Nephrology in Oxnard, CA
11 verified nephrology doctors in Oxnard.
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. Harvey Lyons, 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. Koosha Mortazavi, MD
Nephrology
CMS Open Payments· $10,310 (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.
$10,310
Total received
4
Transactions
2
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 94% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US nephrology doctors.
Payments to Koosha Mortazavi do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Ali Dana, 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. Tane Liu, 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. Aron Swerdlin, 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. Frank Chieu, 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. Steven Ledesma, 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. Nicholas Bednarski, 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. Gregory Krastein, MD
Nephrology
CMS Open Payments· $136.55 (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.
$136.55
Total received
7
Transactions
4
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 62th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US nephrology doctors.
Payments to Gregory Krastein do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Waqas Aftab, 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. Hashim Mapara, MD
Nephrology
CMS Open Payments· $82.73 (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.
$82.73
Total received
3
Transactions
1
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 55th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US nephrology doctors.
Payments to Hashim Mapara do not imply any wrongdoing. Many are meals, education, or research support.