GW Research Limited
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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 · PY2021
Date, newest first, then reporting company; values as published by CMS.
General Payments · PY2021 · All recipient types · CMS publication 2026-06-30
51 matching records · $345,189.84 reported total · 0 disputed
Nature of payment: All payment types
Records imported here (UTC).
Download all 51 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 51.
| Recipient | Paying entity | Amount | Date | Nature of payment | Dispute status | Publication flags | Published | Record ID | Source |
|---|---|---|---|---|---|---|---|---|---|
| LON S SCHNEIDER Physician / non-physician practitioner | GW Research Limited | $1,661.30 | 12/16/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843761 | CMS |
| Usc Norris Cancer Hospital Teaching hospital | GW Research Limited | $15,000.00 | 12/16/2021 | Space rental or facility fees (teaching hospital only) | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841848077 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 12/07/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840605 | CMS |
| CONSTANTINE G LYKETSOS Physician / non-physician practitioner | GW Research Limited | $673.50 | 12/07/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843731 | CMS |
| CONSTANTINE G LYKETSOS Physician / non-physician practitioner | GW Research Limited | $898.00 | 12/07/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843735 | CMS |
| CONSTANTINE G LYKETSOS Physician / non-physician practitioner | GW Research Limited | $561.25 | 12/07/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843737 | CMS |
| CONSTANTINE G LYKETSOS Physician / non-physician practitioner | GW Research Limited | $1,122.50 | 12/07/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843741 | CMS |
| PAUL B WATKINS Physician / non-physician practitioner | GW Research Limited | $3,900.00 | 11/11/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841839629 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $12,583.33 | 11/11/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841565 | CMS |
| JACQUELINE A FRENCH Physician / non-physician practitioner | GW Research Limited | $500.00 | 11/05/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841834603 | CMS |
| DENNIS DLUGOS Physician / non-physician practitioner | GW Research Limited | $500.00 | 11/05/2021 | Consulting Fee | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 841841273 | CMS |
| DENNIS DLUGOS Physician / non-physician practitioner | GW Research Limited | $1,000.00 | 11/05/2021 | Consulting Fee | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 841841277 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 11/02/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840601 | CMS |
| LON S SCHNEIDER Physician / non-physician practitioner | GW Research Limited | $561.25 | 11/02/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843749 | CMS |
| LON S SCHNEIDER Physician / non-physician practitioner | GW Research Limited | $1,234.75 | 11/02/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843753 | CMS |
| LON S SCHNEIDER Physician / non-physician practitioner | GW Research Limited | $2,694.00 | 11/02/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843757 | CMS |
| ROY FREEMAN Physician / non-physician practitioner | GW Research Limited | $51,600.00 | 11/02/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841847877 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $12,625.00 | 10/14/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841561 | CMS |
| AJAY D WASAN Physician / non-physician practitioner | GW Research Limited | $1,347.00 | 10/11/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841838959 | CMS |
| AJAY D WASAN Physician / non-physician practitioner | GW Research Limited | $3,592.00 | 10/11/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841838963 | CMS |
| AJAY D WASAN Physician / non-physician practitioner | GW Research Limited | $2,694.00 | 10/11/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841838967 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 09/27/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840597 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $8,333.33 | 09/21/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841557 | CMS |
| KEVIN P HILL Physician / non-physician practitioner | GW Research Limited | $4,015.00 | 09/13/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841838971 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 09/01/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840595 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 08/24/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840591 | CMS |
| ETHAN BUDD RUSSO Physician / non-physician practitioner | GW Research Limited | $2,535.50 | 08/24/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840890 | CMS |
| MARK WALLACE Physician / non-physician practitioner | GW Research Limited | $2,799.50 | 08/24/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841842567 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $10,500.00 | 08/20/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841555 | CMS |
| ROY FREEMAN Physician / non-physician practitioner | GW Research Limited | $950.00 | 08/18/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841847881 | CMS |
| DONALD I ABRAMS Physician / non-physician practitioner | GW Research Limited | $1,104.00 | 08/10/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841843745 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $22,541.67 | 07/22/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841551 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $14,916.67 | 07/21/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841547 | CMS |
| THOMAS PETER LAUGHREN Physician / non-physician practitioner | GW Research Limited | $500.00 | 07/20/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841839123 | CMS |
| THOMAS PETER LAUGHREN Physician / non-physician practitioner | GW Research Limited | $1,500.00 | 07/20/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841839128 | CMS |
