Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Horacio Alberto Diaz, MD

Individual provider Family Medicine Physician · NPI 1912999699

Horacio Alberto Diaz, MD is a Family Practice in Laredo, Texas. Qualified in 1988, 38 years ago. Practices with Laredo Emergency Medicine Associates PA, a 44-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
38
Licensed in
TX
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3402 E Del Mar Blvd Ste 184
Laredo, TX 78041-6592
Phone: (956) 267-4667
Fax: (956) 267-4667
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3527 Loop 20, Laredo, TX 78043-4788 — (956) 725-0811

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence K4408 (TX)
Emergency Medicine Physician Taxonomy 207P00000X · Licence K4408 (TX)

Record details

NPI number1912999699
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 18, 2005
Last updated in NPPESDecember 8, 2025
Certification dateDecember 8, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Laredo Emergency Medicine Associates Pa — 44 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Laredo