tennessee Distribution
    Oscar Grandas — 0 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Tennessee