Robert Orenstein, DO

Infectious Disease Physician · Phoenix, AZ

Individual Active NPI

NPI number 1174500565

Practice location

5777 E Mayo Blvd
Phoenix, AZ 85054
Phone
(480) 301-8000

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NPI record

NPI
1174500565
Entity type
Individual (Type 1)
Enumeration date
December 27, 2005
Last updated
September 4, 2026
Certified
September 4, 2026
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Infectious Disease Physician Primary 207RI0200X 5472 AZ
Infectious Disease Physician 207RI0200X 44468 MN
Internal Medicine Physician 207R00000X 44468 MN

Mailing address

5777 E Mayo Blvd
Phoenix, AZ 85054-4502
Phone
(480) 301-8000

About Dr. Orenstein

Robert Orenstein, DO is a healthcare provider registered in the NPI registry with the primary taxonomy Infectious Disease Physician (code 207RI0200X). The practice location is 5777 E Mayo Blvd, Phoenix, AZ 85054. The NPI number 1174500565 was assigned on December 27, 2005 and the record was last updated on September 4, 2026.

Dr. Orenstein lists 3 licenses in the registry: #5472 (AZ) for Infectious Disease Physician; #44468 (MN) for Infectious Disease Physician; #44468 (MN) for Internal Medicine Physician. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Robert Orenstein, DO?

The NPI number is 1174500565.

What is the phone number of Dr. Orenstein?

The phone number listed for the practice location is (480) 301-8000.

Where is Dr. Orenstein located?

5777 E Mayo Blvd, Phoenix, AZ 85054.

What is the taxonomy code for Dr. Orenstein?

The primary taxonomy code is 207RI0200X – Infectious Disease Physician; 2 more listed above.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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