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. Sean O'Brien:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Sean O'Brien is Excellent.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
Dr. Sean O'Brien, MD is board certified in Allergy & Immunology and Pediatrics.
He has special expertise in 2 Areas, including Asthma and Nasal Allergy Rhinitis.
More Specialties & Research
Education & Awards
Dr. O'Brien graduated from University of Chicago. He has 1 awards.
Dr. O'Brien has 1 hospital affiliations:
- Sinai Hospital Of Baltimore
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- AMERIGROUP - 3 plans
- United Healthcare - 6 plans
- Evercare - 3 plans
- Cigna - 4 plans
- United Health Group, Inc. - Americhoice - 1 plan
More Accepted Insurance