NPI age
7 years
Enumerated 2019-05-23
● Active
Type 1 · Individual
DR. Francisco Javier Diaz Viera, MD
Diaz Viera is 1 of 83 internal medicine providers in Austin and 1 of 2301 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-02-05
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2301 active internal medicine providers in Texas.
NPI age
7 years
↓ 12 yr below median (19 yr)
State licenses
1 state
11% of peers hold multiple states
Subspecialties
1
In the 37% of peers with subspecialties
NPI lifetime · 2019 → 2026
2019-05Enumerated in NPPES
2019
2026
Where they practice
Practice location
6818 Austin Center Blvd Ste 205
Austin, TX 787313100
Mailing address
6210 E Hwy 290
Austin, TX 787231142
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 11 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.