| THOMAS PETER LAUGHREN Physician / non-physician practitioner | GW Research Limited | $500.00 | 07/20/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841839132 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 07/20/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840587 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 06/21/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840583 | CMS |
| STEVEN C KIRSHBLUM Physician / non-physician practitioner | GW Research Limited | $788.00 | 06/17/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841848073 | CMS |
| ERIC KOSSOFF Physician / non-physician practitioner | GW Research Limited | $1,750.00 | 06/04/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841829997 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $24,291.67 | 05/14/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841543 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 05/11/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840581 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 05/05/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840577 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $21,333.33 | 04/22/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841539 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $20,708.33 | 03/19/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841536 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 03/09/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840573 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $26,500.00 | 02/19/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841533 | CMS |
| JOHN MCPARTLAND Physician / non-physician practitioner | GW Research Limited | $3,333.33 | 02/02/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841840569 | CMS |
| DENNIS DLUGOS Physician / non-physician practitioner | GW Research Limited | $2,750.00 | 01/14/2021 | Consulting Fee | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 841841281 | CMS |
| GREGORY BURKHART Physician / non-physician practitioner | GW Research Limited | $22,125.00 | 01/14/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841841529 | CMS |
Practitioner overview · all loaded program years
31 providers listed 191 records General Payments
General Payments to practitioners — all loaded program years
- Category: General Payments
- Program years: 2019, 2020, 2021
- Record count: 191
- Providers listed: 31
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 | $403,499.87 | 133 | 17 | This company in PY2019 → |
| PY2020 | $58,400.00 | 8 | 3 | This company in PY2020 → |
| PY2021 | $330,189.84 | 50 | 16 | This company in PY2021 → |
By recipient specialty (15)
Sorted by name; identical names by identifier.
Allopathic & Osteopathic Physicians 15 specialties 31 providers
- Anesthesiology · Pain Medicine 1
- Family Medicine 1
- Internal Medicine · Gastroenterology 1
- Internal Medicine · Medical Oncology 1
- Internal Medicine · Pulmonary Disease 1
- Pediatrics · Neonatal-Perinatal Medicine 1
- Physical Medicine & Rehabilitation 1
- Preventive Medicine · Public Health & General Preventive Medicine 1
- Psychiatry & Neurology · Addiction Psychiatry 1
- Psychiatry & Neurology · Epilepsy 1
- Psychiatry & Neurology · Neurodevelopmental Disabilities 1
- Psychiatry & Neurology · Neurology 5
- Psychiatry & Neurology · Neurology with Special Qualifications in Child Neurology 11
- Psychiatry & Neurology · Pain Medicine 1
- Psychiatry & Neurology · Psychiatry 3
Providers listed (31)
Sorted by name; identical names by identifier.
| Provider | Specialty | State | Records reported by this company |
|---|---|---|---|
| AJAY D WASAN | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Pain Medicine | PA | 3 |
| ALAN K PERCY | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | AL | 6 |
| CONSTANCE L SMITH HICKS | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | MD | 6 |
| CONSTANTINE G LYKETSOS | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry | MD | 4 |
| DARCY A KRUEGER | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | OH | 4 |
| DAVID N LIEBERMAN | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | MA | 7 |
| DENNIS DLUGOS | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | PA | 3 |
| DONALD I ABRAMS | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | CA | 1 |
| ELIZABETH ANNE THIELE | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | MA | 6 |
| ERIC DAVID MARSH | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | PA | 7 |
| ERIC KOSSOFF | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | MD | 1 |
| ETHAN BUDD RUSSO | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | WA | 1 |
| GREGORY BURKHART | Allopathic & Osteopathic Physicians|Preventive Medicine|Public Health & General Preventive Medicine | VA | 23 |
| JACQUELINE A FRENCH | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | NY | 1 |
| JEFFREY L NEUL | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | TN | 29 |
| JOHN MCPARTLAND | Allopathic & Osteopathic Physicians|Family Medicine | VT | 25 |
| KEVIN P HILL | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Addiction Psychiatry | MA | 1 |
| LON S SCHNEIDER | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry | CA | 4 |
| MARK WALLACE | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | CA | 1 |
| PAUL B WATKINS | Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology | NC | 2 |
| PETER T HEYDEMANN | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | IL | 6 |
| RICHARD H HAAS | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | CA | 6 |
| ROBIN C RYTHER | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Epilepsy | MO | 6 |
| ROY FREEMAN | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | MA | 2 |
| SHANNON M STANDRIDGE | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | OH | 7 |
| STEVEN C KIRSHBLUM | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation | NJ | 1 |
| THOMAS EDWARD YOUNG | Allopathic & Osteopathic Physicians|Pediatrics|Neonatal-Perinatal Medicine | NC | 14 |
| THOMAS PETER LAUGHREN | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry | MD | 3 |
| TIMOTHY F CLOUGHESY | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | CA | 1 |
| TRAN BETTY THAI TRAN | Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease | IL | 7 |
| WALTER E KAUFMANN | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurodevelopmental Disabilities | MD | 3 |