Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John A. Ayala, MD

Individual provider Specialist · NPI 1346329455

Dr. John A. Ayala, MD is a Specialist in San Antonio, Texas. Practices as a sole proprietor. Licensed in Texas.

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

4499 Medical Dr Ste 301
San Antonio, TX 78229-3735
Phone: (210) 692-3223
Fax: (210) 692-3224
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Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence J1851 (TX)

Record details

NPI number1346329455
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 2, 2006
Last updated in NPPESJanuary 7, 2010
Mailing address4499 Medical Dr, Suite 301, San Antonio, TX 78229-3735

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