NPI Portal NPI Lookup & Verification

Allergy & Immunology in Oro Valley, AZ

5 active Allergy & Immunology providers practice in Oro Valley, Arizona according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Allergy & Immunology providers in Oro Valley, AZ
NPI Name Type Specialty Location
1063476042 Andrew Sassack Individual Allergy & Immunology Physician Oro Valley, AZ
1215931050 David Friedman Individual Allergy & Immunology Physician Oro Valley, AZ
1821832254 David J Friedman MD PC Organization Allergy & Immunology Physician Oro Valley, AZ
1467480855 Jay Grossman Individual Allergy Physician Oro Valley, AZ
1639161813 Robert Stelzle Individual Allergy & Immunology Physician Oro Valley, AZ

Frequently asked questions

How many Allergy & Immunology providers are in Oro Valley, AZ?
The latest NPPES snapshot lists 5 active Allergy & Immunology providers with a practice address in Oro Valley, Arizona.
How do I check a Allergy & Immunology provider's NPI in Oro Valley?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-11.