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

Robert J Sivak, MD, Ltd

Organization Psychiatry Physician · NPI 1578738936

Robert J Sivak, MD, Ltd is a Psychiatry Physician in Tempe, Arizona. Licensed in Arizona. Registered with an NPI since 2008.

Licensed in
AZ
In the registry since
2008
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4600 S Mill Ave Ste 160
Tempe, AZ 85282-6757
Phone: (480) 345-1200
Fax: (480) 345-1281
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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 12253 (AZ)

Record details

NPI number1578738936
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Sivak — President · (480) 345-1200
NPI enumeratedApril 28, 2008
Last updated in NPPESJune 25, 2008
Mailing address4600 S Mill Ave Ste 160, Tempe, AZ 85282-6758

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