Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Irene Diaz, OTR
Occupational Therapist in Alton, TX · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629321054
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Irene Diaz
Credential OTR
Sex Female
Practice address 1315 W. Main A, Suite 11, Alton, TX, 78573
Phone (956) 580-1100
Fax (956) 580-1138
Enumeration date Oct 23, 2012
Last updated in NPPES Oct 10, 2014
Taxonomy & licenses
225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 115076 (TX) Primary
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.
Frequently asked questions
What is the NPI number for Irene Diaz?
The National Provider Identifier (NPI) for Irene Diaz is 1629321054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Irene Diaz practice?
The practice location on file with NPPES is in Alton, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Elizabeth Morales Speech-Language Pathologist · Alton, TX NPI 1528104379 Vanessa Ovalle Speech-Language Pathologist · Alton, TX NPI 1881819902 Belinda Carranza Occupational Therapist · Alton, TX NPI 1124291794 Janie De La Rosa Occupational Therapist · Alton, TX NPI 1255578795 Elizabeth Hernandez Speech-Language Pathologist · Alton, TX NPI 1255623161 Jessica Gonzalez Speech-Language Pathologist · Alton, TX NPI 1265836894
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-10.