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License & Identifications

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).


Our records indicate this doctor is a student.

Learn more about Dr. Brendan O'Brien:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Brendan O'Brien is Excellent. Dr. O'Brien has been reviewed by 8 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.6
Courteous Staff 4.8
Accurate Diagnosis 5.0
Bedside Manner 4.8
Spends Time with Me 4.6
Follows Up After Visit 4.6

Specialties & Research

  • He has special expertise in 1 area:
  • Disorders of ear

> Dr. Brendan O'Brien, MD

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Additional Information
Dr. Brendan M O'Brien MD is a male doctor and practices in .
Where does Dr. Brendan M. O'Brien practice?
Dr. Brendan O'Brien has 3 office locations.
Dr. Brendan O'Brien practices near Rochester, NY.
Additional practice locations include: Warsaw, NY.