Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Rainier J Diaz, MD

Individual provider Psychiatry Physician · NPI 1942256482

Dr. Rainier J Diaz, MD is a Psychiatry in Tucson, Arizona. Qualified in 1989, 37 years ago. Practices with Sonora Behavioral Health Hospital LLC, a 9-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
37
Licensed in
AZ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8050 E Lakeside Pkwy
Tucson, AZ 85730-1254
Phone: (520) 584-5820
Fax: (520) 514-1514
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 26841 (AZ)

Record details

NPI number1942256482
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 26, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Sonora Behavioral Health Hospital Llc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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