Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sandra Diaz-Hernandez, RD

Registered Dietitian in Edinburg, TX · enumerated 2014.

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

National Provider Identifier

1619378171

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Registry record

Entity type Individual (Type 1)

Name Sandra Diaz-Hernandez

Credential RD

Sex Female

Practice address 5500 Raphael Dr., Edinburg, TX, 78539

Phone (956) 362-5673

Fax (956) 362-2038

Enumeration date Sep 15, 2014

Last updated in NPPES Nov 20, 2015

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License DT83433 (TX) Primary

RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration. About the RD credential

Other identifiers

Identifier	Type	State	Issuer
344862301	Medicaid	TX	-

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 does Sandra Diaz-Hernandez practice?

The practice location on file with NPPES is in Edinburg, TX. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Sandra Diaz-Hernandez?

The National Provider Identifier (NPI) for Sandra Diaz-Hernandez is 1619378171, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-11-20.