Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerNPI Medicare & MedicaidJohn Louie
    Ask Trek AI about this page

    John Louie — Billing Profile & Reimbursement Data

    NPI 1972589703 · Stanford, CA · Vascular & Interventional Radiology Physician

    Customize your policy alerts

    Sign up for John Louie — Billing Profile & Reimbursement Data policy alerts

    Get alerted when relevant policies change without checking for updates manually.

    Monitor payer policy activity

    Receive email alerts as soon as relevant payer policies are published or updated.

    John Louie is a vascular & interventional radiology physician provider located in Stanford, California. This profile covers 13 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.

    Table of contents

    Progress1 / 7

    Explore openpayer tools

    • Billing CodesCPT, HCPCS, DRG & more
    • Reimbursement RatesCommercial vs. Medicare rate reports
    • ProvidersHospitals & facilities
    • PayersPlans & market footprint
    • Taxonomy CodesNUCC specialty codes
    • ModifiersCPT modifiers & usage
    • Prior AuthorizationPA policies by payer & drug
    • Timely FilingFiling deadlines by payer
    • Coverage CriteriaMedical necessity by payer
    • Payer ContactsClaims, PA & appeals contacts
    View all tools

    Provider details (source: NPPES NPI Registry)

    FieldValue
    Entity TypeIndividual
    OrganizationJohn Louie
    Address300 Pasteur Dr
    CityStanford
    StateCA
    ZIP94305
    TaxonomyVascular & Interventional Radiology Physician
    NPI EnumeratedDecember 22, 2005

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

    Payer SourceTotal Paid
    Medicare$68.1K
    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.

    13 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    37243The physician partially or completely blocks vascular blood flow in the target area for benign or malignant tumors (including uterine fibroids), organ ischemia, or infarction.60$480$28.3K
    36247Angiography is an X–ray study of the blood vessels that helps physicians diagnose and treat medical conditions. Angiography uses a radiopaque substance (dye) to make the blood vessels visible under…90$160$13.9K
    75726The provider performs radiological supervision and interpretation of angiographic imaging of specific vessels with injection of contrast (dye) into a visceral (organ) vessel or a secondary branch of…70$80$6.1K
    75774Angiography is an X–ray study of the blood vessels that helps physicians diagnose and treat medical conditions. Angiography uses a radiopaque substance (dye) to make the blood vessels visible under…130$40$5.1K
    36248Angiography is an X–ray study of the blood vessels that helps physicians diagnose and treat medical conditions. Angiography uses a radiopaque substance (dye) to make the blood vessels visible under…110$40$4.6K
    79445In this procedure, the provider injects a liquid containing radioactive particles into the artery supplying blood to a tumor. The aim is to block the blood supply to the cancer cells.20$100$2.4K
    76377In this procedure, the provider performs interpretation and reporting for computed tomograph, magnetic resonance imaging, ultrasound, or other tomographic modality under concurrent supervision with…60$40$2K
    77012In this procedure, the provider performs supervision and interpretation for a separately reportable procedure that uses computed tomography guided needle placement, as in biopsy or aspiration. Report…30$60$1.9K
    49180The provider takes a tissue sample from within or behind the abdominal cavity with the use of a needle inserted through the abdominal wall. He sends the tissue to a laboratory for analysis to…20$70$1K
    76937The provider uses ultrasound to help guide procedures requiring vascular access including central venous, peripheral venous, or arterial access procedures.80$10$960

    Showing 1–10 of 13

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 13 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    13 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    362471712030$520$28.1K
    3724313020$1,020$25.5K
    75774158050$60$6.1K
    7637712747030$50$3.1K
    3624844030$60$3K
    7572625030$80$2.6K
    7944531020$90$2K
    7701213635030$60$2K
    47000578010$70$1.2K
    991521,0941,71050$10$1.1K

    Showing 1–10 of 13

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Lpch Medical Group Div Of LucileCAChildren's Hospital$0$40.9M
    Lucile Salter Packard Children's Hospital At StanfordCAChildren's Hospital$0$35.7M
    Ira SchacharCARetina Specialist (Ophthalmology) Physician$3.9M$4.1M
    Aron Gould-simonCANuclear Radiology Physician$2.3M$0
    Jason WickensNVOphthalmology Physician$1.2M$9.1K
    Howard HarvinCABody Imaging Physician$684.8K$0
    Ramford NgCACardiovascular Disease Physician$607.7K$0
    John KleimeyerCAOrthopaedic Surgery of the Spine Physician$383.8K$0
    Douglas LakeIADiagnostic Radiology Physician$350.2K$0
    Todd AlaminCAOrthopaedic Surgery of the Spine Physician$327K$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
    John Louie — 2 of 13 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California