Nephrology in Thousand Oaks, CA
8 verified nephrology doctors in Thousand Oaks.
Nephrologists treat kidney disease, high blood pressure, and disorders of fluid and electrolyte balance.
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.
Dr. Anthony Capparelli, MD
Nephrology
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. Salah Sonbol, MD
Nephrology
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. Richard Lessman, MD
Nephrology
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. Paul Finkel, MD
Nephrology
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. Robert Brenner, MD
Nephrology
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. Karen Vossen Smirnakis, MD
Nephrology
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. Ramdas Kumar, MD
Nephrology
CMS Open Payments· $1,240 (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.
$1,240
Total received
51
Transactions
11
Paying companies
Top paying companies
Among the 10,935 nephrology doctors we've analyzed, about 59% received any industry payment (median $286 among those who did). This doctor's total ranks around the 88th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US nephrology doctors.
Payments to Ramdas Kumar do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Arian Gower, MD
Nephrology
CMS Open Payments· $4,096 (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.
$4,096
Total received
145
Transactions
24
Paying companies
Top paying companies
Among the 10,935 nephrology doctors we've analyzed, about 59% received any industry payment (median $286 among those who did). This doctor's total is higher than 93% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US nephrology doctors.
Payments to Arian Gower do not imply any wrongdoing. Many are meals, education, or research support.