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    OpenPayerNPI Medicare & MedicaidDorothy Lam
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    Dorothy Lam — Billing Profile & Reimbursement Data

    NPI 1497911044 · Chicago, IL · Diagnostic Radiology Physician

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    Dorothy Lam is a diagnostic radiology physician provider located in Chicago, Illinois. This profile covers 42 Medicare and 37 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
    OrganizationDorothy Lam
    Address5145 N. California Ave.
    CityChicago
    StateIL
    ZIP60625
    TaxonomyDiagnostic Radiology Physician
    NPI EnumeratedAugust 4, 2008

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

    Payer SourceTotal Paid
    Medicaid$990.5K
    Medicare$106.5K

    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
    77067The provider takes two X–ray views of each breast for routine screening and may use specially designed computer software to help identify any potential abnormalities within the images; the software…580$40$22.5K
    77063The provider captures three dimensional images of the breast using X–rays at various angles for routine checkup. He checks for the presence of any abnormality within the breasts. Tomosynthesis…570$30$17.7K
    78452In this procedure, the provider performs multiple SPECT studies of the heart to determine the areas of deficient blood flow. The goal of the procedure is to determine areas that have deficient blood…290$60$16.6K
    70450The provider performed computed tomography, or CT scanning, of the head or brain, without contrast. He performs the procedure to diagnose any brain or intracranial abnormalities.160$30$4.8K
    74177The provider performs computed tomography of the abdomen and pelvis with contrast material to diagnose the cause of abdominal or pelvic pain or other abnormalities of the internal organs.60$70$4.4K
    G0279Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066)140$20$3.1K
    76770A retroperitoneal ultrasound is a noninvasive procedure used to assess the body parts within the abdomen (i.e.Kidneys, urinary bladder, and aorta). This particular code is used when the ultrasound is…110$30$3K
    77066The provider performs X–ray imaging on both breasts in a patient with a lump or suspected cancer and may use specially designed computer software to help identify or diagnose potential abnormalities…80$30$2.7K
    76642In this procedure, the provider performs a focused ultrasound of one breast on a limited area. The procedure includes documentation of the images.100$30$2.7K
    19083Under ultrasound guidance, the provider takes breast tissue percutaneously from a single lesion for biopsy. He may place a localization device at the same time.20$130$2.7K

    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
    77067160510320$50$25.3K
    77063150490320$30$15.7K
    784521657070$140$13.2K
    741777501,020120$80$11.7K
    70450540890200$30$7.9K
    7417674895080$70$6.3K
    9388028174040$80$5.6K
    7127568890060$70$5.3K
    7125085894080$50$5.1K
    9397038691040$60$4.5K

    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.

    37 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    77067The provider takes two X–ray views of each breast for routine screening and may use specially designed computer software to help identify any potential abnormalities within the images; the software…6,430$30$173.7K
    77063The provider captures three dimensional images of the breast using X–rays at various angles for routine checkup. He checks for the presence of any abnormality within the breasts. Tomosynthesis…6,340$20$133.1K
    76815The provider performs a limited examination of the fetus using ultrasound. The provider performs the examination of certain parameters for one or more fetuses.4,160$30$124.7K
    76856A pelvic ultrasound is a noninvasive procedure used to assess body parts such as the bladder, ovaries, uterus, cervix, and fallopian tubes in females and the bladder, prostate gland, and seminal…2,310$30$71.7K
    76830The provider performs a transvaginal ultrasound to assess the reproductive organs, that is, the uterus, fallopian tubes, ovaries, cervix, and vagina in a female patient.2,100$30$69.2K
    70450The provider performed computed tomography, or CT scanning, of the head or brain, without contrast. He performs the procedure to diagnose any brain or intracranial abnormalities.1,220$50$63.3K
    78452In this procedure, the provider performs multiple SPECT studies of the heart to determine the areas of deficient blood flow. The goal of the procedure is to determine areas that have deficient blood…2,090$30$58.6K
    76642In this procedure, the provider performs a focused ultrasound of one breast on a limited area. The procedure includes documentation of the images.2,550$20$53.5K
    77066The provider performs X–ray imaging on both breasts in a patient with a lump or suspected cancer and may use specially designed computer software to help identify or diagnose potential abnormalities…990$30$31.7K
    76811The provider performs an ultrasound study using a transabdominal approach to examine the fetus and mother, along with additional examination of the fetal anatomy, such as the heart rate, amniotic…810$40$30.7K

