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    v1.0.28
    OpenPayerNPI Medicare & MedicaidSiamak Dardashti
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    Siamak Dardashti — Billing Profile & Reimbursement Data

    NPI 1013942713 · Los Angeles, CA · Diagnostic Radiology Physician

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    Siamak Dardashti is a diagnostic radiology physician provider located in Los Angeles, California. This profile covers 15 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
    OrganizationSiamak Dardashti
    Address1516 Cotner Ave
    CityLos Angeles
    StateCA
    ZIP90025
    TaxonomyDiagnostic Radiology Physician
    NPI EnumeratedJuly 11, 2006

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

    Payer SourceTotal Paid
    Medicare$195.5K
    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.

    15 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    73721In this diagnostic procedure, the provider performs magnetic resonance imaging of a lower extremity joint without using contrast material.650$100$62.6K
    73221In this diagnostic procedure, the provider performs a magnetic resonance imaging, or MRI imaging, of any of the joints of a patient’s upper extremity, which can be the shoulder, elbow, wrist, or…470$100$46.5K
    72148In this diagnostic procedure, the provider performs magnetic resonance imaging (MRI) of the lumbar spinal canal and contents without using contrast.280$90$25.9K
    73718In this diagnostic procedure, the provider performs a magnetic resonance imaging study of a patient’s lower extremity other than a joint, without the use of contrast material.150$110$17.4K
    72141In this diagnostic procedure, the provider performs a magnetic resonance imaging (MRI) study of the cervical spinal canal and contents without using contrast material.140$90$12.3K
    73218In this diagnostic procedure, the provider performs a magnetic resonance imaging imaging of a patient’s upper extremity for a location other than the joint of the extremity. He performs the procedure…40$120$5.3K
    70553In this procedure, the provider performs a magnetic resonance imaging, or MRI, study of the brain including the brain stem. He performs this procedure without using contrast material. He then follows…20$190$4.6K
    70551The provider uses magnetic resonance imaging, or MRI, to examine the brain and brain stem. The provider does not administer contrast for this exam.40$100$3.8K
    72195In this procedure, the provider performs magnetic resonance imaging (MRI) of the pelvis area without contrast material.30$120$3.7K
    73700In this procedure, the provider performs a computed tomography scan of a patient’s lower extremity without using contrast material to diagnose a fracture or disease of the lower extremity.60$70$3.7K

    Showing 1–10 of 15

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 15 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    15 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    705537271,00050$150$13K
    72148961,35060$110$11.5K
    73721693050$120$11.1K
    73221779040$130$8.7K
    705518371,33060$90$7.5K
    704501,6772,040150$30$7K
    72141781,04040$100$5.9K
    73718537030$130$4.6K
    73218710020$190$4.4K
    721954324020$150$3.4K

    Showing 1–10 of 15

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Beverly Radiology Medical Group IiiCADiagnostic Radiology Physician$0$163.3M
    Kern Radiology Medical Group, IncCADiagnostic Radiology Physician$0$38.7M
    Cigna Healthcare Of Arizona, Inc.AZMulti-Specialty Clinic/Center$0$6.6M
    Aron Gould-simonCANuclear Radiology Physician$2.3M$0
    Nicholas DzeboloCAInterventional Cardiology Physician$2.2M$170
    Dalia ArtalCADiagnostic Radiology Physician$2M$0
    John UgliettaAZDiagnostic Radiology Physician$2M$0
    Barry SadegiAZDiagnostic Radiology Physician$1.8M$0
    Medical Foundation, Inc.MSGeriatric Medicine (Family Medicine) Physician$0$1.8M
    Rafal SosnowskiILDiagnostic Radiology Physician$1.7M$75.2K

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Daniel TaheriCADermatology Physician$3.3M$7.4K
    Inderjit MehmiCAHematology & Oncology Physician$2.3M$0
    Michael TaheryCAGynecology Physician$2.2M$930
    David LazarCARetina Specialist (Ophthalmology) Physician$1.9M$0
    Rudy RezzadehCACardiovascular Disease Physician$1.5M$76.3K
    Jason AguirreCAGeneral Practice Physician$874K$0
    Walter OsiasCADiagnostic Radiology Physician$759.8K$0
    Aslan PirouzCAInternal Medicine Physician$678K$0
    Mohsen HamzaCANeurology with Special Qualifications in Child Neurology Physician$606K$290
    Isabella LaiCAInternal Medicine Physician$572.5K$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. California Distribution
    Siamak Dardashti — 3 of 14 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California