Aptevo Therapeutics INC

Reporting payments is a legal requirement; large totals often reflect large product portfolios.

$673Kgeneral payments (2019-2025)
$0.00research payments (2019-2025)
64clinicians paid

General and research payments are shown separately, never blended. Research payments are often institution-directed and tied to clinical trials.

General payments by year

2019 $127K
2020 $230K
2021 $316K

General payments only, as reported to CMS. Research payments are totaled above and not included in these bars.

Specialties it works with most

Internal Medicine $385K
Surgical Oncology $242K
Pediatric Hematology-Oncology $24K
Hematology & Oncology $15K
Hematology (Internal Medicine) $5,729
Anesthesiology $750

Clinicians with the largest reported totals

Often long-running consulting, speaking, or advisory relationships, which companies must report by law. A large total is not evidence of anything improper.

ClinicianLocationSpecialtyGeneral payments (2019-2025)
Scott Stromatt Kamuela, HI Internal Medicine $385,000.00
John Niederhuber Falls Church, VA Surgical Oncology $241,999.00
Danielle Nance Gilbert, AZ Hematology (Internal Medicine) $5,712.83
Angela Weyand Ann Arbor, MI Pediatric Hematology-Oncology $4,366.93
Lisa Boggio Chicago, IL Hematology & Oncology $4,269.90
Sidney Stein Atlanta, GA Hematology & Oncology $4,128.71
Jonathan Bernstein Hershey, PA Pediatric Hematology-Oncology $3,996.32
Gary Kupfer Washington, DC Pediatric Hematology-Oncology $3,995.73
Janna Journeycake Dallas, TX Pediatric Hematology-Oncology $3,981.73
Robert Sidonio Atlanta, GA Pediatric Hematology-Oncology $3,791.44

Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.