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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 (33)

The overall average patient rating of Dr. Warren Rizzo is Below Average. Dr. Rizzo has been reviewed by 47 patients who have provided 33 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 2.7
Promptness 2.8
Courteous Staff 2.6
Accurate Diagnosis 2.5
Bedside Manner 1.8
Spends Time with Me 2.0
Follows Up After Visit 1.9

Specialties & Research

Dr. Warren Rizzo, MD is board certified in Rheumatology.

  • He has special expertise in 6 areas:
  • Arthritis
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatic Diseases
  • Rheumatoid Arthritis

Education & Awards

Dr. Rizzo graduated from Universita Degli Studi Di Palermo.


Dr. Rizzo has 11 hospital affiliations:

  • John C Lincoln Hospital - Deer Valley 
  • Scottsdale Healthcare-Shea 


  • German
  • French
  • Italian

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Additional Information
Dr. Warren Carl Rizzo MD is a male Rheumatologist, has 26 years of experience and practices in Rheumatology.
Where does Dr. Warren C. Rizzo practice?
Dr. Warren Rizzo has 1 office location.
Dr. Warren Rizzo practices Rheumatology near Scottsdale, AZ.
See Scottsdale Rheumatologists.