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 Maher
    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 Maher — Billing Profile & Reimbursement Data

    NPI 1265561211 · Torrance, CA · Ophthalmology Physician

    Customize your policy alerts

    Sign up for John Maher — 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 Maher is a ophthalmology physician provider located in Torrance, California. This profile covers 22 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
    OrganizationJohn Maher
    Address22924 Crenshaw Blvd
    CityTorrance
    StateCA
    ZIP90505
    TaxonomyOphthalmology Physician
    NPI EnumeratedMarch 5, 2007

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

    Payer SourceTotal Paid
    Medicare$643.1K
    Medicaid$21.2K

    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.

    22 rows

    CPT/HCPCS CodeDescriptionClaimsAvg PaidRevenue
    92014An ophthalmologist sees an established patient for a comprehensive level eye examination. Generally, a patient is considered to be "established" if the same physician, or any physician in the group…1,920$100$188K
    66984The provider inserts an artificial lens after removing an extracapsular cataract by aspiration or use of ultrasonic waves. This procedure is done without the use of an endoscopic laser probe to…320$400$127.7K
    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…680$100$69.7K
    92004The provider performs a comprehensive level ophthalmological evaluation of a new patient and initiates a diagnostic and treatment program for one or more visits.500$110$55.1K
    66821The provider removes the haziness from the capsule of the eye using a laser for a patient with a secondary membranous cataract.160$290$47.6K
    92083The provider may use one or more methods to determine the extent of a patient's visual field of one or both eyes; he interprets the results and prepares a report. Report this code for an extended…620$50$32.7K
    66170In this procedure, the provider creates a fistula and removes part of the trabecular meshwork to treat glaucoma and relieve intraocular pressure.30$950$28.4K
    92250Code 92250 describes the taking of fundus photographs, that is, photographs of the posterior segment of the inner aspect of the eye, to document alterations in the optic nerve head, retinal vessels,…830$30$24.1K
    65855In this procedure, the provider uses a laser to burn the trabecular meshwork, the tissue of mesh where the iris meets the sclera, to drain aqueous humor from the anterior chamber and treat glaucoma.80$210$16.5K
    92134The provider performs computerized diagnostic imaging of the retina in the posterior segment (back part) of the eye, interprets the data, and provides a report. The service may be on one or both eyes.370$30$12K

    Showing 1–10 of 22

    Medicare: Competitive Analysis & Benchmarks

    How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 22 CPT/HCPCS codes.

    View: State1 / 2

    Full comparison — all codes billed, vs. state median

    22 rows

    CPT/HCPCS CodeRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    669841781,25090$690$122.8K
    6698246751030$800$32K
    92014422,890110$100$28.7K
    920121,5621,620150$70$23.6K
    992143,23337,970120$90$23.2K
    668217495040$270$18.4K
    6617032020$900$18.1K
    921344942,15090$30$12.6K
    658555230030$190$9.9K
    76510910130$60$9.8K

    Showing 1–10 of 22

    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
    92014An ophthalmologist sees an established patient for a comprehensive level eye examination. Generally, a patient is considered to be "established" if the same physician, or any physician in the group…1,220$20$18.2K
    92250Code 92250 describes the taking of fundus photographs, that is, photographs of the posterior segment of the inner aspect of the eye, to document alterations in the optic nerve head, retinal vessels,…280$10$2.8K
    92004The provider performs a comprehensive level ophthalmological evaluation of a new patient and initiates a diagnostic and treatment program for one or more visits.10$20$250
    92133The provider performs computerized diagnostic imaging of the optic nerve in the posterior segment (back part) of the eye, interprets the data, and provides a report. The service may be on one or both…30$1$30
    1036FN/A50$0$0
    92134The provider performs computerized diagnostic imaging of the retina in the posterior segment (back part) of the eye, interprets the data, and provides a report. The service may be on one or both eyes.10$0$0
    G8427Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications430$0$0
    G9903Patient screened for tobacco use and identified as a tobacco non-user330$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

    8 rows

    CPT/HCPCS CodeDescriptionRankProvider CountMedian ClaimsAvg PaidAverage Revenue
    92134The provider performs computerized diagnostic imaging of the retina in the posterior segment (back part) of the eye, interprets the data, and provides a report. The service may be on one or both eyes.676700420$20$60.3K
    92014An ophthalmologist sees an established patient for a comprehensive level eye examination. Generally, a patient is considered to be "established" if the same physician, or any physician in the group…8152,460430$30$48.3K
    92004The provider performs a comprehensive level ophthalmological evaluation of a new patient and initiates a diagnostic and treatment program for one or more visits.2,3052,420410$30$37K
    92250Code 92250 describes the taking of fundus photographs, that is, photographs of the posterior segment of the inner aspect of the eye, to document alterations in the optic nerve head, retinal vessels,…4831,030220$20$30.4K
    92133The provider performs computerized diagnostic imaging of the optic nerve in the posterior segment (back part) of the eye, interprets the data, and provides a report. The service may be on one or both…432530230$20$17.2K
    G8427Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications333920220$1$1.3K
    G9903Patient screened for tobacco use and identified as a tobacco non-user112280170$1$220
    1036FN/A9741,240390$1$150

    Related Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Randall NguyenCAOphthalmology Physician$2.9M$118.3K
    Michael RohCAOphthalmology Physician$1.6M$956.2K
    Julie GasperiniCAOphthalmology Physician$1.5M$0
    Cindy UngMAOphthalmology Physician$952.1K$483.8K
    Yao WangCAOphthalmology Physician$152K$0
    Britney Kitamata-wongCAOptometrist$17.8K$0
    George ComerCAOptometrist$9K$0

    Nearby Providers

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

    ProviderStateTaxonomyMedicare RevenueMedicaid Revenue
    Pacific Endo-surgical Center LPCAAmbulatory Surgical Clinic/Center$937.7K$0
    Skypark Surgery Center LLCCAAmbulatory Surgical Clinic/Center$881.6K$0
    Torrance Surgery Center, LPCAAmbulatory Surgical Clinic/Center$795K$30.8K
    Farhad NowzariCAUrology Physician$714.1K$0
    David KlashmanCARheumatology Physician$572.9K$0
    Lawrence FlechnerCAUrology Physician$571.6K$0
    Kambiz DardashtiCAUrology Physician$541.3K$0
    Paul KimCARheumatology Physician$521.1K$0
    Torrance Endoscopy And Surgical Affiliates, IncCAAmbulatory Surgical Clinic/Center$481.5K$0
    Peter ShinCAFamily Medicine Physician$463.1K$850

    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
    John Maher — 4 of 22 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
    John Maher — 0 of 4 codes billed far more than typical (above p95)
    p5–p95 (all providers)p25–p75MedianThis providerOutlier
    Rank Distribution — California