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

Marilyn Thomas, LCAC, MHS, MSED

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1174029235

Marilyn Thomas, LCAC, MHS, MSED is an Addiction (Substance Use Disorder) Counselor in Merrillville, Indiana. Licensed in Indiana. Registered with an NPI since 2018.

Licensed in
IN
In the registry since
2018

Practice location Address checks out

5164 E 81st Ave Ste 380
Merrillville, IN 46410-5852
Phone: (219) 798-4106
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 (IN)

Record details

NPI number1174029235
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCAC , MHS , MSED
Sole proprietorNo
NPI enumeratedApril 5, 2018
Last updated in NPPESJanuary 22, 2026
Certification dateJanuary 22, 2026

Other providers in Merrillville