DoctorsProofNPPES directory · verify at state boards

Medical Oncology in Orange, CA

8 verified medical oncology doctors in Orange.

Medical oncologists diagnose and treat cancer, coordinating chemotherapy and other systemic cancer therapies.

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 Medical Board of California

Dr. Samuel Ejadi, MD

Medical Oncology

20 yrs NPPES
NPI 1285605212
101 THE CITY DR S RM 240, Orange, CA 92868(714) 456-8000
NPPES public registry
CMS Open Payments· $21.52 (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.

$21.52

Total received

1

Transactions

1

Paying companies

Top paying companies

Amgen Inc.$21.52

Among the 4,060 medical oncology doctors we've analyzed, about 60% received any industry payment (median $4,500 among those who did). This doctor's total is on the lower end — around the 42th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US medical oncology doctors.

Payments to Samuel Ejadi do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Victoria Villaflor, MD

Medical Oncology

20 yrs NPPES
NPI 1154380582
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,049,845 (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.

$1,049,845

Total received

116

Transactions

13

Paying companies

Top paying companies

Takeda Pharmaceuticals U.S.A., Inc.$662,230
Sanofi US Services Inc.$161,372
Merck Sharp & Dohme LLC$82,977
Hoffmann-La Roche Limited$77,963
Genentech, Inc.$41,445
Regeneron Pharmaceuticals, Inc.$12,529

Among the 4,060 medical oncology doctors we've analyzed, about 60% received any industry payment (median $4,500 among those who did). This doctor's total is higher than 96% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US medical oncology doctors.

Payments to Victoria Villaflor do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Mihaela Cristea, MD

Medical Oncology

20 yrs NPPES
NPI 1417050998
101 THE CITY DR S, Orange, CA 92868(714) 456-8888
NPPES public registry
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. Susan O'Brien, MD

Medical Oncology

20 yrs NPPES
NPI 1669577276
101 THE CITY DRIVE SOUTH, BLDG. 23, RM. 403, Orange, CA 92868(714) 456-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $551,928 (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.

$551,928

Total received

83

Transactions

16

Paying companies

Top paying companies

Regeneron Pharmaceuticals, Inc.$329,163
Pharmacyclics LLC, An AbbVie Company$65,517
Eli Lilly and Company$47,499
AstraZeneca UK Limited$42,221
Acerta Pharma LLC$31,064
AbbVie Inc.$9,493

Among the 4,060 medical oncology doctors we've analyzed, about 60% received any industry payment (median $4,500 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 medical oncology doctors.

Payments to Susan O'Brien do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Angela Fleischman, MD

Medical Oncology

19 yrs NPPES
NPI 1922216175
101 THE CITY DR S, Orange, CA 92868(714) 456-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $58,573 (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.

$58,573

Total received

36

Transactions

5

Paying companies

Top paying companies

PharmaEssentia USA Corporation$28,226
GlaxoSmithKline, LLC.$18,525
CTI BioPharma Corp.$10,682
Celgene Corporation$1,086
Incyte Corporation$54.27

Among the 4,060 medical oncology doctors we've analyzed, about 60% received any industry payment (median $4,500 among those who did). This doctor's total ranks around the 81th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US medical oncology doctors.

Payments to Angela Fleischman do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Farshid Dayyani, MD

Medical Oncology

18 yrs NPPES
NPI 1376710434
101 THE CITY DR S, Orange, CA 92868(714) 456-8000
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,378,992 (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.

$1,378,992

Total received

236

Transactions

19

Paying companies

Top paying companies

Exelixis Inc.$314,188
AVEO Pharmaceuticals, Inc.$301,173
Genentech, Inc.$211,313
Bayer HealthCare Pharmaceuticals Inc.$97,022
AstraZeneca UK Limited$96,029
Sirtex Medical Inc$79,646

Among the 4,060 medical oncology doctors we've analyzed, about 60% received any industry payment (median $4,500 among those who did). This doctor's total is higher than 97% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US medical oncology doctors.

Payments to Farshid Dayyani do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Sayeh Lavasani, MD

Medical Oncology

16 yrs NPPES
NPI 1205130572
101 THE CITY DR S, Orange, CA 92868(714) 880-7812
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $30,512 (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.

$30,512

Total received

28

Transactions

3

Paying companies

Top paying companies

Seagen Inc.$23,711
AstraZeneca Pharmaceuticals LP$6,531
NOVARTIS PHARMACEUTICALS CORPORATION$269.80

Among the 4,060 medical oncology doctors we've analyzed, about 60% received any industry payment (median $4,500 among those who did). This doctor's total ranks around the 78th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US medical oncology doctors.

Payments to Sayeh Lavasani do not imply any wrongdoing. Many are meals, education, or research support.

Medical Oncology in Orange, CA — Verified | DoctorsProof | DoctorsProof