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    OpenPayerNPI Medicare & MedicaidGastrointestinal Associates Endoscopy Center, LLC
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    Gastrointestinal Associates Endoscopy Center, LLC — Billing Profile & Reimbursement Data

    NPI 1962663559 · Wausau, WI · Ambulatory Surgical Clinic/Center

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    Gastrointestinal Associates Endoscopy Center, LLC is a ambulatory surgical clinic/center provider located in Wausau, Wisconsin. This profile covers 15 Medicare and 5 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
    OrganizationGastrointestinal Associates Endoscopy Center, LLC
    Address411 Westwood Dr
    CityWausau
    StateWI
    ZIP54401
    TaxonomyAmbulatory Surgical Clinic/Center
    NPI EnumeratedJune 17, 2008

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

    Payer SourceTotal Paid
    Medicaid$604.7K
    Medicare$473.3K

    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.

    15 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…480$400$190.8K
    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.360$200$70.2K
    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…190$300$58K
    G0105Colorectal cancer screening; colonoscopy on individual at high risk120$390$48K
    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.40$520$20.9K
    G0121Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk40$390$15K
    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…40$290$10.9K
    43237The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum; he also inserts an ultrasound transducer through the scope to examine these same…20$510$10.2K
    45390The provider performs flexible colonoscopy along with excision of mucous membrane tissue using an endoscope.10$780$9.4K
    43238The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum where he carries out an ultrasound–guided, intramural or transmural fine needle…20$500$9K

    Showing 1–10 of 15

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 15 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    15 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    45385232060$230$16.8K
    45380930040$130$7.6K
    G0105218020$220$6.4K
    G01211112020$230$5.3K
    43239132050$80$4.8K
    43238121030$170$4.6K
    4539071010$340$4.4K
    4325161020$220$4.3K
    43248205020$130$4.1K
    4324988020$160$4.1K

    Showing 1–10 of 15

    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.

    5 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…730$310$226.1K
    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…750$250$189.5K
    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.2,210$90$188K
    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…30$0$0
    G8918Patient without preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis30$0$0

    Medicaid: Competitive Analysis & Benchmarks

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

    Full comparison — all codes billed, vs. Wisconsin median

    5 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.20120400$180$186.8K
    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…2180240$180$109.1K
    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…1360170$200$85.7K
    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…3340130$0$0
    G8918Patient without preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis1620220$0$0

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Gastrointestinal Associates Endoscopy Center, LLCMSEndoscopy Clinic/Center$228.6K$13.9K
    Raymond HartkeWIGastroenterology Physician$71.6K$0
    Jon FrazierWICertified Registered Nurse Anesthetist$28.9K$0
    Angela GudenWICertified Registered Nurse Anesthetist$15.5K$0
    Marissa HernandezWICertified Registered Nurse Anesthetist$10.7K$0
    Thomas D'innocenzoWICertified Registered Nurse Anesthetist$10.1K$0

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    First Impressions ScWIPediatric Dentistry$0$17.3M
    Aspirus Wausau Hospital, Inc.WIGeneral Acute Care Hospital$0$16.3M
    Healthfirst Network Inc. F/k/a Family Planning Health Services Inc.WINon-Surgical Family Planning Clinic/Center$0$10.2M
    Aspirus Wausau Hospital, Inc.WILand Ambulance$4M$6.1M
    Aspirus Wausau Hospital, Inc.WIClinical Medical Laboratory$0$6.9M
    Aspirus Vna Home Health IncWIInpatient Hospice$0$3.2M
    Northwest Counseling & Guidance ClinicWIAdolescent and Children Mental Health Clinic/Center$0$3M
    Aspirus Wausau Hospital, IncWIEmergency Medicine Physician$0$2.7M
    Aspirus Vna Home Health Inc.WIDurable Medical Equipment & Medical Supplies$0$2.4M
    Total Renal Care IncWIEnd-Stage Renal Disease (ESRD) Treatment Clinic/Center$0$2.4M

    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. Wisconsin Distribution
    Gastrointestinal Associates Endoscopy Center, LLC — 4 of 15 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Wisconsin
    Medicaid Revenue by Year vs. Wisconsin Providers
    0 of 7 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. Wisconsin Distribution
    Gastrointestinal Associates Endoscopy Center, LLC — 0 of 3 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — Wisconsin