GRT US Holding, 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
9 matching records · $28,545.74 reported total · 0 disputed
Nature of payment: All payment types
Records imported here (UTC).
Download all 9 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 1–9 of 9.
| Recipient | Paying entity | Amount | Date | Nature of payment | Dispute status | Publication flags | Published | Record ID | Source |
|---|---|---|---|---|---|---|---|---|---|
| KENNETH R ZASLAV Physician / non-physician practitioner | GRT US Holding, Inc. | $2,250.00 | 12/19/2023 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246087 | CMS |
| KENNETH G SAAG Physician / non-physician practitioner | GRT US Holding, Inc. | $757.50 | 12/04/2023 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246071 | CMS |
| MAGED N GUIRGUIS Physician / non-physician practitioner | GRT US Holding, Inc. | $352.73 | 05/31/2023 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246009 | CMS |
| MAGED N GUIRGUIS Physician / non-physician practitioner | GRT US Holding, Inc. | $32.00 | 05/31/2023 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246025 | CMS |
| MAGED N GUIRGUIS Physician / non-physician practitioner | GRT US Holding, Inc. | $189.69 | 05/31/2023 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246035 | CMS |
| MAGED N GUIRGUIS Physician / non-physician practitioner | GRT US Holding, Inc. | $12,835.32 | 05/31/2023 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246043 | CMS |
| MAGED N GUIRGUIS Physician / non-physician practitioner | GRT US Holding, Inc. | $9,728.50 | 05/31/2023 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246051 | CMS |
| ALAN J KIVITZ Physician / non-physician practitioner | GRT US Holding, Inc. | $600.00 | 01/05/2023 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246061 | CMS |
| DAVID SIMPSON Physician / non-physician practitioner | GRT US Holding, Inc. | $1,800.00 | 01/04/2023 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1054246079 | CMS |
Practitioner overview · all loaded program years
10,196 providers listed 26,665 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: 26,665
- Providers listed: 10,196
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 year | Reported | Records | Providers | Detail |
|---|---|---|---|---|
| PY2019 | $171,258.32 | 309 | 138 | This company in PY2019 → |
| PY2020 | $136,312.72 | 1,120 | 766 | This company in PY2020 → |
| PY2021 | $753,299.42 | 7,789 | 4,201 | This company in PY2021 → |
| PY2022 | $2,463,041.25 | 17,404 | 7,282 | This company in PY2022 → |
| PY2023 | $28,545.74 | 9 | 5 | This company in PY2023 → |
| PY2024 | $32,367.03 | 15 | 7 | This company in PY2024 → |
| PY2025 | $22,172.96 | 19 | 16 | This company in PY2025 → |
By recipient specialty (155)
Sorted by name; identical names by identifier.
Allopathic & Osteopathic Physicians 109 specialties 4,660 providers
- Allergy & Immunology 4
- Anesthesiology 294
- Anesthesiology · Addiction Medicine 5
- Anesthesiology · Critical Care Medicine 1
- Anesthesiology · Pain Medicine 675
- Anesthesiology · Pediatric Anesthesiology 2
- Colon & Rectal Surgery 1
- Dermatology 3
- Dermatology · MOHS-Micrographic Surgery 3
- Emergency Medicine 26
- Emergency Medicine · Emergency Medical Services 1
- Emergency Medicine · Hospice and Palliative Medicine 2
- Family Medicine 364
- Family Medicine · Addiction Medicine 5
- Family Medicine · Adult Medicine 5
- Family Medicine · Geriatric Medicine 5
- Family Medicine · Hospice and Palliative Medicine 2
- Family Medicine · Obesity Medicine 2
- Family Medicine · Sleep Medicine 1
- Family Medicine · Sports Medicine 12
- General Practice 35
- Hospitalist 8
- Integrative Medicine 1
- Internal Medicine 315
- Internal Medicine · Addiction Medicine 3
- Internal Medicine · Adolescent Medicine 1
- Internal Medicine · Advanced Heart Failure and Transplant Cardiology 2
- Internal Medicine · Allergy & Immunology 1
- Internal Medicine · Cardiovascular Disease 11
- Internal Medicine · Critical Care Medicine 1
- Internal Medicine · Endocrinology, Diabetes & Metabolism 455
- Internal Medicine · Gastroenterology 7
- Internal Medicine · Geriatric Medicine 4
- Internal Medicine · Hematology & Oncology 10
- Internal Medicine · Hospice and Palliative Medicine 5
- Internal Medicine · Infectious Disease 17
- Internal Medicine · Interventional Cardiology 2
- Internal Medicine · Medical Oncology 3
- Internal Medicine · Nephrology 19
- Internal Medicine · Pulmonary Disease 11
- Internal Medicine · Rheumatology 51
- Internal Medicine · Sleep Medicine 1
- Neurological Surgery 29
- Neuromusculoskeletal Medicine & OMM 7
