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    OpenPayerNPI Medicare & MedicaidKathryn Amacher
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    Kathryn Amacher — Billing Profile & Reimbursement Data

    NPI 1366545568 · Vacaville, CA · Geriatric Medicine (Internal Medicine) Physician

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    Kathryn Amacher is a geriatric medicine (internal medicine) physician provider located in Vacaville, California. This profile covers 30 Medicare and 9 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
    OrganizationKathryn Amacher
    Address269 Sage Sparrow Cir
    CityVacaville
    StateCA
    ZIP95687
    TaxonomyGeriatric Medicine (Internal Medicine) Physician
    NPI EnumeratedSeptember 6, 2006

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

    Payer SourceTotal Paid
    Medicare$496.9K
    Medicaid$55.9K

    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.

    30 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    99309The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or the provider…1,060$90$95.5K
    99349The provider sees an established patient for a home or residence visit involving evaluation and management (E/M). The visit involves moderate medical decision making or the provider spends at least…640$100$66K
    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…1,000$50$51.1K
    99306The provider sees a patient for an initial nursing facility care visit involving evaluation and management (E/M). The visit involves high medical decision making, and/or the provider spends at least…310$150$46K
    99308The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a low level of medical decision making and/or the provider…630$60$38K
    90837In this service, the provider performs psychotherapy, a series of technique for treating the psychiatric disorders of the patient. The treatment session typically lasts for a minimum of 53 minutes or…290$120$35.8K
    99483The provider performs a thorough assessment of a cognitively impaired patient’s understanding, comprehension, memory, and reasoning; obtains a history; reviews the patient’s medication lists and…120$230$26.1K
    99310The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a high level of medical decision making or the provider spends…140$130$17.7K
    99348The provider sees an established patient for a home or residence visit involving evaluation and management (E/M). The visit involves low medical decision making or the provider spends at least 30…320$50$16.4K
    99305The provider sees a patient for an initial nursing facility care visit involving evaluation and management (E/M). The visit involves moderate medical decision making or the provider spends at least…140$110$15.3K

    Showing 1–10 of 30

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 30 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    30 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    993092631,790210$80$48.1K
    9935030555080$140$38.8K
    908376721,430270$110$37.7K
    993083981,640190$60$35.5K
    99489122120130$60$31.8K
    99349123870110$90$31.7K
    9931032284090$120$31.2K
    G0182283060$80$28K
    994901511,060210$50$25.8K
    9948710922090$100$22.9K

    Showing 1–10 of 30

    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.

    9 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    99308The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a low level of medical decision making and/or the provider…3,130$10$31.3K
    99309The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or the provider…1,450$10$20.3K
    99306The provider sees a patient for an initial nursing facility care visit involving evaluation and management (E/M). The visit involves high medical decision making, and/or the provider spends at least…70$40$2.9K
    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…320$1$970
    99310The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a high level of medical decision making or the provider spends…20$20$350
    99307The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a straightforward level of medical decision making or the…60$1$220
    99349The provider sees an established patient for a home or residence visit involving evaluation and management (E/M). The visit involves moderate medical decision making or the provider spends at least…20$1$50
    99335N/A10$0$0
    99439The 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…10$0$0

    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

    9 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    99309The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or the provider…2941,000440$30$72K
    99310The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a high level of medical decision making or the provider spends…346410240$40$71.7K
    99308The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a low level of medical decision making and/or the provider…2021,150400$20$42K
    99349The provider sees an established patient for a home or residence visit involving evaluation and management (E/M). The visit involves moderate medical decision making or the provider spends at least…291320180$40$38.5K
    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…317640320$20$32.8K
    99306The provider sees a patient for an initial nursing facility care visit involving evaluation and management (E/M). The visit involves high medical decision making, and/or the provider spends at least…23543080$50$22.5K
    99439The 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…136140170$20$13.9K
    99335N/A199200120$20$11.9K
    99307The provider sees a patient for a subsequent nursing facility care visit involving evaluation and management (E/M). The visit involves a straightforward level of medical decision making or the…296440170$10$10.4K

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Northbay Healthcare GroupCAGeneral Acute Care Hospital$0$64.9M
    Columbus Radiology CorpOHDiagnostic Radiology Physician$0$49.9M
    Sutter Valley Medical FoundationCAMulti-Specialty Clinic/Center$0$41.2M
    Northbay Healthcare GroupCAAddiction Medicine (Psychiatry & Neurology) Physician$0$32.7M
    Sutter Valley Medical FoundationCAClinical Medical Laboratory$4.4M$3.8M
    Khosrow MehranyCASpecialist$7.7M$0
    Robert WendelCARetina Specialist (Ophthalmology) Physician$4.7M$0
    Cameron PoleCAOphthalmology Physician$4.5M$0
    Margaret ChangCARetina Specialist (Ophthalmology) Physician$4.3M$0
    Northbay Physicians Surgery Center LLCCAAmbulatory Surgical Clinic/Center$1.3M$2.9M

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    State Of California Prison Industry AuthorityCAEyewear Supplier$0$34.9M
    County Of SolanoCAFederally Qualified Health Center (FQHC)$0$25.8M
    Piangwarin PhaosawasdiCANephrology Physician$301.8K$0
    Eliza ThorntonCAAdult Medicine Physician$91.4K$0
    Gautam VadlamudiCAFamily Medicine Physician$63.7K$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
    Kathryn Amacher — 0 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 7 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. California Distribution
    Kathryn Amacher — 0 of 7 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California