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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 (5)

The overall average patient rating of Dr. Rafael Grau is Below Average. Dr. Grau has been reviewed by 12 patients who have provided 5 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 1.3
Promptness 1.3
Courteous Staff 2.7
Accurate Diagnosis 1.7
Bedside Manner 2.0
Spends Time with Me 1.7
Follows Up After Visit 2.0

Specialties & Research

Dr. Rafael Grau, 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)
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Rheumatology
  • Scleroderma

Education & Awards

Dr. Grau graduated from Universidad Peruana Cayetano Heredia, Lima.


Dr. Grau has 13 hospital affiliations:

  • University Physicians Hospital at Kino 
  • Maryvale Hospital 


  • English
  • Spanish

> > > > Dr. Rafael Grau, MD

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Additional Information
Dr. Rafael Guillermo Grau MD is a male Internist, has 38 years of experience and practices in Internal Medicine and Rheumatology.
Where does Dr. Rafael G. Grau practice?
Dr. Rafael Grau has 1 office location.
Dr. Rafael Grau practices Internal Medicine and Rheumatology near Tucson, AZ.
See Tucson Internists and Tucson Rheumatologists.