John J. O'Hara, MD

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Locations and Appointments


Paoli Hospital, MOB 3, Suite 234
255 West Lancaster Avenue
Paoli, PA 19301
  • Phone: 610.647.4260
  • Fax: 610.647.7430
  • Accessibility: Public Transportation, Handicap Access


Main Line Health Center in Collegeville
599 Arcola Road
Collegeville, PA 19426
  • Phone: 610.647.4260
  • Fax: 610..
  • Accessibility: Handicap Access


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 John J. O'Hara, MD

  • Gender: Male
  • Language: English
Specialties Accepting New Patients
Cardiovascular Disease Board certified since 1981
Internal Medicine Board certified since 1980
Clinical Titles
  • Attending Physician

Education

Medical school
  • Hahnemann University School of Medicine
  • Hahnemann University School of Medicine
Internship
  • The Medical College of PA
  • The Medical College of PA
Residency
  • The Medical College of PA
  • The Medical College of PA
Fellowship
  • The Medical College of PA
  • The Medical College of PA

*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.

Awards & Memberships

Current Membership & Activities
  • American Society of Internal Medicine
  • Philadelphia Academy of Cardiology