Browse Health
Ophthalmologist (eyes)
25 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).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Joan O'Brien is Excellent. Dr. O'Brien has been reviewed by 9 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 4.2
Bedside Manner 4.2
Spends Time with Me 4.2
Follows Up After Visit 4.2

Specialties & Research

Dr. Joan O'Brien, MD is board certified in Ophthalmology.

  • She has special expertise in 11 areas:
  • Eye Cancer
  • Eye Cancer (Choroid Neoplasm)
  • Eye Cancer (Retinal Neoplasm)
  • Eye Cancer (Uveal Neoplasm)
  • Eye Diseases
  • Melanoma
  • Orbital Cancer
  • Orbital Diseases
  • Retinal Disorders
  • Retinoblastoma
  • Vision Disorders

Education & Awards

Dr. O'Brien graduated from Dartmouth College, Hanover. She has 6 awards.

One of America's Leading Experts on:
Eye Cancer (Eye Neoplasm)
Eye Cancer (Retinal Neoplasm)
Castle Connolly America's Top Doctors® (2010 - 2015)
Castle Connolly America's Top Doctors® for Cancer (2005 - 2007, 2009 - 2012, 2014 - 2015)
Patients' Choice Award (2012 - 2014)
Top 10 Doctor - City (2014)
Philadelphia, PA


Dr. O'Brien has 6 hospital affiliations:

  • UCSF Medical Center / Moffitt-Long Hospitals 
  • Hospital of the University of PA 


  • French

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Additional Information
Dr. Joan M O'Brien MD is a female Ophthalmologist, has 25 years of experience and practices in Ophthalmology.
Where does Dr. Joan M. O'Brien practice?
Dr. Joan O'Brien has 3 office locations.
Dr. Joan O'Brien practices Ophthalmology near Philadelphia, PA.
Additional practice locations include: San Francisco, CA.
See Philadelphia Ophthalmologists.