- Neuromusculoskeletal Medicine, Sports Medicine 3
- Nuclear Medicine 1
- Obstetrics & Gynecology 13
- Obstetrics & Gynecology · Gynecologic Oncology 1
- Obstetrics & Gynecology · Gynecology 4
- Obstetrics & Gynecology · Maternal & Fetal Medicine 1
- Ophthalmology 4
- Ophthalmology · Neuro-ophthalmology 2
- Ophthalmology · Retina Specialist 1
- Oral & Maxillofacial Surgery 1
- Orthopaedic Surgery 41
- Orthopaedic Surgery · Adult Reconstructive Orthopaedic Surgery 1
- Orthopaedic Surgery · Foot and Ankle Surgery 4
- Orthopaedic Surgery · Hand Surgery 5
- Orthopaedic Surgery · Orthopaedic Surgery of the Spine 7
- Orthopaedic Surgery · Orthopaedic Trauma 1
- Orthopaedic Surgery · Pediatric Orthopaedic Surgery 1
- Orthopaedic Surgery · Sports Medicine 3
- Otolaryngology 5
- Otolaryngology · Otolaryngology/Facial Plastic Surgery 1
- Pain Medicine · Interventional Pain Medicine 599
- Pain Medicine · Pain Medicine 213
- Pediatrics 19
- Pediatrics · Adolescent Medicine 1
- Pediatrics · Pediatric Emergency Medicine 1
- Pediatrics · Pediatric Endocrinology 6
- Physical Medicine & Rehabilitation 358
- Physical Medicine & Rehabilitation · Brain Injury Medicine 2
- Physical Medicine & Rehabilitation · Neuromuscular Medicine 2
- Physical Medicine & Rehabilitation · Pain Medicine 211
- Physical Medicine & Rehabilitation · Pediatric Rehabilitation Medicine 1
- Physical Medicine & Rehabilitation · Spinal Cord Injury Medicine 2
- Physical Medicine & Rehabilitation · Sports Medicine 3
- Plastic Surgery 1
- Preventive Medicine · Addiction Medicine 6
- Preventive Medicine · Occupational Medicine 2
- Preventive Medicine · Preventive Medicine/Occupational Environmental Medicine 1
- Preventive Medicine · Public Health & General Preventive Medicine 3
- Psychiatry & Neurology · Addiction Medicine 4
- Psychiatry & Neurology · Addiction Psychiatry 2
- Psychiatry & Neurology · Behavioral Neurology & Neuropsychiatry 2
- Psychiatry & Neurology · Child & Adolescent Psychiatry 1
- Psychiatry & Neurology · Clinical Neurophysiology 13
- Psychiatry & Neurology · Diagnostic Neuroimaging 2
- Psychiatry & Neurology · Epilepsy 3
- Psychiatry & Neurology · Geriatric Psychiatry 2
- Psychiatry & Neurology · Neurocritical Care 1
- Psychiatry & Neurology · Neurology 565
- Psychiatry & Neurology · Neurology with Special Qualifications in Child Neurology 11
- Psychiatry & Neurology · Neuromuscular Medicine 5
- Psychiatry & Neurology · Pain Medicine 21
- Psychiatry & Neurology · Psychiatry 29
- Psychiatry & Neurology · Sleep Medicine 6
- Psychiatry & Neurology · Vascular Neurology 7
- Radiology · Diagnostic Radiology 6
- Radiology · Radiation Oncology 2
- Radiology · Vascular & Interventional Radiology 3
- Surgery 18
- Surgery · Plastic and Reconstructive Surgery 3
- Surgery · Surgery of the Hand 1
- Surgery · Surgical Critical Care 1
- Surgery · Vascular Surgery 4
- Thoracic Surgery (Cardiothoracic Vascular Surgery) 1
- Urology 3
- Urology · Urogynecology and Reconstructive Pelvic Surgery 1
Chiropractic Providers 4 specialties 47 providers
Dental Providers 3 specialties 8 providers
Eye and Vision Services Providers 1 specialty 1 providers
Nursing Service Providers 4 specialties 10 providers
Physician Assistants & Advanced Practice Nursing Providers 29 specialties 3,685 providers
- Advanced Practice Midwife 2
- Anesthesiologist Assistant 1
- Clinical Nurse Specialist 5
- Clinical Nurse Specialist · Adult Health 8
- Clinical Nurse Specialist · Community Health/Public Health 2
- Clinical Nurse Specialist · Critical Care Medicine 1
- Clinical Nurse Specialist · Family Health 1
- Clinical Nurse Specialist · Gerontology 3
- Clinical Nurse Specialist · Home Health 1
- Clinical Nurse Specialist · Pediatrics 1
- Clinical Nurse Specialist · Psychiatric/Mental Health, Adult 1
- Clinical Nurse Specialist · Women's Health 1
- Nurse Anesthetist, Certified Registered 70
- Nurse Practitioner 646
- Nurse Practitioner · Acute Care 81
- Nurse Practitioner · Adult Health 204
- Nurse Practitioner · Community Health 2
- Nurse Practitioner · Critical Care Medicine 2
- Nurse Practitioner · Family 1,357
- Nurse Practitioner · Gerontology 46
- Nurse Practitioner · Neonatal 1
- Nurse Practitioner · Occupational Health 1
- Nurse Practitioner · Pediatrics 7
- Nurse Practitioner · Primary Care 49
- Nurse Practitioner · Psychiatric/Mental Health 40
- Nurse Practitioner · Women's Health 7
- Physician Assistant 786
- Physician Assistant · Medical 290
- Physician Assistant · Surgical 69
Podiatric Medicine & Surgery Service Providers 5 specialties 1,682 providers
Providers listed (10,196)
Sorted by name; identical names by identifier.
