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Internist, Rheumatologist
12 years of experience
Video profile
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. Roger Kornu is Excellent. Dr. Kornu has been reviewed by 6 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.6
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. Roger Kornu, MD is board certified in Internal Medicine and Rheumatology.

  • He has special expertise in 8 areas:
  • Arthritis
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Osteoporosis
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Vasculitis

Education & Awards

Dr. Kornu graduated from The University of Texas Southwestern, Dallas. He has 3 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2012)
Compassionate Doctor Recognition (2014)


Dr. Kornu has 14 hospital affiliations:

  • Palomar Medical Center 
  • St. Joseph Hospital - Orange 


  • Spanish
  • English
  • Russian

> > > > Dr. Roger Kornu, MD

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Additional Information
Dr. Roger Kornu MD is a male Internist, has 12 years of experience and practices in Internal Medicine and Rheumatology.
Where does Dr. Roger Kornu practice?
Dr. Roger Kornu has 5 office locations.
Dr. Roger Kornu practices Internal Medicine and Rheumatology near Tustin, CA.
Additional practice locations include: Orange, CA and San Diego, CA.
See Tustin Internists and Tustin Rheumatologists.