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

Dr. Mark T Houston, MD

Individual provider Family Medicine Physician · NPI 1689640344

Dr. Mark T Houston, MD is a Family Medicine Physician in Ballwin, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
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

15945 Clayton Rd Ste 330
Ballwin, MO 63011-2490
Phone: (636) 256-5380
Fax: (636) 256-5396
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence R2D71 (MO)

Record details

NPI number1689640344
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 23, 2006
Last updated in NPPESJuly 23, 2015
Mailing address15945 Clayton Rd, Suite 330, Ballwin, MO 63011-2490

Other providers in Ballwin