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Dr. Ronald O'Halloran, MD is an anatomic pathologist in Ventura, CA specializing in anatomic pathology.
He has a state license in California.
Licensed In: California
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These charts describe general payments received by Dr. Ronald O'Halloran, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.
| Merck Sharp & Dohme Corporation |
$20
KEYTRUDA $20 |
|---|
| Food and Beverage | $20 |
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Dr. Ronald O'Halloran specializes in anatomic pathology and practices in Ventura, CA. Dr. O'Halloran obtained a license to practice in California.