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

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.

See every abbreviation used in this directory →

Practice location Address checks out

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

Pin is approximate — placed at the ZIP-code centre, not the exact door.

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

Other providers in Austin