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    OpenPayerNPI Medicare & MedicaidJulia Sun
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    Julia Sun — Billing Profile & Reimbursement Data

    NPI 1235589912 · Lake Forest, IL · Rheumatology Physician

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    Julia Sun is a rheumatology physician provider located in Lake Forest, Illinois. This profile covers 21 Medicare and 4 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
    OrganizationJulia Sun
    Address800 N Westmoreland Rd Ste 201
    CityLake Forest
    StateIL
    ZIP60045
    TaxonomyRheumatology Physician
    NPI EnumeratedJune 14, 2016

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

    Payer SourceTotal Paid
    Medicare$548.6K
    Medicaid$17K

    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.

    21 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    J0129Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)4,680$30$158.9K
    J2357Injection, omalizumab, 5 mg4,640$30$139.1K
    J0897Injection, denosumab, 1 mg5,220$20$94K
    J1745Injection, infliximab, excludes biosimilar, 10 mg2,780$30$72.3K
    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…150$100$14.7K
    J1439Injection, ferric carboxymaltose, 1 mg13,500$1$13.5K
    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.190$60$10.2K
    96413Chemotherapy is a therapeutic procedure used for the treatment of cancer via the use of chemical agents. These chemical agents (drugs) work on the cancerous cells of the body to destroy them. These…80$110$8.5K
    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…110$70$7.3K
    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…40$170$7.3K

    Showing 1–10 of 21

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 21 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    21 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    J012931506,480$30$232.4K
    J23578203,630$30$133.3K
    J08971094102,520$20$90.8K
    J174526602,170$30$85.1K
    J1439648025,500$1$30K
    96413234370130$100$19.3K
    992147,70418,540110$80$17.1K
    992152,9096,24040$120$10.1K
    992136,83617,39070$60$8.8K
    206101,2651,55060$50$7.6K

    Showing 1–10 of 21

    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.

    4 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…210$60$11.9K
    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…50$40$1.9K
    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.60$30$1.8K
    99244The provider sees a patient for an office or other outpatient consultation involving evaluation and management (E/M). The E/M involves a moderate level of medical decision making or the provider…10$100$1.2K

    Medicaid: Competitive Analysis & Benchmarks

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

    Full comparison — all codes billed, vs. Illinois median

    4 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…8,34114,680300$50$48.7K
    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…11,29914,190280$20$38.9K
    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.5580150$40$29.3K
    99244The provider sees a patient for an office or other outpatient consultation involving evaluation and management (E/M). The E/M involves a moderate level of medical decision making or the provider…66175060$130$26.1K

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Gregory RetzingerOHClinical Pathology/Laboratory Medicine Physician$43K$12.9M
    Jonathan ParkerILFamily Medicine Physician$356.8K$4.3M
    Mary MulcahyILMedical Oncology Physician$3.2M$51.3K
    Kaitlin LimaFLInternal Medicine Physician$2.7M$0
    Robert PearlmanILOphthalmology Physician$1M$1.2M
    Rukhsana MirzaILOphthalmology Physician$1.8M$276.8K
    Jayesh MehtaILHematology (Internal Medicine) Physician$1.9M$204.4K
    Peggy ChanNYNuclear Medicine Physician$1.7M$56.8K
    Sheetal KircherILMedical Oncology Physician$1.6M$6.7K
    Manjot GillILOphthalmology Physician$1.4M$240.5K

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    John LeeILAnatomic Pathology & Clinical Pathology Physician$104.2K$1.5M
    Jennifer CapezioILRheumatology Physician$1.3M$6.2K
    Thomas MientusILAnatomic Pathology & Clinical Pathology Physician$1.1M$133K
    Patrick OnkkaILRheumatology Physician$1.1M$23.7K
    Kathryn KiehnILRheumatology Physician$791.2K$4.6K
    Charulatha NagarILNeurology Physician$518.7K$6K
    Mark BerkILDermatology Physician$391.7K$110K
    Michael McguireILUrology Physician$337.2K$153.7K
    Mugurel BazavanILAdvanced Heart Failure and Transplant Cardiology Physician$273.4K$149.6K
    Michael KellerILPulmonary Disease Physician$264.5K$95.8K

    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. Illinois Distribution
    Julia Sun — 0 of 21 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Illinois
    Medicaid Revenue by Year vs. Illinois Providers
    0 of 3 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. Illinois Distribution
    Julia Sun — 0 of 4 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Illinois