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

Mr. John L. Troutner, MD

Individual provider Psychiatry Physician · NPI 1023195385

Mr. John L. Troutner, MD is a Psychiatry Physician in Round Rock, 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

302 University Blvd
Round Rock, TX 78665-1032
Phone: (512) 509-8404
Fax: (512) 509-5328
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence J9399 (TX)

Record details

NPI number1023195385
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESOctober 30, 2009
Mailing address302 University Blvd, Round Rock, TX 78665-1032

Other providers in Round Rock