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Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · PY2019–2025 Search official records

IRRAS USA, Inc.

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Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

Centers for Medicare & Medicaid Services, Open Payments

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state.

Payment records · PY2023

Date, newest first, then reporting company; values as published by CMS.

General Payments · PY2023 · All recipient types · CMS publication 2026-06-30

115 matching records · $12,757.83 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 115 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 115.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
DEREK D MAFONG
Physician / non-physician practitioner		 IRRAS USA, Inc. $19.9812/15/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261013377155 CMS
GIANCARLO MIGNUCCI
Physician / non-physician practitioner		 IRRAS USA, Inc. $204.3712/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261013694159 CMS
MARK STEPHENS
Physician / non-physician practitioner		 IRRAS USA, Inc. $107.9912/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017342087 CMS
NICHOLAS HOPKINS
Physician / non-physician practitioner		 IRRAS USA, Inc. $107.9912/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261018221577 CMS
SHERWIN ANDREW TAVAKOL
Physician / non-physician practitioner		 IRRAS USA, Inc. $204.3612/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261021115709 CMS
XIAOCHUN ZHAO
Physician / non-physician practitioner		 IRRAS USA, Inc. $204.3512/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261021824247 CMS
BOHDAN W CHOPKO
Physician / non-physician practitioner		 IRRAS USA, Inc. $101.3712/06/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261008212825 CMS
PATRICK P YOUSSEF
Physician / non-physician practitioner		 IRRAS USA, Inc. $144.9412/05/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261018407535 CMS
ALEXANDRA PAUL
Physician / non-physician practitioner		 IRRAS USA, Inc. $856.0111/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261007745895 CMS
DENISE M RIOS
Physician / non-physician practitioner		 IRRAS USA, Inc. $99.9311/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261013329987 CMS
MATTHEW WILLIAM WEBB
Physician / non-physician practitioner		 IRRAS USA, Inc. $99.9211/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017354455 CMS
MICHAEL GAUB
Physician / non-physician practitioner		 IRRAS USA, Inc. $205.8411/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017527219 CMS
RAJESH GUNAJI
Physician / non-physician practitioner		 IRRAS USA, Inc. $99.9211/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261018730117 CMS
THOMAS PATTERSON
Physician / non-physician practitioner		 IRRAS USA, Inc. $99.9211/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261021332377 CMS
BURAK OZAYDIN
Physician / non-physician practitioner		 IRRAS USA, Inc. $96.3611/14/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261008540131 CMS
GRIFFIN LOUIS ERNST
Physician / non-physician practitioner		 IRRAS USA, Inc. $96.3611/14/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261013791499 CMS
HELEN HANG SHI
Physician / non-physician practitioner		 IRRAS USA, Inc. $96.3611/14/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261014176769 CMS
BRIAN T JANKOWITZ
Physician / non-physician practitioner		 IRRAS USA, Inc. $806.7310/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261008453904 CMS
CLINT A BADGER
Physician / non-physician practitioner		 IRRAS USA, Inc. $9.5110/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261012990121 CMS
MAZEN N ZAHER
Physician / non-physician practitioner		 IRRAS USA, Inc. $9.5110/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017433441 CMS
PANAYIOTIS PELARGOS
Physician / non-physician practitioner		 IRRAS USA, Inc. $96.3610/14/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261018347003 CMS
ANIA G POLLACK
Physician / non-physician practitioner		 IRRAS USA, Inc. $93.1810/10/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261007886839 CMS
BRITTANY STAARMANN
Physician / non-physician practitioner		 IRRAS USA, Inc. $93.1710/10/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261008492763 CMS
