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

Dr. John Robert Marietta, MD

Individual provider Specialist · NPI 1114033693

Dr. John Robert Marietta, 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

6101 Balcones Dr Ste 300
Austin, TX 78731-4277
Phone: (512) 482-0045
Fax: (512) 476-9892
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Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence E8690 (TX)

Record details

NPI number1114033693
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESJuly 8, 2007
Mailing address6101 Balcones Dr Ste 300, Austin, TX 78731-4277

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