Browse Health
Primary Care Doctor, General Practitioner
19 years of experience
Accepting new patients
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).

Learn more about Dr. William O'Brien:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. William O'Brien is Good. Dr. O'Brien has been reviewed by 10 patients who have provided 2 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.1
Courteous Staff 3.7
Accurate Diagnosis 3.7
Bedside Manner 3.7
Spends Time with Me 3.2
Follows Up After Visit 3.7

Specialties & Research

  • He has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. O'Brien graduated from Nova Southeastern University , Davie.


Dr. O'Brien has 3 hospital affiliations:

  • St. Mary Medical Center - Langhorne 
  • Frankford Hospital 
  • Temple Lower Bucks Hospital 

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Additional Information
Dr. William O'Brien DO is a male General Practitioner, has 19 years of experience and practices in General Practice.
Where does Dr. William O'Brien practice?
Dr. William O'Brien has 7 office locations.
Dr. William O'Brien practices General Practice near Levittown, PA.
Additional practice locations include: Bensalem, PA and Philadelphia, PA.
See Levittown Primary Care Doctors.