Cook Research Incorporated
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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
78 matching records · $404,015.01 reported total · 0 disputed
Nature of payment: All payment types
Records imported here (UTC).
Download all 78 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 78.
| Recipient | Paying entity | Amount | Date | Nature of payment | Dispute status | Publication flags | Published | Record ID | Source |
|---|---|---|---|---|---|---|---|---|---|
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $1,500.00 | 12/21/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949647 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $9,275.00 | 12/21/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949649 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 12/21/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950651 | CMS |
| PAUL E TIMPERMAN Physician / non-physician practitioner | Cook Research Incorporated | $15,149.17 | 12/21/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841962299 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $1,500.00 | 12/20/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949645 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 12/20/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950649 | CMS |
| PAUL E TIMPERMAN Physician / non-physician practitioner | Cook Research Incorporated | $18,329.17 | 12/20/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841962297 | CMS |
| PAUL E TIMPERMAN Physician / non-physician practitioner | Cook Research Incorporated | $16,341.67 | 12/14/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841962295 | CMS |
| ALLY- KHAN SOMANI Physician / non-physician practitioner | Cook Research Incorporated | $4,120.00 | 12/13/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949641 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $2,250.00 | 12/09/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949637 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $9,275.00 | 12/09/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949639 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 12/09/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950645 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $190.00 | 12/09/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950647 | CMS |
| Iu Health Arnett Hospital Teaching hospital | Cook Research Incorporated | $1,600.00 | 11/22/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841961841 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $8,000.00 | 10/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949621 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $750.00 | 10/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949623 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $95.00 | 10/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950641 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 10/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950643 | CMS |
| PAUL E TIMPERMAN Physician / non-physician practitioner | Cook Research Incorporated | $10,600.00 | 10/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841962293 | CMS |
| PAUL E TIMPERMAN Physician / non-physician practitioner | Cook Research Incorporated | $19,035.83 | 10/14/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841962291 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $9,700.00 | 10/12/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949615 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $3,000.00 | 09/23/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949607 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 09/23/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950639 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $4,945.00 | 09/14/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949603 | CMS |
| Indiana University Health Teaching hospital | Cook Research Incorporated | $1,100.00 | 09/14/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841961839 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $7,400.00 | 08/17/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949597 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $1,500.00 | 08/17/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949599 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $95.00 | 08/17/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950635 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 08/17/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950637 | CMS |
| PAUL E TIMPERMAN Physician / non-physician practitioner | Cook Research Incorporated | $11,439.17 | 08/17/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841962289 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $1,500.00 | 08/05/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949591 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 08/05/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950633 | CMS |
| Iu Health Arnett Hospital Teaching hospital | Cook Research Incorporated | $200.00 | 08/02/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841961837 | CMS |
| PAUL E TIMPERMAN Physician / non-physician practitioner | Cook Research Incorporated | $14,398.33 | 07/22/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841962287 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $4,550.00 | 07/13/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949585 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $95.00 | 07/13/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950631 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $8,425.00 | 06/29/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949579 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $3,000.00 | 06/29/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949581 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 06/29/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950629 | CMS |
| Cleveland Clinic Hospital Teaching hospital | Cook Research Incorporated | $600.00 | 06/16/2021 | Space rental or facility fees (teaching hospital only) | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841961675 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $8,425.00 | 06/10/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949575 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $95.00 | 06/10/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950627 | CMS |
| Iu Health Arnett Hospital Teaching hospital | Cook Research Incorporated | $2,600.00 | 06/10/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841961835 | CMS |
| PAUL E TIMPERMAN Physician / non-physician practitioner | Cook Research Incorporated | $19,233.33 | 06/10/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841962285 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $8,425.00 | 05/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949561 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $3,000.00 | 05/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949563 | CMS |
| STANTON M REGAN Physician / non-physician practitioner | Cook Research Incorporated | $400.00 | 05/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949777 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $95.00 | 05/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950623 | CMS |
| VINCENT FLANDERS Physician / non-physician practitioner | Cook Research Incorporated | $100.00 | 05/25/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841950625 | CMS |
| NABEEL R RANA Physician / non-physician practitioner | Cook Research Incorporated | $6,750.00 | 05/04/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 841949557 | CMS |
Practitioner overview · all loaded program years
76 providers listed 670 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: 670
- Providers listed: 76
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 | $619,589.19 | 194 | 36 | This company in PY2019 → |
| PY2020 | $556,292.60 | 158 | 26 | This company in PY2020 → |
| PY2021 | $397,115.01 | 72 | 5 | This company in PY2021 → |
| PY2022 | $354,581.67 | 57 | 3 | This company in PY2022 → |
| PY2023 | $317,852.92 | 97 | 29 | This company in PY2023 → |
| PY2024 | $284,804.48 | 53 | 9 | This company in PY2024 → |
| PY2025 | $152,838.74 | 39 | 12 | This company in PY2025 → |
By recipient specialty (16)
Sorted by name; identical names by identifier.
