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 & MedicaidSydney Guo
    Ask Trek AI about this page

    Sydney Guo — Billing Profile & Reimbursement Data

    NPI 1619922291 · Ventura, CA · Vascular Surgery Physician

    Customize your policy alerts

    Sign up for Sydney Guo — 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.

    Sydney Guo is a vascular surgery physician provider located in Ventura, California. This profile covers 29 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 / 8

    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
    OrganizationSydney Guo
    Address100 North Brent Street
    CityVentura
    StateCA
    ZIP93003
    TaxonomyVascular Surgery Physician
    NPI EnumeratedMay 23, 2006

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

    Payer SourceTotal Paid
    Medicare$228.9K
    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.

    29 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    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…550$80$42K
    93925The provider performs a duplex ultrasound scan of the lower extremity arteries or bypass grafts on both sides. Providers perform noninvasive arterial diagnostic procedures to examine the rate of…110$220$22.8K
    93990The provider assesses the flow of blood through a hemodialysis graft using duplex ultrasound scanning. He performs this procedure to evaluate the condition of the graft.170$110$18.8K
    93970The provider performs an ultrasound scanning procedure called a duplex scan to characterize the pattern and direction of blood flow in extremity veins (arms or legs). This is a complete, bilateral…80$160$12.6K
    37228N/A30$420$12.1K
    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…100$110$10.3K
    36821The provider creates an arteriovenous (AV) anastomosis by connecting a vein to an artery in any site to provide better vascular access in a patient with kidney failure who will receive hemodialysis…20$520$9.9K
    93922Noninvasive physiologic studies of upper or lower extremity arteries, single level, bilateral130$80$9.7K
    99203The provider sees a new 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 provider…100$90$8.8K
    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,…40$200$8.1K

    Showing 1–10 of 29

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 29 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    29 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    36903143020$3,600$129.4K
    3722641020$4,060$126K
    369027718030$1,010$72.6K
    3722885020$1,350$28.4K
    9921420,68837,970120$90$23.2K
    992325,73212,28090$70$16.3K
    939252451,25040$180$15.4K
    992132,86934,66080$70$13.2K
    36821207020$600$11.5K
    992237,61613,19050$140$11.3K

    Showing 1–10 of 29

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    County Of VenturaCAFederally Qualified Health Center (FQHC)$0$47.8M
    Joshua HedayaCAOphthalmology Physician$3.2M$38.9K
    Navid EzraCADermatology Physician$1.8M$975.2K
    Tony MakhloufCARheumatology Physician$2.6M$0
    Manoj KhatoreCACardiovascular Disease Physician$1.1M$368.4K
    Karyn TeelCAOphthalmology Physician$1.4M$0
    Joel CorwinCAOphthalmology Physician$1.3M$0
    Dale KikerCAAnesthesiology Physician$1.3M$0
    Christopher SkillernCAVascular Surgery Physician$1.2M$0
    Li Sheng KongCAVascular Surgery Physician$1.2M$0

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    County Of VenturaCAGeneral Acute Care Hospital$0$136.1M
    Community Memorial Health SystemCAGeneral Acute Care Hospital$0$94.1M
    County Of VenturaCAFederally Qualified Health Center (FQHC)$0$32.4M
    Two Trees Physical Therapy & Wellness IncCAPhysical Therapist$0$22.5M
    Naveen SharmaCASpecialist$2.9M$0
    Jeffrey LuttrullCAOphthalmology Physician$2.6M$240
    Edgar LuegCAOtolaryngology Physician$1.1M$0
    Thomas FogelCARadiation Oncology Physician$1.1M$0
    Omid FatemiCAInterventional Cardiology Physician$1M$0
    Jeffrey RodnickCARadiation Oncology Physician$975K$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
    Sydney Guo — 0 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California