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    v1.0.28
    OpenPayerNPI Medicare & MedicaidMark Liwanag
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    Mark Liwanag — Billing Profile & Reimbursement Data

    NPI 1932514858 · Hilton Head Island, SC · Cardiovascular Disease Physician

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    Mark Liwanag is a cardiovascular disease physician provider located in Hilton Head Island, South Carolina. This profile covers 37 Medicare and 0 Medicaid CPT/HCPCS procedure codes, with claims volume, average reimbursement, and total revenue by code, benchmarked against other providers billing the same services.

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    Provider details (source: NPPES NPI Registry)

    FieldValue
    Entity TypeIndividual
    OrganizationMark Liwanag
    Address8 Hospital Center Blvd Ste 150
    CityHilton Head Island
    StateSC
    ZIP29926
    TaxonomyCardiovascular Disease Physician
    NPI EnumeratedJune 30, 2014

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

    Payer SourceTotal Paid
    Medicare$193.7K
    Medicaid$0

    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.

    37 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    93656A comprehensive electrophysiologic (EP) study involves the provider placing wire electrodes in the heart to measure electrical activity. The provider punctures the thin wall between the heart…30$710$21.4K
    99223The provider sees a patient for an initial hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a high level of medical decision making or the…120$130$15.6K
    93280In this service, the provider performs a face to face evaluation and then optimally adjusts the existing parameters of an already implanted dual lead pacemaker system.  He changes various operating…270$50$13.9K
    33208The provider inserts or replaces a permanent pacemaker and implants electrodes into the right atrium and right ventricle.30$390$13K
    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…120$90$11.5K
    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…60$160$9.8K
    93653A comprehensive electrophysiologic (EP) study involves the provider placing wire electrodes in the heart to measure electrical activity. The provider induces, or attempts to induce, arrhythmia. The…10$630$8.2K
    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…140$60$8K
    93296The technician gathers data, for a period of up to 90 days, from a patient’s single, dual, multiple lead, or leadless pacemaker system or implantable defibrillator system by remotely accessing the…500$20$7.5K
    99233The provider sees a patient for a subsequent hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a high level of medical decision making or the…80$90$7.1K

    Showing 1–10 of 37

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 37 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    37 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    93656304040$700$33.1K
    992145,1047,860160$80$23.2K
    992321,3252,78090$60$12K
    93653242020$630$11.9K
    33208266030$370$11.5K
    992133,1967,690100$60$10.8K
    992331,6341,77080$90$10.7K
    G206670100140$40$10K
    33228162020$610$9.7K
    992151,4932,36040$120$9.3K

    Showing 1–10 of 37

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    University Physicians IncorporatedCOInternal Medicine Physician$0$190.8M
    Ohiohealth CorporationOHFamily Medicine Physician$0$89.1M
    Northern Arizona Healthcare CorporationAZFamily Medicine Physician$0$11.4M
    Hospitalist Medicine Physicians Of Ohio, Professional CorporationOHInternal Medicine Physician$0$9.7M
    Northern Arizona Healthcare CorporationAZMulti-Specialty Clinic/Center$0$6M
    Irfan RaheemFLRheumatology Physician$1.3M$0
    Naveed IqbalILCardiovascular Disease Physician$883.9K$121.6K
    Jasmit MinhasWAInternal Medicine Physician$965.4K$0
    Sarah ConlonAZMedical Oncology Physician$908.6K$0
    Cliff OmoregieTXInternal Medicine Physician$849.2K$0

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Coastal Pediatric Dentistry, LLCSCPediatric Dentistry$0$13.8M
    Ash ServicesSCRehabilitation Clinic/Center$0$4.9M
    Outpatient Surgery Center Of Hilton HeadSCAmbulatory Surgical Clinic/Center$3.7M$896K
    Hilton Head Health System, L.P.SCGeneral Acute Care Hospital$0$4.4M
    Salerno Pediatric Care LLCSCPediatrics Physician$0$1.9M
    Carl BakerSCRetina Specialist (Ophthalmology) Physician$1.7M$6.9K
    Kidz Planet Pediatric Dentistry Hhi, PASCPediatric Dentistry$0$1.7M
    Stephen LutherSCInternal Medicine Physician$1.2M$0
    Peter LiggettSCRetina Specialist (Ophthalmology) Physician$1M$0
    Ravina BalchandaniSCCardiovascular Disease Physician$952.8K$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. South Carolina Distribution
    Mark Liwanag — 1 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — South Carolina