Kowa Company, Ltd.
Reporting payments is a legal requirement; large totals often reflect large product portfolios.
$92Kgeneral payments (2019-2025)
$30Kresearch payments (2019-2025)
24clinicians 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.
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) |
|---|---|---|---|
| Joseph Tauber | Kansas City, MO | Ophthalmology | $55,318.00 |
| Paul Ridker | Boston, MA | Cardiovascular Disease | $19,148.52 |
| Stephen Pflugfelder | Houston, TX | Ophthalmology | $7,500.00 |
| Edmund Tsui | Los Angeles, CA | Uveitis and Ocular Inflammatory Disease | $2,500.00 |
| Jessica Allegretti | Boston, MA | Gastroenterology (Internal Medicine) | $1,075.00 |
| Akio Morita | Tokyo | $1,039.00 | |
| Henry Ginsberg | New York, NY | Endocrinology, Diabetes & Metabolism | $1,000.00 |
| Peter Libby | Boston, MA | Cardiovascular Disease | $958.07 |
| Rohit Loomba | La Jolla, CA | Internal Medicine | $826.34 |
| Elizabeth Hohmann | Boston, MA | Internal Medicine | $700.00 |
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.