    Showing 1–10 of 37

    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

    37 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    76811The provider performs an ultrasound study using a transabdominal approach to examine the fetus and mother, along with additional examination of the fetal anatomy, such as the heart rate, amniotic…55100900$70$79.8K
    70450The provider performed computed tomography, or CT scanning, of the head or brain, without contrast. He performs the procedure to diagnose any brain or intracranial abnormalities.256880570$60$62.9K
    76819The provider performs a biophysical profile test to measure the health of the baby during pregnancy using only ultrasound and not a nonstress test.84140190$30$33.7K
    77067The provider takes two X–ray views of each breast for routine screening and may use specially designed computer software to help identify any potential abnormalities within the images; the software…6620340$40$29.4K
    74177The provider performs computed tomography of the abdomen and pelvis with contrast material to diagnose the cause of abdominal or pelvic pain or other abnormalities of the internal organs.383920400$50$29.1K
    76805In this procedure, the provider performs an ultrasound of a pregnant uterus for examination of the first or a single fetus and to examine the mother after the first trimester, or more than 14 weeks…36320100$50$17K
    76815The provider performs a limited examination of the fetus using ultrasound. The provider performs the examination of certain parameters for one or more fetuses.6480110$40$15.4K
    76830The provider performs a transvaginal ultrasound to assess the reproductive organs, that is, the uterus, fallopian tubes, ovaries, cervix, and vagina in a female patient.1353080$50$13.8K
    76817The provider performs an ultrasound of the pregnant uterus to examine the fetus and the mother's organs using a transvaginal approach.7538090$30$13.6K
    76801In this procedure, the provider performs a real time or live image, ultrasound of a pregnant uterus for examination of the first or a single fetus and mother during the first trimester, or less than…8125080$40$12.9K

    Showing 1–10 of 37

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Southeastern Physician Services PCTNHospitalist Physician$0$14.7M
    Endeavor Health Medical GroupILClinical Medical Laboratory$0$7.7M
    Endeavor Health Clinical OperationsILGeneral Acute Care Hospital$0$7.1M
    Loren DardiILAnatomic Pathology & Clinical Pathology Physician$12.1K$3.7M
    Jeffrey ParnellILRetina Specialist (Ophthalmology) Physician$2.6M$27.5K
    Karen KaulILAnatomic Pathology & Clinical Pathology Physician$16.2K$1.7M
    Roop GuptaILGastroenterology Physician$237.3K$1.3M
    Kenneth ResnickILRetina Specialist (Ophthalmology) Physician$1.4M$74.2K
    Vassilios DimitropoulosINDermatology Physician$1.1M$293.6K
    Uzoma OkoliILPsychiatry Physician$129.4K$1.2M

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Erie Family Health Center IncILFederally Qualified Health Center (FQHC)$0$13.8M
    Northshore Clinical Laboratories IncILClinical Medical Laboratory$164.7K$10.8M
    Erie Family Health Center, IncILFederally Qualified Health Center (FQHC)$0$6.7M
    Lutheran Social Services Of IllinoisILMental Health Clinic/Center (Including Community Mental Health Center)$0$4.2M
    Swedish Covenant HealthILGeneral Acute Care Hospital$0$3.2M
    Zaki SiddiquiILPediatrics Physician$0$3.2M
    Robert PearlmanILOphthalmology Physician$1M$1.2M
    Nicholas ManolitsisILPhysical Medicine & Rehabilitation Physician$1.8M$0
    Arun NagarajuILDiagnostic Radiology Physician$283.9K$908.4K
    Zareena AbbasILInternal Medicine Physician$53K$1M

    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
    Dorothy Lam — 1 of 25 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 7 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. Illinois Distribution
    Dorothy Lam — 8 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Illinois