Allopathic & Osteopathic Physicians 16 specialties 76 providers
- Anesthesiology 1
- Dermatology 1
- Hospitalist 1
- Internal Medicine · Cardiovascular Disease 5
- Internal Medicine · Clinical Cardiac Electrophysiology 2
- Internal Medicine · Gastroenterology 2
- Internal Medicine · Hematology & Oncology 1
- Internal Medicine · Interventional Cardiology 2
- Obstetrics & Gynecology 1
- Otolaryngology 2
- Radiology · Diagnostic Radiology 4
- Radiology · Vascular & Interventional Radiology 5
- Surgery 4
- Surgery · Vascular Surgery 37
- Thoracic Surgery (Cardiothoracic Vascular Surgery) 2
- Urology 6
Providers listed (76)
Sorted by name; identical names by identifier.
| Provider | Specialty | State | Records reported by this company |
|---|---|---|---|
| ADEL YAACOUB | Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease | IN | 2 |
| ALLY- KHAN SOMANI | Allopathic & Osteopathic Physicians|Dermatology | IL | 1 |
| ANDRES FAJARDO | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | IN | 1 |
| ANDREW R BARLEBEN | Allopathic & Osteopathic Physicians|Surgery | CA | 1 |
| BERNARDO CURI MENDES | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | CA | 3 |
| BRADLEY FIELDS SCHWARTZ | Allopathic & Osteopathic Physicians|Urology | IL | 3 |
| BRET N WIECHMANN | Allopathic & Osteopathic Physicians|Radiology|Vascular & Interventional Radiology | FL | 1 |
| CARLOS I MENA-HURTADO | Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease | CT | 1 |
| CHRISTOPHER RYAN BATES | Allopathic & Osteopathic Physicians|Surgery | SC | 1 |
| CLAYTON J BRINSTER | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | IL | 2 |
| DAVID E LAMMERMEIER | Allopathic & Osteopathic Physicians|Thoracic Surgery (Cardiothoracic Vascular Surgery) | FL | 11 |
| DAVID L GILLESPIE | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | MA | 4 |
| GRACE J WANG | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | PA | 2 |
| GUSTAVO ODERICH | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | TX | 3 |
| HIMANSHU SHAH | Allopathic & Osteopathic Physicians|Radiology|Vascular & Interventional Radiology | IN | 23 |
| HOWARD L SCHAFER | Allopathic & Osteopathic Physicians|Obstetrics & Gynecology | IN | 4 |
| JAMES C DUCANTO | Allopathic & Osteopathic Physicians|Anesthesiology | WI | 1 |
| JASON TIN AYE LEE | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | CA | 1 |
| JAVAIRIAH FATIMA | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | CT | 2 |
| JAY D SCHLAIFER | Allopathic & Osteopathic Physicians|Internal Medicine|Interventional Cardiology | IN | 11 |
| JOHN D REISMAN | Allopathic & Osteopathic Physicians|Urology | IN | 5 |
| JOHN E FRANCIS | Allopathic & Osteopathic Physicians|Surgery | IN | 1 |
| JOHN F FIEDERLEIN | Allopathic & Osteopathic Physicians|Radiology|Diagnostic Radiology | IN | 2 |
| JOHN WESTLEY OHMAN | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | MO | 1 |
| JONATHAN LEE ELIASON | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | MI | 2 |
| JOSEPH V LOMBARDI | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | NJ | 4 |
| JOSEPH VINCENT VALENTINO BLAS | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | SC | 1 |
| K DEAN ARNAOUTAKIS | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | FL | 2 |
| KATHARINE L KROL | Allopathic & Osteopathic Physicians|Radiology|Vascular & Interventional Radiology | IN | 10 |
| KIRPAL SINGH | Allopathic & Osteopathic Physicians|Surgery | IN | 1 |
| LUIS A SANCHEZ | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | MO | 1 |
| MANOJ MONGA | Allopathic & Osteopathic Physicians|Urology | CA | 3 |
| MARC L SCHERMERHORN | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | MA | 2 |
| MARK A GROMSKI | Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology | IN | 1 |
| MARK PRESTON ANDROES | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | SC | 1 |
| MARTIN R BACK | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | FL | 1 |
| MATHEW D WOOSTER | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | SC | 2 |
| MATTHEW P SWEET | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | WA | 1 |
| MELISSA R KAUFMAN | Allopathic & Osteopathic Physicians|Urology | TN | 1 |
| MICHAEL DAVID DAKE | Allopathic & Osteopathic Physicians|Radiology|Diagnostic Radiology | CA | 5 |
| MICHAEL J SINGH | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | PA | 1 |
| MIRZA BAIG | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | TX | 2 |
| MOHAMED HOMSI | Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease | IN | 9 |
| MURRAY L SHAMES | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | FL | 2 |
| NABEEL R RANA | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | IL | 157 |
| NANCY A DIMARTINO | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | IN | 1 |
| NEAL S CAYNE | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | NY | 3 |
| PAUL E TIMPERMAN | Allopathic & Osteopathic Physicians|Radiology|Vascular & Interventional Radiology | IN | 113 |
| PAUL GAGNE | Allopathic & Osteopathic Physicians|Surgery|Vascular Surgery | CT | 4 |
| PETER O'CONNOR | Allopathic & Osteopathic Physicians|Otolaryngology | ME | 2 |