DANIEL GAUDIN
Physician / non-physician practitioner		 IRRAS USA, Inc. $93.1810/10/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261013076115 CMS
GNAN NARENDRA THAKORE
Physician / non-physician practitioner		 IRRAS USA, Inc. $93.1810/10/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261013721109 CMS
KRISTINA HAKER
Physician / non-physician practitioner		 IRRAS USA, Inc. $93.1810/10/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017272077 CMS
SUJIT BHIMIREDDY
Physician / non-physician practitioner		 IRRAS USA, Inc. $93.1810/10/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261021212589 CMS
CLEMENS M SCHIRMER
Physician / non-physician practitioner		 IRRAS USA, Inc. $42.9210/09/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261012927409 CMS
NICHOLAS BRANDMEIR
Physician / non-physician practitioner		 IRRAS USA, Inc. $758.4809/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261018170001 CMS
CHRISTOPHER MICHAEL NICKELE
Physician / non-physician practitioner		 IRRAS USA, Inc. $113.2209/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261012881407 CMS
LON ALEXANDER
Physician / non-physician practitioner		 IRRAS USA, Inc. $39.9609/25/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017293483 CMS
GRACE LAI
Physician / non-physician practitioner		 IRRAS USA, Inc. $66.7709/14/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261013752131 CMS
CHRISTOPHER P KELLNER
Physician / non-physician practitioner		 IRRAS USA, Inc. $706.1609/11/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261012806641 CMS
DANIEL TONETTI
Physician / non-physician practitioner		 IRRAS USA, Inc. $177.0609/11/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261013145151 CMS
HUNALDO JOSE VILLALOBOS
Physician / non-physician practitioner		 IRRAS USA, Inc. $100.5709/11/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261014207241 CMS
MARK D BAIN
Physician / non-physician practitioner		 IRRAS USA, Inc. $31.1009/11/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017339385 CMS
ROBERT THOMAS WICKS
Physician / non-physician practitioner		 IRRAS USA, Inc. $31.1009/11/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261019089571 CMS
JOSEPH SCHAEFER
Physician / non-physician practitioner		 IRRAS USA, Inc. $134.5808/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261015540648 CMS
STEPHANIE N SERVA
Physician / non-physician practitioner		 IRRAS USA, Inc. $165.8308/26/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261021196129 CMS
ASHLEY NICOLE SELNER
Physician / non-physician practitioner		 IRRAS USA, Inc. $21.3908/07/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261007989829 CMS
BABAK JAHROMI
Physician / non-physician practitioner		 IRRAS USA, Inc. $186.3608/07/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261008115345 CMS
HANNA ROZA KEMENY
Physician / non-physician practitioner		 IRRAS USA, Inc. $134.0408/07/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261014110239 CMS
LUIS A FERNANDEZ
Physician / non-physician practitioner		 IRRAS USA, Inc. $21.3908/07/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017305913 CMS
MATTHEW B POTTS
Physician / non-physician practitioner		 IRRAS USA, Inc. $21.3908/07/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261017347557 CMS
ADNAN H SIDDIQUI
Physician / non-physician practitioner		 IRRAS USA, Inc. $50.6007/31/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261007046049 CMS
ANDREW P CARLSON
Physician / non-physician practitioner		 IRRAS USA, Inc. $171.9007/31/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261007791405 CMS
BRIAN MATTHEW HOWARD
Physician / non-physician practitioner		 IRRAS USA, Inc. $217.0707/31/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261008353073 CMS
JAN-KARL BURKHARDT
Physician / non-physician practitioner		 IRRAS USA, Inc. $164.9707/31/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261014564979 CMS
ADAM S ARTHUR
Physician / non-physician practitioner		 IRRAS USA, Inc. $152.9407/30/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261006967179 CMS
J MOCCO
Physician / non-physician practitioner		 IRRAS USA, Inc. $152.9407/30/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED		 06/30/20261014313433 CMS

