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

Dr. Francisco Javier Diaz Viera, MD

Individual provider Cardiovascular Disease Physician · NPI 1174180269

Dr. Francisco Javier Diaz Viera, MD is a Cardiovascular Disease (Cardiology) in Austin, Texas. Qualified in 2019, 7 years ago. Practices with Austin Regional Clinic PA, a 397-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
7
Licensed in
TX
In the registry since
2019
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

6818 Austin Center Blvd Ste 205
Austin, TX 78731-3100
Phone: (512) 344-0450
Fax: (512) 406-7318
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence T9901 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 693889 (TX)

Record details

NPI number1174180269
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2019
Last updated in NPPESFebruary 5, 2026
Certification dateFebruary 5, 2026

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Austin Regional Clinic Pa — 397 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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