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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).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Parker is Below Average. Dr. Parker has been reviewed by 3 patients who have provided 1 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 3.2
Promptness 1.7
Courteous Staff 1.9
Accurate Diagnosis 1.9
Bedside Manner 2.3
Spends Time with Me 2.3
Follows Up After Visit 2.3

Specialties & Research

Dr. John Parker, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 4 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Sports Medicine

Education & Awards

Dr. Parker graduated from Indiana University , Indianapolis.


Dr. Parker has 5 hospital affiliations:

  • St. Jude Medical Center 
  • Western Medical Center - Santa Ana 


  • Spanish

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Additional Information
Dr. John Francis Parker MD is a male Orthopaedic Surgeon, has 49 years of experience and practices in Orthopaedic Surgery.
Where does Dr. John F. Parker practice?
Dr. John Parker has 10 office locations.
Dr. John Parker practices Orthopaedic Surgery near Yorba Linda, CA.
Additional practice locations include: Fullerton, CA and Sunnyvale, CA.
See Yorba Linda Orthopedic Surgeons.