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    v1.0.28
    OpenPayerNPI Medicare & MedicaidChinh Mai
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    Chinh Mai — Billing Profile & Reimbursement Data

    NPI 1992017636 · Westminster, CA · Internal Medicine Physician

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    Chinh Mai is a internal medicine physician provider located in Westminster, California. This profile covers 35 Medicare and 44 Medicaid CPT/HCPCS procedure codes, with claims volume, average reimbursement, and total revenue by code, benchmarked against other providers billing the same services.

    Provider details (source: NPPES NPI Registry)

    FieldValue
    Entity TypeIndividual
    OrganizationChinh Mai
    Address8251 Westminster Blvd Ste 110
    CityWestminster
    StateCA
    ZIP92683
    TaxonomyInternal Medicine Physician
    NPI EnumeratedJuly 10, 2010

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

    Payer SourceTotal Paid
    Medicare$573.1K
    Medicaid$111.8K

    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.

    35 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    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…3,790$60$220.1K
    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…2,140$50$111.4K
    99490The clinical staff provides services directed by the provider to support and coordinate a patient’s care across multiple disciplines. The patient has two or more chronic conditions that place the…640$50$33.8K
    96365The provider administers the initial intravenous infusion of a medication or other substance for a period up to one hour to prevent, treat, or diagnose a condition or disease.370$60$21.2K
    99483The provider performs a thorough assessment of a cognitively impaired patient’s understanding, comprehension, memory, and reasoning; obtains a history; reviews the patient’s medication lists and…60$240$14.4K
    G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit300$40$13.2K
    96366The provider administers an intravenous infusion or infusions of a medication for an additional hour or subsequent hours after the first hour to prevent, treat, or diagnose a condition or disease.730$20$13.1K
    93306The provider uses transducers to obtain two–dimensional (2D) images of the heart structures through the chest wall. He evaluates the anatomy and function of all four heart chambers, valves, adjacent…70$170$11.3K
    99212The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a straightforward level of medical decision making,…240$50$10.9K
    99497The provider discusses and shares planning with a patient, his family, or an individual representing the patient, regarding the future health care needs of the patient. Use this code for the first 30…320$30$10.5K

    Showing 1–10 of 35

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 35 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    35 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    9935024455080$140$38.8K
    933061,8752,400240$110$34.1K
    994902401,060210$50$25.8K
    992143437,970120$90$23.2K
    994838123040$210$18.3K
    939257021,25040$180$15.4K
    9921317834,66080$70$13.2K
    G04393297,80060$130$11.9K
    938801,6932,23040$130$10.7K
    9392322541040$100$10.3K

    Showing 1–10 of 35

    Medicaid: Total Revenue Breakdown by CPT/HCPCS Code

    Medicaid revenue breakdown by year and by CPT/HCPCS procedure code, including monthly billing trends and the top codes driving revenue.

    View: By Year1 / 3

    Medicaid: Complete Services Breakdown

    Every CPT/HCPCS code this provider has billed to Medicaid, with claims volume, average payment, and total revenue.

    44 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    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…2,520$30$78.2K
    99497The provider discusses and shares planning with a patient, his family, or an individual representing the patient, regarding the future health care needs of the patient. Use this code for the first 30…380$40$15.7K
    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…190$20$3.7K
    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…90$40$3.4K
    96156The provider assesses psychological, behavioral, emotional, cognitive, and social factors that affect a patient’s physical health, rather than assessing a specific mental health disorder. There are…370$10$2.6K
    G9920Screening performed and negative100$20$1.5K
    99385The provider performs a well–patient visit for a patient who is between the ages of 18 and 39.30$60$1.5K
    G0442Annual alcohol misuse screening, 5 to 15 minutes370$1$1.5K
    90686This code represents a vaccine product administered into the muscle to protect against four strains of influenza (flu). It is preservative free, uses split virus technology, and is given as a 0.5 mL…70$20$1.3K
    G8510Screening for depression is documented as negative, a follow-up plan is not required190$10$1.1K

    Showing 1–10 of 44

    Medicaid: Competitive Analysis & Benchmarks

    How this provider's Medicaid billing volume and revenue compare to other California providers billing the same CPT/HCPCS codes.

    Full comparison — all codes billed, vs. California median

    44 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    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…3,60113,300640$40$169.6K
    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…10,18514,520760$10$122.8K
    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…3,6455,870180$70$73K
    96156The provider assesses psychological, behavioral, emotional, cognitive, and social factors that affect a patient’s physical health, rather than assessing a specific mental health disorder. There are…7311,420400$30$52.1K
    99212The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a straightforward level of medical decision making,…4,6265,600440$10$44.4K
    99497The provider discusses and shares planning with a patient, his family, or an individual representing the patient, regarding the future health care needs of the patient. Use this code for the first 30…194610130$40$24.9K
    G9920Screening performed and negative1,2291,570640$10$24.8K
    36415In this procedure, the provider inserts a needle into a vein to collect a blood sample.1,7352,700440$1$24.7K
    G0442Annual alcohol misuse screening, 5 to 15 minutes316740250$10$10.2K
    90686This code represents a vaccine product administered into the muscle to protect against four strains of influenza (flu). It is preservative free, uses split virus technology, and is given as a 0.5 mL…2,6323,770240$1$8.8K

    Showing 1–10 of 44

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Ravindra GautamCAInternal Medicine Physician$13M$0
    John HwangCARetina Specialist (Ophthalmology) Physician$1.9M$1.7M
    Charles EifrigCARetina Specialist (Ophthalmology) Physician$2.6M$885K
    Gerald HoCARheumatology Physician$2.5M$745.5K
    Chiwai ChanCAInterventional Pain Medicine Physician$857.1K$2.3M
    Randall NguyenCAOphthalmology Physician$2.9M$118.3K
    Roger KornuCARheumatology Physician$2.7M$0
    Tien NguyenCADermatology Physician$447.5K$2.2M
    Tony MakhloufCARheumatology Physician$2.6M$0
    Michael RohCAOphthalmology Physician$1.6M$956.2K

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Serendipity Hearing IncCAHearing Aid Equipment$0$43.7M
    Dan LeCACardiovascular Disease Physician$1.5M$35K
    James TranCACardiovascular Disease Physician$848.7K$630.6K
    Cuong-dung DoCAOphthalmology Physician$840.8K$612.7K
    Dean NgoCAInternal Medicine Physician$549.3K$837.7K
    Long DangCAGastroenterology Physician$468.8K$902.9K
    Tung NguyenCACardiovascular Disease Physician$607.2K$539.5K
    Khanh DuongCAPodiatrist$1M$0
    Triet NguyenCAOphthalmology Physician$320K$671.1K
    Khaled ChanCAInternal Medicine Physician$686.8K$249.6K

    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
    Chinh Mai — 7 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California
    Medicaid Revenue by Year vs. California Providers
    0 of 5 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. California Distribution
    Chinh Mai — 0 of 12 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California