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. Karen O'Neill:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 4 of 4 stars
The overall average patient rating of Dr. Karen O'Neill is Excellent.
|Ease of Appointment||
|Follows Up After Visit||
Specialties & Research
Dr. Karen O'Neill, MD is board certified in Emergency Medicine, Family Medicine, and Internal Medicine.
Education & Awards
Dr. O'Neill graduated from UMDNJ, Newark.