Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerNPI Medicare & MedicaidJohn Ioannou
    Ask Trek AI about this page

    Table of contents

    Progress1 / 11

    Explore openpayer tools

    • Billing CodesCPT, HCPCS, DRG & more
    • Reimbursement RatesCommercial vs. Medicare rate reports
    • ProvidersHospitals & facilities
    • PayersPlans & market footprint
    • Taxonomy CodesNUCC specialty codes
    • ModifiersCPT modifiers & usage
    • Prior AuthorizationPA policies by payer & drug
    • Timely FilingFiling deadlines by payer
    • Coverage CriteriaMedical necessity by payer
    • Payer ContactsClaims, PA & appeals contacts
    View all tools

    John Ioannou — Billing Profile & Reimbursement Data

    NPI 1851330328 · Rockville Centre, NY · Nephrology Physician

    Customize your policy alerts

    Sign up for John Ioannou — Billing Profile & Reimbursement Data policy alerts

    Get alerted when relevant policies change without checking for updates manually.

    Monitor payer policy activity

    Receive email alerts as soon as relevant payer policies are published or updated.

    John Ioannou is a nephrology physician provider located in Rockville Centre, New York. This profile covers 38 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 TypeIndividual
    OrganizationJohn Ioannou
    Address242 Merrick Rd
    CityRockville Centre
    StateNY
    ZIP11570
    TaxonomyNephrology Physician
    NPI EnumeratedJune 6, 2006

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

    Payer SourceTotal Paid
    Medicare$340.9K
    Medicaid$20.3K

    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.

    38 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    99232The provider sees a patient for a subsequent hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or…920$70$66.5K
    90960The provider manages all the services associated with the monthly care of a patient who is 20 years old or older and has a condition known as end stage renal disease or ESRD. For this service, the…200$330$64.9K
    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…540$90$49.2K
    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…350$110$37.6K
    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…240$160$37.4K
    90961The provider manages all the services associated with the monthly care of a patient who is 20 years old or older and has a condition known as end stage renal disease, or ESRD. For this service, the…60$270$16.4K
    99457The provider manages treatment using data from remote physiologic monitoring. The service requires at least one real–time interactive communication with the patient or caregiver during the month and…210$50$9.6K
    90935Hemodialysis is a procedure that involves drawing blood via an intra–arterial or intravenous catheter, then sieving it through a semi permeable membrane to remove the impurities and finally…130$70$8.4K
    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…160$50$8K
    99204The provider sees a new 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 provider…40$150$6.2K

    Showing 1–10 of 38

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 38 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    38 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    90960157440160$300$58.7K
    994905851,210150$50$21K
    992142,64530,45090$100$19K
    992339418,64080$100$15.8K
    9096110734050$250$14.7K
    9923237711,85080$70$13.8K
    99457166480150$40$12.5K
    99454346420130$40$12.5K
    9921322,82031,44080$70$12.1K
    823063671,03060$30$10.9K

    Showing 1–10 of 38

    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
    99232The provider sees a patient for a subsequent hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or…1,420$10$9.9K
    90960The provider manages all the services associated with the monthly care of a patient who is 20 years old or older and has a condition known as end stage renal disease or ESRD. For this service, the…180$40$6.3K
    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$20$2.6K
    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…90$20$1.7K
    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…60$10$370

    Medicaid: Competitive Analysis & Benchmarks

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

    Full comparison — all codes billed, vs. New York median

    5 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    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…9,89316,550220$90$186.8K
    90960The provider manages all the services associated with the monthly care of a patient who is 20 years old or older and has a condition known as end stage renal disease or ESRD. For this service, the…285440420$70$52.8K
    99232The provider sees a patient for a subsequent hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or…4824,120130$30$26.7K
    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…1,6212,620100$50$25.1K
    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…5211,67040$90$19.1K

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Daniel SimonNJVascular & Interventional Radiology Physician$4.2M$0
    Amit ShahNYVascular Surgery Physician$3.6M$74.2K
    Andrew RosensonILDiagnostic Radiology Physician$3.1M$193.2K
    Gad AvshalomovNYAllergy & Immunology Physician$1.6M$452.4K
    Jason GrotasNYUrology Physician$553.8K$981.8K
    Rajbir ChopraNYNephrology Physician$375.3K$1.2M
    David KavesteenNYCardiovascular Disease Physician$958.5K$514.3K
    Bashar EricsoossiINNephrology Physician$786.7K$410.2K
    Anna ImperatoNYInternal Medicine Physician$951.5K$0
    Prem ChatparNYRheumatology Physician$939.3K$5.3K

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    North Shore Lij, Urgent Care, P.C.NYUrgent Care Clinic/Center$0$111.7M
    Mercy Medical CenterNYGeneral Acute Care Hospital$0$43.9M
    Better Home Health Care Agency, Inc.NYHome Health Agency$0$22.3M
    Glenn StollerNYOphthalmology Physician$4.6M$637.1K
    Emmanouil VasilakisNYOrthopedic Physical Therapist$648.6K$4.3M
    Angelito TanNYNeurology Physician$1.4M$675.6K
    Jeff KopelmanNYPlastic Surgery within the Head & Neck (Otolaryngology) Physician$287.1K$1.1M
    Todd HalperNYFamily Medicine Physician$1.1M$196.6K
    Charles MitgangNYInternal Medicine Physician$1M$3K
    Khawaja HassanNYPlastic Surgery Physician$1M$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. New York Distribution
    John Ioannou — 2 of 25 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — New York
    Medicaid Revenue by Year vs. New York Providers
    0 of 6 years billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Claims Volume vs. New York Distribution
    John Ioannou — 0 of 5 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — New York