William R. O'Brien, MD

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Practice Name
  • Dr. William O'Brien, M.D.
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Locations and Appointments

1342 Monk Road
Gladwyne, PA 19035

Do you have questions or are you looking for help in choosing the right provider?

Call 1.866.CALL.MLH (1.866.225.5654), Monday through Friday between 8:00 am–6:00 pm ET, to speak with a member of our referral staff who can help find the doctor who is right for you.

About William R. O'Brien, MD

  • Gender: Male
  • Language: English
Specialties Accepting New Patients
Psychiatry Board certified since 1949
Primary Affiliation


Medical school
  • Jefferson Medical College
  • Thomas Jefferson University Hospital
  • V. A. Medical Center - Philadelphia

*Members of the Main Line Health medical staff are affiliated with Bryn Mawr Hospital, Lankenau Medical Center, Paoli Hospital and Riddle Hospital. Membership on the medical staff of any of our hospitals does not constitute an employment or agency relationship.

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