APTEVO THERAPEUTICS 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 · PY2021
Date, newest first, then reporting company; values as published by CMS.
General Payments · PY2021 · All recipient types · CMS publication 2026-06-30
17 matching records · $316,814.22 reported total · 0 disputed
Nature of payment: All payment types
Records imported here (UTC).
Download all 17 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 1–17 of 17.
| Recipient | Paying entity | Amount | Date | Nature of payment | Dispute status | Publication flags | Published | Record ID | Source |
|---|---|---|---|---|---|---|---|---|---|
| JOHN EDWARD NIEDERHUBER Physician / non-physician practitioner | Aptevo Therapeutics Inc | $23,125.00 | 12/21/2021 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822017 | CMS |
| KEITH A CANDIOTTI Physician / non-physician practitioner | Aptevo Therapeutics Inc | $750.00 | 10/21/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822029 | CMS |
| OMER KUCUK Physician / non-physician practitioner | Aptevo Therapeutics Inc | $1,000.00 | 10/07/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822035 | CMS |
| University Of Washington Med Ctr Teaching hospital | Aptevo Therapeutics Inc | $354.74 | 10/07/2021 | Space rental or facility fees (teaching hospital only) | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822045 | CMS |
| JOHN EDWARD NIEDERHUBER Physician / non-physician practitioner | Aptevo Therapeutics Inc | $23,125.00 | 09/23/2021 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822019 | CMS |
| SCOTT STROMATT Physician / non-physician practitioner | Aptevo Therapeutics Inc | $11,000.00 | 08/05/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822041 | CMS |
| University Of Washington Med Ctr Teaching hospital | Aptevo Therapeutics Inc | $354.74 | 07/22/2021 | Space rental or facility fees (teaching hospital only) | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822047 | CMS |
| SCOTT STROMATT Physician / non-physician practitioner | Aptevo Therapeutics Inc | $11,000.00 | 07/08/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822037 | CMS |
| JOHN EDWARD NIEDERHUBER Physician / non-physician practitioner | Aptevo Therapeutics Inc | $23,125.00 | 06/24/2021 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849821991 | CMS |
| University Of Washington Med Ctr Teaching hospital | Aptevo Therapeutics Inc | $354.74 | 06/10/2021 | Space rental or facility fees (teaching hospital only) | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849821999 | CMS |
| SCOTT STROMATT Physician / non-physician practitioner | Aptevo Therapeutics Inc | $61,000.00 | 06/03/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822009 | CMS |
| SCOTT STROMATT Physician / non-physician practitioner | Aptevo Therapeutics Inc | $11,000.00 | 05/13/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822015 | CMS |
| JOHN EDWARD NIEDERHUBER Physician / non-physician practitioner | Aptevo Therapeutics Inc | $20,625.00 | 04/28/2021 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849821993 | CMS |
| SCOTT STROMATT Physician / non-physician practitioner | Aptevo Therapeutics Inc | $20,000.00 | 04/08/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822011 | CMS |
| SCOTT STROMATT Physician / non-physician practitioner | Aptevo Therapeutics Inc | $20,000.00 | 03/04/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822013 | CMS |
| SCOTT STROMATT Physician / non-physician practitioner | Aptevo Therapeutics Inc | $20,000.00 | 02/12/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822003 | CMS |
| SCOTT STROMATT Physician / non-physician practitioner | Aptevo Therapeutics Inc | $70,000.00 | 01/07/2021 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 849822007 | CMS |
Practitioner overview · all loaded program years
44 providers listed 143 records General Payments
General Payments to practitioners — all loaded program years
- Category: General Payments
- Program years: 2019, 2020, 2021
- Record count: 143
- Providers listed: 44
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 | $127,365.36 | 108 | 39 | This company in PY2019 → |
| PY2020 | $230,039.37 | 21 | 6 | This company in PY2020 → |
| PY2021 | $315,750.00 | 14 | 4 | This company in PY2021 → |
By recipient specialty (9)
Sorted by name; identical names by identifier.
Allopathic & Osteopathic Physicians 9 specialties 42 providers
Providers listed (44)
Sorted by name; identical names by identifier.
| Provider | Specialty | State | Records reported by this company |
|---|---|---|---|
| ADAM S KOTOWSKI | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | NY | 1 |
| ALKA MALLIK | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | TX | 2 |
| AMY T DAO | Allopathic & Osteopathic Physicians|Pediatrics | NM | 1 |
| ANGELA C WEYAND | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | MI | 6 |
| ARCHIE W BROWN | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | LA | 1 |
| BENJAMIN DOWNIE | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | NM | 1 |
| BERNARD JOHN EMKES | Allopathic & Osteopathic Physicians|Family Medicine | IN | 1 |
| CATHERINE WELLS BOSTON | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | TX | 3 |
| CRAIG KESSLER | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | DC | 4 |
| CYNTHIA A GAUGER | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | FL | 1 |
| DAISY C CORTES | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | NV | 2 |
| DANIELLE NANCE | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology | AZ | 6 |
| DOUGLASS DRELICH | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology | PA | 1 |
| EDWARD GOMPERTS | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | CA | 5 |
| ELPIDIA H BALBASTRO | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | LA | 3 |
| GARY M KUPFER | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | DC | 5 |
| HAYDAR A FRANGOUL | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | TN | 2 |
| HOLLEH DARIA HUSSEINZADEH | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | PA | 1 |
| JANNA M JOURNEYCAKE | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | TX | 5 |
| JENNIFER A DOMM | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | TN | 2 |
| JOHN EDWARD NIEDERHUBER | Allopathic & Osteopathic Physicians|Surgery|Surgical Oncology | VA | 17 |
| JOHN R WEINHOLD | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | NY | 1 |
| JONATHAN BERNSTEIN | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | PA | 6 |
| KAITLIN MORAN | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | FL | 1 |
| KEITH A CANDIOTTI | Allopathic & Osteopathic Physicians|Anesthesiology | FL | 1 |
| KENNETH LEE PETTIT | Allopathic & Osteopathic Physicians|Family Medicine | AZ | 1 |
| LISA N BOGGIO | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | IL | 8 |
| MARK J RATAIN | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | IL | 1 |
| MATTHEW HARRIS | — | DC | 1 |
| MICHAEL A NAPOLITANO | Allopathic & Osteopathic Physicians|Internal Medicine | PA | 1 |
| MOHSEN GHADIMI-MAHANI | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | TX | 1 |
| NATALIA A KRUEGER | Allopathic & Osteopathic Physicians|Family Medicine | PA | 1 |
| NIK F NIK ABDUL RASHID | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | NV | 1 |
| NINA X HWANG | Allopathic & Osteopathic Physicians|Pediatrics | CA | 1 |
| OMER KUCUK | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | GA | 1 |
| PAUL J SHAMI | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | UT | 1 |
| REBECCA E BARRINGTON | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | TX | 1 |
| ROBERT A RAMIREZ | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | TN | 1 |
| ROBERT F SIDONIO | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Hematology-Oncology | GA | 14 |
| ROBERT L ANDERSON | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | TX | 1 |
| SCOTT STROMATT | Allopathic & Osteopathic Physicians|Internal Medicine | HI | 21 |
| SIDNEY STEIN | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | GA | 6 |
| STANLEY SCHINKE | — | CA | 1 |
| SUMAIRA SHAFI | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | WV | 1 |