| Provider | Specialty | State | Records reported by this company |
|---|---|---|---|
| AAMR ARIF HEREKAR | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | TX | 3 |
| AARON CURRY | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | KS | 1 |
| AARON DOUGLAS NELSON | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | IN | 2 |
| AARON DOUGLAS WILLIAMS | Chiropractic Providers|Chiropractor | CO | 1 |
| AARON FARROW | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | OK | 2 |
| AARON FRIEDMAN | — | LA | 2 |
| AARON G ELLISON | Allopathic & Osteopathic Physicians|Family Medicine|Sports Medicine | NC | 1 |
| AARON HANYU-DEUTMEYER | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation|Pain Medicine | LA | 3 |
| AARON L TRAVIS | Allopathic & Osteopathic Physicians|Internal Medicine | MO | 2 |
| AARON MCPEEK | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | MD | 1 |
| AARON MICHAEL CARTER | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | NC | 1 |
| AARON PATRICK NOLES | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | FL | 2 |
| AARON TABIEROS SEMANA | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CA | 2 |
| AARON THOMAS LLOYD | Allopathic & Osteopathic Physicians|Pain Medicine|Interventional Pain Medicine | TX | 1 |
| AARON WAYNE SABLE | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation | MI | 2 |
| AARTHI BAWA | Podiatric Medicine & Surgery Service Providers|Podiatrist|Foot & Ankle Surgery | MI | 2 |
| AARTHI RAM | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | TX | 1 |
| AASHISH JAY KUMAR | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | NC | 4 |
| ABBEY AAROE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CO | 2 |
| ABBEY L FRITSCHLER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | CO | 1 |
| ABBEY LOUISE COLLIER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | OK | 1 |
| ABBY YOCHIM | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | PA | 3 |
| ABDEL H ELHOUSHY | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | FL | 1 |
| ABDUL GHANI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 1 |
| ABDUL LATIF NURUDEEN | Podiatric Medicine & Surgery Service Providers|Podiatrist|Foot & Ankle Surgery | TX | 1 |
| ABDUL M ORRA | Allopathic & Osteopathic Physicians|Family Medicine | OH | 1 |
| ABDUL QADIR | — | NJ | 1 |
| ABDUL S SOUDAN | Allopathic & Osteopathic Physicians|Pain Medicine|Interventional Pain Medicine | MD | 3 |
| ABDULLAH TOLAYMAT | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | IN | 1 |
| ABDULMUNAIM MAHMOUD EID | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | MO | 1 |
| ABE G OSBOURNE | Podiatric Medicine & Surgery Service Providers|Podiatrist | OH | 8 |
| ABEL MURILLO | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | FL | 1 |
| ABHIJEET RASTOGI | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | NJ | 6 |
| ABHISHEK K GUPTA | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | NY | 3 |
| ABHISHEK REDDY | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation | IN | 2 |
| ABIDA MAKHDUMI | Allopathic & Osteopathic Physicians|Anesthesiology | OH | 1 |
| ABIGAIL KOEHLER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care | CO | 1 |
| ABIGAIL KRISTIN BRELAND | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | LA | 1 |
| ABIGAIL WALSER TERKELTOUB | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | NC | 1 |
| ABOORVA KAMBILIAMPATTI SUDHAKAR | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MS | 2 |
| ABOSEDE OLATOYOSI ADEOSHUN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 1 |
| ABRAHAM A CHERRICK | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation | VA | 4 |
| ABRAHAM ABDEMUR | — | FL | 1 |
| ABRAHAM C YALE | Podiatric Medicine & Surgery Service Providers|Podiatrist|Foot & Ankle Surgery | CT | 1 |
| ABRAHAM J GREENBERG | Podiatric Medicine & Surgery Service Providers|Podiatrist | WA | 1 |
| ABRAHAM JOHN KABAZIE | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | PA | 1 |
| ABRAHAM RIVERA | Allopathic & Osteopathic Physicians|Pain Medicine|Pain Medicine | FL | 2 |
| ABRAM HANS BURGHER | Allopathic & Osteopathic Physicians|Pain Medicine|Interventional Pain Medicine | AZ | 2 |
| ACHRAF ALI MAKKI | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry | FL | 1 |
| ADA ROSE EDWARDS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CA | 1 |