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    OpenPayerNPI Medicare & MedicaidRonald Gaster
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    Ronald Gaster — Billing Profile & Reimbursement Data

    NPI 1306940325 · Long Beach, CA · Ophthalmology Physician

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    Ronald Gaster is a ophthalmology physician provider located in Long Beach, California. This profile covers 8 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
    OrganizationRonald Gaster
    Address5901 E 7th St
    CityLong Beach
    StateCA
    ZIP90822
    TaxonomyOphthalmology Physician
    NPI EnumeratedSeptember 11, 2006

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

    Payer SourceTotal Paid
    Medicare$65.2K
    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.

    8 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    92014An ophthalmologist sees an established patient for a comprehensive level eye examination. Generally, a patient is considered to be "established" if the same physician, or any physician in the group…290$110$31K
    76519The provider uses A scan ultrasound echography to measure the axial length of the eye and determine the intraocular lens, or IOL calculation prior to cataract surgery.230$40$9K
    92025The provider measures the curvature of one or both corneas, interprets the findings, and prepares a report.250$30$7.4K
    92004The provider performs a comprehensive level ophthalmological evaluation of a new patient and initiates a diagnostic and treatment program for one or more visits.50$120$6.5K
    92012For this CPT code, an Ophthalmologist sees an established patient for an intermediate level eye examination. Generally, a patient is considered to be "established" if the same physician, or any…80$80$6K
    92133The provider performs computerized diagnostic imaging of the optic nerve in the posterior segment (back part) of the eye, interprets the data, and provides a report. The service may be on one or both…120$30$3.1K
    76514The provider uses conventional contact B scan imaging to measure the thickness of the cornea in one or both eyes.210$10$1.9K
    92250Code 92250 describes the taking of fundus photographs, that is, photographs of the posterior segment of the inner aspect of the eye, to document alterations in the optic nerve head, retinal vessels,…20$30$470

    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
    920148332,890110$100$28.7K
    920121,0171,620150$70$23.6K
    920048511,95050$110$9.7K
    922501,9592,17070$30$4.8K
    921337361,93080$30$4.1K
    76519713050$40$3.5K
    920254246050$30$2.9K
    765143385030$10$510

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Sanford ChenCAOphthalmology Physician$2.8M$190
    Roger KornuCARheumatology Physician$2.7M$0
    Brian KimCAOphthalmology Physician$2.6M$8.9K
    Robby AyoubCAPulmonary Disease Physician$281.4K$1.7M
    Vivian LaquerCADermatology Physician$94.8K$1.7M
    Quoc NguyenCAOtolaryngic Allergy Physician$293.1K$1.2M
    Tony HuynhWARetina Specialist (Ophthalmology) Physician$1.4M$190
    Steven DavisCARadiation Oncology Physician$1.4M$0
    Sherif RezkCAAnatomic Pathology & Clinical Pathology Physician$317.2K$944.7K
    Zorawar NoorCAHematology & Oncology Physician$1.2M$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
    Ronald Gaster — 1 of 8 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California