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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 (3)

The overall average patient rating of Dr. Curtis Siu is Average. Dr. Siu has been reviewed by 6 patients who have provided 3 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.7
Courteous Staff 3.7
Accurate Diagnosis 3.3
Bedside Manner 3.3
Spends Time with Me 3.0
Follows Up After Visit 3.0

Specialties & Research

Dr. Curtis Siu, MD is board certified in Internal Medicine.

Education & Awards

Dr. Siu graduated from University of California at San Diego, La Jolla.


Dr. Siu has 6 hospital affiliations:

  • Saddleback Memorial Medical Center-Laguna Hills 
  • Anaheim Memorial Medical Center 


  • Mandarin
  • Chinese
  • Cantonese

> > > > Dr. Curtis Siu, MD

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Additional Information
Dr. Curtis Wai Siu MD is a male Internist, has 12 years of experience and practices in Internal Medicine.
Where does Dr. Curtis W. Siu practice?
Dr. Curtis Siu has 5 office locations.
Dr. Curtis Siu practices Internal Medicine near Laguna Hills, CA.
See Laguna Hills Internists.