Ophthalmology in Greenfield, MA
3 verified ophthalmology doctors in Greenfield.
Ophthalmologists are physicians who provide complete eye care, including surgery for eye disease.
NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.
Verify a license at the Massachusetts Board of Registration in Medicine
Dr. John Warren, MD
Ophthalmology
CMS Open Payments· $674.55 (2023)
Industry Payments (2023)
Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.
$674.55
Total received
18
Transactions
8
Paying companies
Top paying companies
Among the 23,451 ophthalmology doctors we've analyzed, about 60% received any industry payment (median $348 among those who did). This doctor's total ranks around the 80th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US ophthalmology doctors.
Payments to John Warren do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Robert Austin, MD
Ophthalmology
CMS Open Payments· No payments in 2023
Industry Payments
No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.
Dr. Nathalie Rioux, MD
Ophthalmology
CMS Open Payments· $156.20 (2023)
Industry Payments (2023)
Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.
$156.20
Total received
8
Transactions
4
Paying companies
Top paying companies
Among the 23,451 ophthalmology doctors we've analyzed, about 60% received any industry payment (median $348 among those who did). This doctor's total ranks around the 58th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US ophthalmology doctors.
Payments to Nathalie Rioux do not imply any wrongdoing. Many are meals, education, or research support.