Francisco J. Diaz Viera, DO

Practice locations

Addresses where Francisco J. Diaz Viera is enrolled with Medicare (CMS data updated October 2, 2026).

• 6818 Austin Ctr Blvd, Suite 205Austin, TX 78731 (512) 344‑0450
• 940 Hesters Crossing RdRound Rock, TX 78681 (512) 244‑9024

Group practices

Medicare enrollment lists Francisco J. Diaz Viera as a member of this group (CMS data updated October 2, 2026).

• Austin Regional Clinic PA397 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in Austin

Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.

• Srilakshmi Vallabhaneni, MD
• Stanley S. Wang, MD
• Darren E. Harrison, MD
• Saamir A. Hassan, MD
• Parul M. Desai, MD
• Steven Alexander, MD
• Erol H. Ozdil, MD
• Isadora Sande Mathias, MD

All cardiologists in Austin →

Other clinicians in Austin Regional Clinic PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Marco A. Jurado, AU
• Anuja B. Khunti, DO
• Theodore D. Smith, DO
• Michael D. Newman, MD
• Olivia C. Cummins, PA
• Austin A. Lindsey, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians