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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIANA DIAZ
NPI 1356098255
Speech-Language Pathologist in Yuma, AZ

Active since March 09, 2022

NPPES record last updated: September 27, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 27, 2026, Mar 9, 2022 (2 updates tracked since 2022).

About Mariana Diaz NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIANA DIAZ (NPI 1356098255) is an individual speech-language pathologist provider in Yuma, Arizona and active in the NPI registry since March 2022.

NPPES Registry Identity

NPI1356098255
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMARIANA DIAZ
Location Address450 W 6TH STYuma, AZ 85364-2973
Mailing AddressPo Box 1809San Luis, AZ 85349-1809
Phone(928) 502-4300
Sole ProprietorNo
Enumeration DateMarch 9, 2022
Last NPPES UpdateSeptember 27, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2026
✔ NPI 1356098255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
450 W 6TH ST, Yuma, AZ 85364
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. MEGAN AUMAN MS
Psychologist (School)
450 W 6TH ST
YUMA, AZ 85364
Yuma County (928) 502-4399
CARRIE SUE EDWARDS OTR
Occupational Therapist
450 W 6TH ST
YUMA, AZ 85364
Yuma County (928) 502-4300
MS. FRANCES CHAR RODRIGUEZ CF-SLP
Speech-Language Pathologist
450 W 6TH ST
YUMA, AZ 85364
Yuma County (928) 502-4399
ASHLEY DIAZ
Specialist/Technologist (Speech-Language Assistant)
450 W 6TH ST
YUMA, AZ 85364
Yuma County (928) 502-4300
BETHANY ERICKSON
Speech-Language Pathologist
450 W 6TH ST
YUMA, AZ 85364
Yuma County (928) 502-4300
NATALIE MCPHERSON RN
Registered Nurse (School)
450 W 6TH ST
YUMA, AZ 85364
Yuma County (928) 502-4300
VICTORIA ANNE MCALLISTER
Speech-Language Pathologist
450 W 6TH ST
YUMA, AZ 85364
Yuma County (928) 502-4300
MR. LONNIE STEPHAN MEADE JR. M.A., CCC SLP
Speech-Language Pathologist
450 W 6TH ST
YUMA, AZ 85364
Yuma County (928) 502-4300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mariana Diaz's NPI number?

The NPI number for Mariana Diaz is 1356098255. It was assigned to this individual provider in the NPPES registry on March 9, 2022.

Where is Mariana Diaz located?

Mariana Diaz practices at 450 W 6th St, Yuma, AZ 85364. The listed phone number is (928) 502-4300.

What is Mariana Diaz's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Mariana Diaz was last updated on September 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.