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

John Rex Wier III, MD

Individual provider Specialist · NPI 1194829267

John Rex Wier III, MD is a Specialist in Austin, Texas. Licensed in Texas. Registered with an NPI since 2006.

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

3724 Jefferson St Ste 111
Austin, TX 78731-6219
Phone: (512) 452-0109
Fax: (512) 452-2706
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X (TX)

Record details

NPI number1194829267
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESJuly 16, 2007
Mailing address3724 Jefferson St, Ste 111, Austin, TX 78731-6219

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