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    v1.0.28
    OpenPayerNPI Medicare & MedicaidOlivia Chang
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    Olivia Chang — Billing Profile & Reimbursement Data

    NPI 1881936862 · Orange, CA · Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician

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    Olivia Chang is a urogynecology and reconstructive pelvic surgery (obstetrics & gynecology) physician provider located in Orange, 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.

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    Provider details (source: NPPES NPI Registry)

    FieldValue
    Entity TypeIndividual
    OrganizationOlivia Chang
    Address101 The City Dr S
    CityOrange
    StateCA
    ZIP92868
    TaxonomyUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician
    NPI EnumeratedMarch 18, 2013

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

    Payer SourceTotal Paid
    Medicare$64.3K
    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
    99204The provider sees a new 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 provider…130$130$16.8K
    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$100$9.4K
    51728In this procedure, the provider performs a complex cystometrogram along with voiding pressure studies to diagnose certain urinary disorders like an overactive bladder, stress incontinence, or urinary…30$330$8.5K
    99215The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a high level of medical decision making, and/or the…40$140$5.9K
    99205The provider sees a new patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a high level of medical decision making, and/or the provider…30$170$5.3K
    51797Voiding pressure (sometimes referred to as leak point pressure) measures contractions of the detrusor muscle and can detect a pressure obstruction if the patient is able to void, or express, urine.30$180$4.6K
    52000In this procedure, the provider performs an examination of the interior of the bladder, the urethra, and the ureteric openings by means of a cystourethroscope, a thin flexible or rigid tube with a…30$150$4.3K
    51701In this procedure, the provider places a non–indwelling catheter into the bladder via the urethra for the purpose of intermittent catheterization or catheterization to obtain residual urine left…80$30$2.5K
    51600Voiding cystourethrogram (VCUG) is also known as micturating cystourethrogram (MCUG). This is a technique which is performed to detect reflux by watching a person's urethra and urinary bladder during…20$100$2.3K
    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…30$80$1.9K

    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
    9921420,68837,970120$90$23.2K
    517288517030$310$18.2K
    5200056972070$180$16K
    992158,51715,36050$130$14.4K
    9921328,46334,66080$70$13.2K
    992053,7388,36030$170$7.2K
    992041,83219,36040$120$7.2K
    517978218020$150$5.9K
    517014115040$40$2.7K
    51600123020$70$2.6K

    Showing 1–10 of 13

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    University Of California IrvineCAFederally Qualified Health Center (FQHC)$0$40M
    University Of California IrvineCAFederally Qualified Health Center (FQHC)$0$27M
    Navid EzraCADermatology Physician$1.8M$975.2K
    Roger KornuCARheumatology Physician$2.7M$0
    Brian KimCAOphthalmology Physician$2.6M$8.9K
    Robby AyoubCAPulmonary Disease Physician$281.4K$1.7M
    Hani Salehi-hadCARetina Specialist (Ophthalmology) Physician$1.4M$381.7K
    Jesse TanCAOtolaryngology Physician$680.6K$750.8K
    Steven DavisCARadiation Oncology Physician$1.4M$0
    Lance ChapmanCAMOHS-Micrographic Surgery Physician$1.4M$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
    Olivia Chang — 0 of 13 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California