A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Frances O'Sullivan:
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Education & Awards
Dr. O'Sullivan graduated from University College Dublin.
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- Additional Information
- Dr. Frances E M O'Sullivan MD is a female Psychiatrist, has 28 years of experience and practices in Psychiatry.
- Where does Dr. Frances E. O'Sullivan practice?
- Dr. Frances O'Sullivan has 1 office location.
Dr. Frances O'Sullivan practices Psychiatry near Ventura, CA.
See Ventura Psychiatrists.