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

Bala Viswanathan, MD

Individual provider Surgery Physician · NPI 1356375976

Bala Viswanathan, MD is a General Surgery in San Antonio, Texas. Qualified in 1974, 52 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
52
Licensed in
TX
In the registry since
2006
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

19260 Stone Oak Pkwy Ste 102
San Antonio, TX 78258-3365
Phone: (210) 545-5455
Fax: (210) 545-0222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence G8766 (TX)

Record details

NPI number1356375976
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 10, 2006
Last updated in NPPESAugust 4, 2008
Mailing address19260 Stone Oak Pkwy, Suite 102, San Antonio, TX 78258-3365

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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