RIWOspine, 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 · PY2025
Date, newest first, then reporting company; values as published by CMS.
General Payments · PY2025 · All recipient types · CMS publication 2026-06-30
23 matching records · $22,525.94 reported total · 0 disputed
Nature of payment: All payment types
Records imported here (UTC).
Download all 23 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 1–23 of 23.
| Recipient | Paying entity | Amount | Date | Nature of payment | Dispute status | Publication flags | Published | Record ID | Source |
|---|---|---|---|---|---|---|---|---|---|
| RONAK K DESAI Physician / non-physician practitioner | RIWOspine, Inc. | $78.63 | 12/13/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519986 | CMS |
| RONAK K DESAI Physician / non-physician practitioner | RIWOspine, Inc. | $730.13 | 12/12/2025 | Travel and Lodging | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1222320180 | CMS |
| RAMIN AMIRNOVIN Physician / non-physician practitioner | RIWOspine, Inc. | $910.95 | 12/12/2025 | Travel and Lodging | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1222322624 | CMS |
| PETER C SHIN Physician / non-physician practitioner | RIWOspine, Inc. | $1,800.00 | 12/04/2025 | Education | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1245122681 | CMS |
| DOUGLAS A LINVILLE Physician / non-physician practitioner | RIWOspine, Inc. | $1,690.75 | 11/14/2025 | Travel and Lodging | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1222303803 | CMS |
| ANTHONY RICKERT MORK Physician / non-physician practitioner | RIWOspine, Inc. | $93.25 | 11/04/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519942 | CMS |
| University of WI Hospitals & Clinics Teaching hospital | RIWOspine, Inc. | $10,000.00 | 10/23/2025 | Grant | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1244964132 | CMS |
| WINWARD CHOY Physician / non-physician practitioner | RIWOspine, Inc. | $87.35 | 09/30/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519957 | CMS |
| TYLER BALL Physician / non-physician practitioner | RIWOspine, Inc. | $216.28 | 09/19/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519946 | CMS |
| KENNETH NWOSU Physician / non-physician practitioner | RIWOspine, Inc. | $194.46 | 09/16/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519984 | CMS |
| KEVIN TED HUANG Physician / non-physician practitioner | RIWOspine, Inc. | $3,955.31 | 09/14/2025 | Travel and Lodging | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519988 | CMS |
| JASON L PITTMAN Physician / non-physician practitioner | RIWOspine, Inc. | $28.44 | 09/05/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519985 | CMS |
| ANDREW K SIMPSON Physician / non-physician practitioner | RIWOspine, Inc. | $173.47 | 09/03/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519935 | CMS |
| PETER C SHIN Physician / non-physician practitioner | RIWOspine, Inc. | $900.00 | 08/29/2025 | Education | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519987 | CMS |
| JOSHUA D HUGHES Physician / non-physician practitioner | RIWOspine, Inc. | $96.56 | 07/29/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519965 | CMS |
| NATHANIEL BROOKS Physician / non-physician practitioner | RIWOspine, Inc. | $64.97 | 05/13/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519951 | CMS |
| CATALINO D DUREZA Physician / non-physician practitioner | RIWOspine, Inc. | $60.61 | 05/02/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519959 | CMS |
| BRANDON PAUL HIRSCH Physician / non-physician practitioner | RIWOspine, Inc. | $129.37 | 04/21/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519962 | CMS |
| ANTHONY RICKERT MORK Physician / non-physician practitioner | RIWOspine, Inc. | $75.00 | 04/07/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519941 | CMS |
| KARTIK KESAVABHOTLA Physician / non-physician practitioner | RIWOspine, Inc. | $143.30 | 03/24/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220519937 | CMS |
| ANDREW K SIMPSON Physician / non-physician practitioner | RIWOspine, Inc. | $52.92 | 03/19/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220453390 | CMS |
| PETER C SHIN Physician / non-physician practitioner | RIWOspine, Inc. | $900.00 | 02/21/2025 | Education | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1222333802 | CMS |
| ANDREW K SIMPSON Physician / non-physician practitioner | RIWOspine, Inc. | $144.19 | 02/13/2025 | Food and Beverage | No dispute reported | Delay: No Change: NEW | 06/30/2026 | 1220320472 | CMS |
Practitioner overview · all loaded program years
51 providers listed 144 records General Payments
General Payments to practitioners — all loaded program years
- Category: General Payments
- Program years: 2022, 2023, 2024, 2025
- Record count: 144
- Providers listed: 51
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 |
|---|---|---|---|---|
| PY2022 | $33,314.55 | 22 | 11 | This company in PY2022 → |
| PY2023 | $23,214.72 | 38 | 20 | This company in PY2023 → |
| PY2024 | $20,790.13 | 62 | 22 | This company in PY2024 → |
| PY2025 | $12,525.94 | 22 | 16 | This company in PY2025 → |
By recipient specialty (10)
Sorted by name; identical names by identifier.
