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

Mark William Postell, LPC

Individual provider Professional Counselor · NPI 1275065757

Mark William Postell, LPC is a Professional Counselor in San Antonio, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2017
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

18834 Stone Oak Pkwy Ste 104
San Antonio, TX 78258-4113
Phone: (210) 710-7999
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 72513 (TX)

Record details

NPI number1275065757
Entity typeIndividual (Type 1)
GenderMale
Credentials LPC
Sole proprietorYes
NPI enumeratedApril 3, 2017
Last updated in NPPESApril 3, 2017

Other providers in San Antonio