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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).

Learn more about Dr. William O'Hara:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. William O'Hara is Excellent. Dr. O'Hara has been reviewed by 7 patients who have provided 1 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 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. William O'Hara, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 3 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)

Education & Awards

Dr. O'Hara graduated from University of California at Los Angeles. He has 1 awards.

Compassionate Doctor Recognition (2014)


Dr. O'Hara has 3 hospital affiliations:

  • UC San Diego Health System 
  • Kaiser Permanente San Diego Medical Center 
  • San Diego Medical Center 

> > > > Dr. William O'Hara, MD

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Additional Information
Dr. William Makoto O'Hara MD is a male Orthopaedic Surgeon, has 22 years of experience and practices in Orthopaedic Surgery.
Where does Dr. William M. O'Hara practice?
Dr. William O'Hara has 1 office location.
Dr. William O'Hara practices Orthopaedic Surgery near El Cajon, CA.
See El Cajon Surgeons.