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    OpenPayerNPI Medicare & MedicaidMichael Dao
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    Michael Dao — Billing Profile & Reimbursement Data

    NPI 1437321932 · Garden Grove, CA · Internal Medicine Physician

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    Michael Dao is a internal medicine physician provider located in Garden Grove, California. This profile covers 42 Medicare and 32 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
    OrganizationMichael Dao
    Address9191 Westminster Ave
    CityGarden Grove
    StateCA
    ZIP92844
    TaxonomyInternal Medicine Physician
    NPI EnumeratedMarch 25, 2008

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

    Payer SourceTotal Paid
    Medicare$1.3M
    Medicaid$630.8K

    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.

    42 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    36475In this procedure, the provider inserts a specially designed radiofrequency probe through the skin and destroys the wall of a diseased vein in an extremity. The provider reports this code for…320$990$316.5K
    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…5,330$50$261.2K
    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…3,600$70$244.9K
    36465In this procedure, the provider injects a noncompounded foam sclerosing solution into a single incompetent truncal vein of the extremity under ultrasound guidance to guide the dispersion of foam,…170$1,230$206.1K
    J7324Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose580$100$56.1K
    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…570$90$50.4K
    90662This code represents a flu vaccine product that is a split virus type, contains no preservatives, and has enhanced effectiveness due to a higher antigen content. It is administered as an injection…470$70$33.6K
    20610In this procedure, the provider inserts a needle through the skin of a patient and into a major joint or bursa and then uses the syringe attachment to the needle to remove fluid or he may inject a…670$50$31.5K
    36471In this procedure, the provider injects a sclerosing solution into more than one incompetent veins of the same leg, most commonly to treat varicose veins. It may be used to treat other vascular…120$170$21.3K
    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…120$170$20.7K

    Showing 1–10 of 42

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 42 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    42 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    364651710040$1,160$107.7K
    36475313030$940$52.9K
    9949061,060210$50$25.8K
    992144,22237,970120$90$23.2K
    J73248180100$100$16.8K
    92546325030$120$14.3K
    9592310414050$110$13.2K
    992134834,66080$70$13.2K
    36471168050$160$13.1K
    95921517060$70$10.7K

    Showing 1–10 of 42

    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.

    32 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…11,110$30$344.5K
    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…3,510$50$165.1K
    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…1,170$60$66.6K
    90674This code represents a flu vaccine product that protects against four strains of influenza. It is derived from cell cultures, contains no preservatives or antibiotics, and is administered as a 0.5 mL…540$30$17.2K
    90471In this procedure, the provider administers a live attenuated vaccine using a percutaneous, intradermal, subcutaneous, or intramuscular route.1,570$10$7.8K
    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…400$20$7.1K
    90688This code represents a vaccine product administered into the muscle to protect against four strains of influenza (flu). It uses split virus technology and is given as a 0.5 mL dose.250$20$5.5K
    J3301Injection, triamcinolone acetonide, not otherwise specified, 10 mg580$10$5.2K
    G9920Screening performed and negative130$30$3.4K
    90662This code represents a flu vaccine product that is a split virus type, contains no preservatives, and has enhanced effectiveness due to a higher antigen content. It is administered as an injection…50$60$2.8K

    Showing 1–10 of 32

    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

    32 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…2,92013,300640$40$169.6K
    G2023Specimen collection for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), any specimen source371500530$20$128.1K
    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…1,87014,520760$10$122.8K
    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…1,0205,590180$50$62.4K
    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…7571,420400$30$52.1K
    96372A therapeutic, prophylactic, or diagnostic substance (a fluid, a drug, etc.) is injected via intramuscular or subcutaneous route into the patient's body. The procedure is performed by the physician…1,5912,380350$20$50.3K
    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,…4,1165,600440$10$44.4K
    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…293640320$20$32.8K
    G9920Screening performed and negative1,1771,570640$10$24.8K
    93000The provider records the electrical conduction of the heart to examine any abnormality in its functioning, based on signals from at least 12 leads, wires that connect the recording device to…1,8211,920190$20$21.5K

    Showing 1–10 of 32

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Aaron JengCAInternal Medicine Physician$43.2M$0
    Healthcare Partners Affiliates Medical GroupCAInternal Medicine Physician$0$37.7M
    Richard ParkCAInternal Medicine Physician$31.7M$0
    Harbinder BrarCAMaternal & Fetal Medicine Physician$0$31.3M
    Jack AzadCAGeneral Practice Physician$17.2M$0
    Mark LeFLDiagnostic Radiology Physician$10.7M$0
    Leo PolosajianCAClinical Cardiac Electrophysiology Physician$6M$1.6M
    Amiel MoshfeghCAVascular & Interventional Radiology Physician$7.6M$0
    John SaitoCAPediatric Pulmonology Physician$468.7K$6.5M
    Geoffrey TrenkleCAFacial Plastic Surgery Physician$517.4K$6.5M

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Evergreen World IncCAAdult Day Care Clinic/Center$0$22.4M
    Paul LeeCAOphthalmology Physician$505.9K$41.9K
    Hyun KangCAFoot & Ankle Surgery Podiatrist$481.7K$25.1K
    Robert HaCAInternal Medicine Physician$387.1K$117.7K
    Helen DoCAFamily Nurse Practitioner$95K$0
    Hao DinhCAOtolaryngology/Facial Plastic Surgery Physician$65.1K$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
    Michael Dao — 8 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 6 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. California Distribution
    Michael Dao — 0 of 21 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California