Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Allergy, Asthma, & Immunology Specialists, Ltd.

Multi-Specialty Clinic/Center in Scottsdale, AZ · enumerated 2008 · authorized official Linda Alvarez-Thull, Physician and Office Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1801053806

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Registry record

Entity type Organization (Type 2)

Legal business name Allergy, Asthma, & Immunology Specialists, Ltd.

Practice address 10250 N 92nd St, Suite 114, Scottsdale, AZ, 85258

Phone (480) 661-6184

Fax (480) 661-6971

Enumeration date May 19, 2008

Last updated in NPPES May 19, 2008

Taxonomy & classification

261QM1300X Multi-Specialty Clinic/Center Ambulatory Health Care Facilities · License 23830 (AZ) Primary

Authorized official

Name Linda Alvarez-Thull

Title Physician and Office Manager

Phone (480) 661-6184

Other identifiers

Identifier	Type	State	Issuer
1255415253	Other	AZ	INDIVIDUAL NPI NUMBER

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Allergy, Asthma, & Immunology Specialists, Ltd. located?

The practice location on file with NPPES is in Scottsdale, AZ.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-05-19. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-19.