Practitioner overview · all loaded program years

463 providers listed 677 records General Payments

General Payments to practitioners — all loaded program years

  • Category: General Payments
  • Program years: 2019, 2020, 2021, 2022, 2023, 2024, 2025
  • Record count: 677
  • Providers listed: 463

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

Coverage: program years 2019–2025, General Payments only, reported to physicians and non-physician practitioners. Payments to teaching hospitals are not included in these practitioner figures. Each figure is labeled with its category and program year; categories are never combined.

Practitioner payments by program year

Program yearReportedRecordsProvidersDetail
PY2019 $57,785.11 79 78 This company in PY2019 →
PY2020 $2,372.26 66 66 This company in PY2020 →
PY2021 $14,194.72 105 105 This company in PY2021 →
PY2022 $7,338.95 92 89 This company in PY2022 →
PY2023 $12,757.83 115 115 This company in PY2023 →
PY2024 $15,074.34 114 113 This company in PY2024 →
PY2025 $105,413.80 106 11 This company in PY2025 →

By recipient specialty (39)

Sorted by name; identical names by identifier.

Allopathic & Osteopathic Physicians 28 specialties 374 providers
Dental Providers 1 specialty 1 providers
Nursing Service Providers 1 specialty 1 providers
Physician Assistants & Advanced Practice Nursing Providers 9 specialties 61 providers

Providers listed (463)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
AARON P DANISON Allopathic & Osteopathic Physicians|Neurological Surgery NC 2
ABBEY NEBELSKI Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant WV 1
ADAM BROWN Allopathic & Osteopathic Physicians|Neurological Surgery NC 1
ADAM S ARTHUR Allopathic & Osteopathic Physicians|Neurological Surgery TN 1
ADNAN H SIDDIQUI Allopathic & Osteopathic Physicians|Neurological Surgery NY 7
ADRIAN T HARVEY Allopathic & Osteopathic Physicians|Neurological Surgery TX 1
AFSANEH FARAMARZI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family OK 1
AFSHIN SALEHI Allopathic & Osteopathic Physicians|Neurological Surgery MO 1
AHMAD KHALDI Allopathic & Osteopathic Physicians|Neurological Surgery GA 1
AHMED I KASHKOUSH Allopathic & Osteopathic Physicians|Neurological Surgery OH 1
AHMED JORGE Allopathic & Osteopathic Physicians|Neurological Surgery OH 1
AHMED MOHYELDIN Allopathic & Osteopathic Physicians|Neurological Surgery CA 2
AHMED R SHAKIR Allopathic & Osteopathic Physicians|Neurological Surgery TX 1
AJAY BINDAL — TX 1
AJAY PATEL Allopathic & Osteopathic Physicians|Neurological Surgery IN 1
AKINWUNMI O A ONI-ORISAN Allopathic & Osteopathic Physicians|Neurological Surgery CA 1
AKSHAY M SHARMA Allopathic & Osteopathic Physicians|Neurological Surgery PA 1
ALAN J VELANDER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurocritical Care LA 1
ALEEM UDDIN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical FL 1
ALEX N HOANG Allopathic & Osteopathic Physicians|Neurological Surgery TX 1
ALEXANDER M PAPANASTASSIOU Allopathic & Osteopathic Physicians|Neurological Surgery TX 2
ALEXANDRA PAUL — NY 2
ALEXIS CARROLL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant IL 1
ALI HAIDER Allopathic & Osteopathic Physicians|Internal Medicine|Interventional Cardiology NY 1
ALI MALEK Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL 1
ALI SEIFI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurocritical Care TX 1
ALIM MIRZA LADHA Allopathic & Osteopathic Physicians|Neurological Surgery TX 1
ALISA MARIE SABIN Allopathic & Osteopathic Physicians|Family Medicine CA 1
AMANDA K GALLAGHER Dental Providers|Dentist|Orthodontics and Dentofacial Orthopedics MA 1
AMANDA LEE FARMER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NC 2
AMANDIP SINGH GILL Allopathic & Osteopathic Physicians|Neurological Surgery CA 1
AMBER GORDON Allopathic & Osteopathic Physicians|Neurological Surgery AL 1
AMBER T SALEEMI Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant WI 1
AMEER E HASSAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Vascular Neurology TX 1
AMON ZAKERI Allopathic & Osteopathic Physicians|Neurological Surgery TX 1
AMRIKA MAHARAJ Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant FL 1
AMY E CROFT Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical NC 1
ANASTASIOS GEORGE ROUMELIOTIS Allopathic & Osteopathic Physicians|Neurological Surgery IL 1
ANDERSON WILEY WILLIAMSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NC 1
ANDREW B SHAW Allopathic & Osteopathic Physicians|Neurological Surgery FL 1
ANDREW BAUERSCHMIDT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY 2
ANDREW CANNESTRA Allopathic & Osteopathic Physicians|Neurological Surgery FL 1
ANDREW L MIDDLETON Allopathic & Osteopathic Physicians|Neurological Surgery GA 1
ANDREW M NAIDECH Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurocritical Care IL 1
ANDREW P CARLSON Allopathic & Osteopathic Physicians|Neurological Surgery VA 3
ANDREW W SHETKA Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MN 1
ANDREY A VOLKOV Allopathic & Osteopathic Physicians|Neurological Surgery MI 1
ANGELA L NEVILLE Allopathic & Osteopathic Physicians|Surgery|Surgical Critical Care CA 1
ANIA G POLLACK Allopathic & Osteopathic Physicians|Neurological Surgery OH 1
ANNA M D'AMICO Allopathic & Osteopathic Physicians|Urology KY 1