Biogen, INC.
Reporting payments is a legal requirement; large totals often reflect large product portfolios.
$73Mgeneral payments (2019-2025)
$2.1Mresearch payments (2019-2025)
40,411clinicians 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
General payments only, as reported to CMS. Research payments are totaled above and not included in these bars.
Products most associated with its payments
- Vumerity $4.8M associated (2023-2025)
- Tysabri $2.9M associated (2023-2025)
- Zurzuvae $2.1M associated (2023-2025)
- Spinraza $1.5M associated (2023-2025)
- Skyclarys $920K associated (2023-2025)
- Avonex $338K associated (2023-2025)
- Leqembi $128K associated (2023-2025)
- Plegridy $59K associated (2023-2025)
- Qalsody $36K associated (2023-2025)
- Aduhelm $23K associated (2023-2025)
- Byooviz $19K associated (2023-2025)
- Tecfidera $12K associated (2023-2025)
Specialties it works with most
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.
| Clinician | Location | Specialty | General payments (2019-2025) |
|---|---|---|---|
| Steven Ryder | Westport, CT | Internal Medicine | $3,887,797.49 |
| Stephen Sherwin | San Francisco, CA | Medical Oncology | $2,735,213.82 |
| Daniel Bandari | Newport Beach, CA | Neurology (Psychiatry & Neurology) | $785,935.12 |
| Regina Berkovich | West Hollywood, CA | Neurology (Psychiatry & Neurology) | $784,014.78 |
| Anoopum Gupta | Pittsburgh, PA | Neurology (Psychiatry & Neurology) | $588,325.56 |
| Kenneth Mankowski | Columbus, OH | Neurology (Psychiatry & Neurology) | $562,391.61 |
| William Flanders | Atlanta, GA | Public Health & General Preventive Medicine | $515,868.39 |
| Perry Shieh | Los Angeles, CA | Neurology (Psychiatry & Neurology) | $507,085.10 |
| Mark Tullman | Saint Louis, MO | Neurology (Psychiatry & Neurology) | $477,369.51 |
| Bruce Hughes | Des Moines, IA | Neurology (Psychiatry & Neurology) | $470,683.06 |
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.