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 & MedicaidSteven Gruenstein
    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

    Steven Gruenstein — Billing Profile & Reimbursement Data

    NPI 1407855307 · New York, NY · Hematology & Oncology Physician

    Customize your policy alerts

    Sign up for Steven Gruenstein — 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.

    Steven Gruenstein is a hematology & oncology physician provider located in New York, New York. This profile covers 92 Medicare and 8 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
    OrganizationSteven Gruenstein
    Address12 E 86th St Ofc 4
    CityNew York
    StateNY
    ZIP10028
    TaxonomyHematology & Oncology Physician
    NPI EnumeratedJuly 21, 2005

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

    Payer SourceTotal Paid
    Medicare$1.2M
    Medicaid$11.4K

    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.

    92 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    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…1,830$110$207.2K
    88185The lab analyst performs the technical component of a flow cytometry procedure using cell surface, cytoplasmic, or nuclear markers to characterize cells and aid clinicians in diagnosing patients with…8,880$20$204.2K
    J0897Injection, denosumab, 1 mg7,440$20$133.9K
    J1439Injection, ferric carboxymaltose, 1 mg80,250$1$80.3K
    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…830$60$46.5K
    99215The provider sees an established 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…260$160$42.1K
    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…430$80$36.4K
    J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)16,400$1$32.8K
    96413Chemotherapy is a therapeutic procedure used for the treatment of cancer via the use of chemical agents. These chemical agents (drugs) work on the cancerous cells of the body to destroy them. These…240$130$30.4K
    88184The lab analyst performs the technical component of a flow cytometry procedure using a cell surface, cytoplasmic, or nuclear marker to characterize cells and aid clinicians in diagnosing patients…390$70$28.3K

    Showing 1–10 of 92

    • More pages

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 92 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    92 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    J0897784902,820$20$84.4K
    8818571001,210$20$74.9K
    J1439159039,750$1$42K
    J0881288013,100$1$41K
    994901401,210150$50$21K
    J1454124050$340$20.5K
    861471720280$20$19.2K
    9921412130,45090$100$19K
    861461420250$20$18.7K
    9641387380110$110$18.1K

    Showing 1–10 of 92

    • More pages

    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.

    8 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    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…190$40$8.4K
    85025A complete blood count (better known as a CBC) is a blood test request by a doctor that provides detailed information about various types of cells in a patient's blood. Usually a pathologist or a…420$1$1.2K
    80053The lab analyst performs a comprehensive metabolic panel, or CMP test in which he measures the blood level of 14 chemicals the code descriptor lists for the panel.180$1$730
    83735The lab analyst performs a test to measure the amount of magnesium in a patient specimen.120$1$350
    84100The lab analyst performs a test to evaluate the level of phosphate, which is phosphorus not contained in biological compounds, in a patient specimen such as serum.140$1$270
    83615The lab analyst measures the lactate dehydrogenase, typically in a serum sample. Lactate dehydrogenase is found in many body tissues, especially in the liver, kidney, and heart, and also in red blood…120$1$240
    84550The lab analyst performs a test to measure the amount of uric acid in patient blood.100$1$200
    36415In this procedure, the provider inserts a needle into a vein to collect a blood sample.10$0$0

    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

    8 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    80053The lab analyst performs a comprehensive metabolic panel, or CMP test in which he measures the blood level of 14 chemicals the code descriptor lists for the panel.4065901,160$20$277.2K
    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…8,70916,550220$90$186.8K
    85025A complete blood count (better known as a CBC) is a blood test request by a doctor that provides detailed information about various types of cells in a patient's blood. Usually a pathologist or a…511850960$1$36.4K
    36415In this procedure, the provider inserts a needle into a vein to collect a blood sample.4,7725,090450$10$35.9K
    83735The lab analyst performs a test to measure the amount of magnesium in a patient specimen.2913601,440$1$13.5K
    83615The lab analyst measures the lactate dehydrogenase, typically in a serum sample. Lactate dehydrogenase is found in many body tissues, especially in the liver, kidney, and heart, and also in red blood…161230640$1$11.3K
    84550The lab analyst performs a test to measure the amount of uric acid in patient blood.181260410$1$11K
    84100The lab analyst performs a test to evaluate the level of phosphate, which is phosphorus not contained in biological compounds, in a patient specimen such as serum.223300650$1$8.7K

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    North Shore Hematology Oncology Associates PCNYSpecialist$0$61.9M
    Crystal Run Healthcare Physicians LLPNYGeneral Practice Physician$0$34.1M
    Tony AbrahamNYNuclear Radiology Physician$7.6M$442.6K
    Riem BadrNYHematology (Pathology) Physician$8M$2.2K
    Alexander ZuhoskiNYHematology & Oncology Physician$4.4M$45.7K
    Pejman DalaieNYDiagnostic Radiology Physician$3.6M$172.2K
    Esther CoronelNYDiagnostic Radiology Physician$3.3M$162.2K
    Roy ChenNYHematology & Oncology Physician$3.3M$104.3K
    Dimitri KessarisNYUrology Physician$275.7K$2.8M
    David ChuNYHematology & Oncology Physician$3.1M$44.7K

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    City Medical Of Upper East Side, PLLCNYUrgent Care Clinic/Center$0$641.6M
    Omar AhmedNYNeurology Physician$1M$1.8M
    Talha ShaikhNYRadiation Oncology Physician$667.1K$659.7K
    Andrew RosenNYAdult Reconstructive Orthopaedic Surgery Physician$1M$0
    Brenda PanzeraNYHematology & Oncology Physician$922.4K$21.8K
    Amory NovoselacNYHematology & Oncology Physician$835.7K$63.6K
    Waseem MirNYSpecialist$845.2K$610
    Adam DeutschNYCardiovascular Disease Physician$771.5K$32K
    Joseph MaklanskyNYDiagnostic Radiology Physician$774.9K$0
    Gary StarkmanNYNeurology Physician$695.8K$19.8K

    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
    Steven Gruenstein — 11 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
    Steven Gruenstein — 0 of 7 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — New York