Allopathic & Osteopathic Physicians 10 specialties 51 providers
- Anesthesiology 1
- Anesthesiology · Pain Medicine 3
- Emergency Medicine 1
- Neurological Surgery 18
- Orthopaedic Surgery 11
- Orthopaedic Surgery · Orthopaedic Surgery of the Spine 9
- Pain Medicine · Interventional Pain Medicine 2
- Physical Medicine & Rehabilitation 2
- Physical Medicine & Rehabilitation · Pain Medicine 3
- Radiology · Vascular & Interventional Radiology 1
Providers listed (51)
Sorted by name; identical names by identifier.
| Provider | Specialty | State | Records reported by this company |
|---|---|---|---|
| AARON T AREL | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation|Pain Medicine | CA | 2 |
| ADEDAYO O ASHANA | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | NC | 9 |
| AKASH ATUL SHAH | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | CA | 5 |
| AMIT RASIKBHAI PATEL | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | PA | 1 |
| ANDREW K SIMPSON | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | MA | 16 |
| ANTHONY RICKERT MORK | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | CA | 3 |
| ARMANDO A VILLARREAL | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | NY | 1 |
| BENNJAMIN D FRONK | Allopathic & Osteopathic Physicians|Pain Medicine|Interventional Pain Medicine | TX | 1 |
| BONG-SOO KIM | Allopathic & Osteopathic Physicians|Neurological Surgery | PA | 2 |
| BRADLEY SCHMIDT | Allopathic & Osteopathic Physicians|Neurological Surgery | WI | 1 |
| BRANDON PAUL HIRSCH | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | CA | 1 |
| BRENDAN M STRIANO | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | MA | 4 |
| CATALINO D DUREZA | Allopathic & Osteopathic Physicians|Neurological Surgery | CA | 1 |
| CHARLES R WILLIAMS | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | CA | 1 |
| DANIEL J BURKETT | Allopathic & Osteopathic Physicians|Neurological Surgery | WI | 1 |
| DAVID M WITHAM | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | AK | 1 |
| DOUGLAS A LINVILLE | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | GA | 8 |
| EARL CHRISTOPHER TROUP | Allopathic & Osteopathic Physicians|Neurological Surgery | SC | 2 |
| FREDERICK FISHER | Allopathic & Osteopathic Physicians|Anesthesiology|Pain Medicine | SD | 1 |
| GEORGE RAPPARD | Allopathic & Osteopathic Physicians|Radiology|Vascular & Interventional Radiology | CA | 3 |
| GURTEJ SINGH | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation | MD | 1 |
| JANG WON YOON | Allopathic & Osteopathic Physicians|Neurological Surgery | CA | 21 |
| JASON L PITTMAN | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | MA | 1 |
| JOSHUA D HUGHES | Allopathic & Osteopathic Physicians|Neurological Surgery | CO | 1 |
| JUSTIN B LEDESMA | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | CO | 5 |
| KAI-UWE LEWANDROWSKI | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | AZ | 1 |
| KARTIK KESAVABHOTLA | Allopathic & Osteopathic Physicians|Neurological Surgery | WI | 1 |
| KENNETH NWOSU | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | CA | 4 |
| KEVIN TED HUANG | Allopathic & Osteopathic Physicians|Neurological Surgery | MA | 1 |
| MARK A MAHAN | Allopathic & Osteopathic Physicians|Neurological Surgery | UT | 2 |
| MARK CHRISTOPHER LAWLOR | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | MA | 4 |
| MIHNEA DUMITRESCU | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation|Pain Medicine | TX | 3 |
| NAJIB EL TECLE | Allopathic & Osteopathic Physicians|Neurological Surgery | IL | 1 |
| NATHANIEL BROOKS | Allopathic & Osteopathic Physicians|Neurological Surgery | WI | 1 |
| OLAIDE AJAYI | Allopathic & Osteopathic Physicians|Neurological Surgery | TX | 2 |
| PANKAJ MEHTA | Allopathic & Osteopathic Physicians|Pain Medicine|Interventional Pain Medicine | TX | 1 |
| PETER C SHIN | Allopathic & Osteopathic Physicians|Neurological Surgery | NM | 8 |
| RAM K ALLURI | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | CA | 1 |
| RAMIN AMIRNOVIN | Allopathic & Osteopathic Physicians|Neurological Surgery | CA | 1 |
| REMI M AJIBOYE | Allopathic & Osteopathic Physicians|Orthopaedic Surgery | CA | 1 |
| RONAK K DESAI | Allopathic & Osteopathic Physicians|Anesthesiology | TX | 2 |
| RONALD LAKATOS | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | PA | 1 |
| SANDEEP GIDVANI | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | CA | 2 |
| SCOTT ADELMAN | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation | UT | 3 |
| STEWART M KERR | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | AK | 4 |
| TODD P ALAMIN | Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Orthopaedic Surgery of the Spine | CA | 2 |
| TYLER BALL | Allopathic & Osteopathic Physicians|Neurological Surgery | TN | 1 |
| ULI K CHETTIPALLY | Allopathic & Osteopathic Physicians|Emergency Medicine | CA | 1 |
| WILLIAM E RIVERS | Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation|Pain Medicine | NM | 1 |
| WINWARD CHOY | Allopathic & Osteopathic Physicians|Neurological Surgery | CA | 1 |