Kowa Research Institute, INC.
Reporting payments is a legal requirement; large totals often reflect large product portfolios.
$1.9Mgeneral payments (2019-2025)
$309Kresearch payments (2019-2025)
513clinicians 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) |
|---|---|---|---|
| Elizabeth Squiers | Half Moon Bay, CA | Transplant Surgery | $1,255,153.00 |
| Sean Fenton | Staten Island, NY | Family Medicine | $151,375.00 |
| David Hosford | Winston Salem, NC | Neurology (Psychiatry & Neurology) | $89,395.53 |
| Peter Toth | Sterling, IL | Family Medicine | $60,000.00 |
| Henry Ginsberg | New York, NY | Endocrinology, Diabetes & Metabolism | $51,574.21 |
| Oscar Cummings | Indianapolis, IN | Anatomic Pathology & Clinical Pathology | $50,000.00 |
| Rohit Loomba | La Jolla, CA | Internal Medicine | $29,895.08 |
| Sadeer Hannush | Langhorne, PA | Ophthalmology | $29,100.00 |
| Bernard Gersh | Rochester, MN | Cardiovascular Disease | $16,000.00 |
| Kris Kowdley | Seattle, WA | Gastroenterology (Internal Medicine) | $12,442.76 |
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.