Vifor Pharma, INC.
Reporting payments is a legal requirement; large totals often reflect large product portfolios.
$6.7Mgeneral payments (2019-2025)
$31Kresearch payments (2019-2025)
15,271clinicians 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
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) |
|---|---|---|---|
| Gates Colbert | Dallas, TX | Nephrology (Internal Medicine) | $255,273.71 |
| Christopher Gisler | Pittsburgh, PA | Nephrology (Internal Medicine) | $145,930.72 |
| Anjay Rastogi | Los Angeles, CA | Nephrology (Internal Medicine) | $140,755.26 |
| Rodolfo Batarse | Rancho Mirage, CA | Nephrology (Internal Medicine) | $134,866.00 |
| Ross Nesbit | Knoxville, TN | Nephrology (Internal Medicine) | $111,627.01 |
| Michael Etomi | Charlotte, NC | Nephrology (Internal Medicine) | $76,697.59 |
| Steven Regwan | Salinas, CA | Cardiovascular Disease | $76,208.04 |
| Michael Germain | Springfield, MA | Nephrology (Internal Medicine) | $74,762.65 |
| Gary Singer | Saint Peters, MO | Nephrology (Internal Medicine) | $73,246.66 |
| German Hernandez | El Paso, TX | Nephrology (Internal Medicine) | $69,043.73 |
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.