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

Mr. Mark Ambrosious, COUNSELORINTERN

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1811268485

Mr. Mark Ambrosious, COUNSELORINTERN is an Addiction (Substance Use Disorder) Counselor in Longview, Texas. Licensed in Texas. Registered with an NPI since 2012.

Licensed in
TX
In the registry since
2012

Practice location Address checks out

950 N 4th St
Longview, TX 75601-5436
Phone: (903) 758-0596
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 6598 (TX)

Record details

NPI number1811268485
Entity typeIndividual (Type 1)
GenderMale
Credentials COUNSELORINTERN
Sole proprietorNo
NPI enumeratedJanuary 13, 2012
Last updated in NPPESJanuary 13, 2012
Mailing addressPo Box 6800, Longview, TX 75608-6800

Other providers in Longview