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    OpenPayerNPI Medicare & MedicaidGastroenterology Associates, LLC
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    Gastroenterology Associates, LLC — Billing Profile & Reimbursement Data

    NPI 1548241623 · Olympia, WA · Ambulatory Surgical Clinic/Center

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    Gastroenterology Associates, LLC is a ambulatory surgical clinic/center provider located in Olympia, Washington. This profile covers 12 Medicare and 6 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 TypeOrganization
    OrganizationGastroenterology Associates, LLC
    Address209 Lilly Road Ne
    CityOlympia
    StateWA
    ZIP98506
    TaxonomyAmbulatory Surgical Clinic/Center
    NPI EnumeratedNovember 7, 2005

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

    Payer SourceTotal Paid
    Medicaid$1.2M
    Medicare$1.2M

    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.

    12 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    45385The provider examines the colon and rectum using a colonoscope, a long, thin flexible tubular instrument with a light source and camera. He removes one or more tumors, polyps, or other lesions with a…860$490$419.9K
    45380The provider examines the rectum and colon using a flexible colonoscope, a tubular instrument with a light source and camera, to look for the cause of a patient's symptoms, which may include…890$390$345.7K
    43239The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum where he removes one or more tissue biopsy specimens for diagnostic analysis.560$250$138.9K
    43248The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum; then through the scope, he passes a guidewire over which he passes dilators through the…200$310$62.8K
    G0105Colorectal cancer screening; colonoscopy on individual at high risk130$450$57.3K
    G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk120$450$52.8K
    45378The provider examines the colon and rectum using a colonoscope, a flexible tube with a camera at its inserted end. If he sees any areas of abnormal mucosa or tissue, he takes samples using a brush…80$350$26K
    43235The provider inserts an endoscope through the mouth and down into the esophagus, stomach, and duodenum for diagnostic purposes; the provider may collect specimens by brushing or washing.60$330$20.5K
    43249The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum and dilates (widens) the esophagus with a balloon less than 30 mm in diameter.30$620$17.3K
    45381The provider inserts a flexible endoscope into the anus and navigates the scope through the entire colon. The provider performs one or more injections into the submucosa (the tissue below the mucous…70$260$16.8K

    Showing 1–10 of 12

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 12 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    12 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    45385438070$290$31K
    45380137060$190$16.4K
    G01051122030$280$10.2K
    43239237060$120$9.3K
    G0121314020$300$8K
    4345011020$360$7.9K
    43248311030$180$7K
    4325182020$310$6.5K
    43249176020$240$6.4K
    45378213020$200$4.2K

    Showing 1–10 of 12

    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.

    6 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    45380The provider examines the rectum and colon using a flexible colonoscope, a tubular instrument with a light source and camera, to look for the cause of a patient's symptoms, which may include…1,970$220$426.4K
    45385The provider examines the colon and rectum using a colonoscope, a long, thin flexible tubular instrument with a light source and camera. He removes one or more tumors, polyps, or other lesions with a…1,400$260$366.5K
    43239The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum where he removes one or more tissue biopsy specimens for diagnostic analysis.1,830$180$333.2K
    45378The provider examines the colon and rectum using a colonoscope, a flexible tube with a camera at its inserted end. If he sees any areas of abnormal mucosa or tissue, he takes samples using a brush…250$320$79.6K
    43248The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum; then through the scope, he passes a guidewire over which he passes dilators through the…130$190$24.8K
    G8907Patient documented not to have experienced any of the following events: a burn prior to discharge; a fall within the facility; wrong site/side/patient/procedure/implant event; or a hospital transfer…100$0$0

    Medicaid: Competitive Analysis & Benchmarks

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

    Full comparison — all codes billed, vs. Washington median

    6 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    43239The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum where he removes one or more tissue biopsy specimens for diagnostic analysis.36120590$230$331.2K
    45380The provider examines the rectum and colon using a flexible colonoscope, a tubular instrument with a light source and camera, to look for the cause of a patient's symptoms, which may include…16100390$260$244.5K
    45385The provider examines the colon and rectum using a colonoscope, a long, thin flexible tubular instrument with a light source and camera. He removes one or more tumors, polyps, or other lesions with a…1690260$300$208.5K
    45378The provider examines the colon and rectum using a colonoscope, a flexible tube with a camera at its inserted end. If he sees any areas of abnormal mucosa or tissue, he takes samples using a brush…135090$400$102.5K
    43248The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum; then through the scope, he passes a guidewire over which he passes dilators through the…32060$310$45.6K
    G8907Patient documented not to have experienced any of the following events: a burn prior to discharge; a fall within the facility; wrong site/side/patient/procedure/implant event; or a hospital transfer…255090$1$1

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Harpreet BrarWAGastroenterology Physician$73.8K$0

    Nearby Providers

    Other providers in the same ZIP code as Gastroenterology Associates, LLC, ranked by combined Medicare and Medicaid revenue.

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Behavioral Health ResourcesWACommunity/Behavioral Health Agency$0$40.7M
    Providence Health & Services WashingtonWAGeneral Acute Care Hospital$0$39.9M
    Providence Health & Services WashingtonWAFamily Medicine Physician$0$20M
    Harbor Health Solutions LLCWAHome Health Agency$0$8.6M
    Olympia Emergency Services, PLLCWAEmergency Medicine Physician$0$6.5M
    South Sound Pediatrics PLLCWAPediatrics Physician$0$6.3M
    Healthy Future PediatricsWAPediatrics Physician$0$4.3M
    Neighborcare HealthWAFederally Qualified Health Center (FQHC)$0$3.9M
    Sea Mar Community Health CentersWAFederally Qualified Health Center (FQHC)$0$3.4M
    Olympia Pediatrics, PLLCWASpecialist$0$2.7M

    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. Washington Distribution
    Gastroenterology Associates, LLC — 9 of 12 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Washington
    Medicaid Revenue by Year vs. Washington Providers
    0 of 7 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. Washington Distribution
    Gastroenterology Associates, LLC — 0 of 5 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Washington