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

Louis G. Johnston, LCDC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1265783633

Louis G. Johnston, LCDC is an Addiction (Substance Use Disorder) Counselor in Longview, Texas. Works from 2 locations. Licensed in Texas.

Licensed in
TX
In the registry since
2012

Practice location Address checks out

425 N Fredonia St
Longview, TX 75601-6464
Phone: (903) 758-2610
Fax: (903) 758-7081
Show map & directions

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

Additional practice locations (1)

  • 1107 E Marshall Ave, Longview, TX 75601-5602 — (903) 758-2610

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 11267 (TX)

Record details

NPI number1265783633
Entity typeIndividual (Type 1)
GenderMale
Credentials LCDC
Sole proprietorNo
NPI enumeratedSeptember 26, 2012
Last updated in NPPESAugust 26, 2025
Certification dateAugust 26, 2025

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