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

Northwest Indiana Treatment Center, LLC

Organization Methadone Clinic · NPI 1366838336

Northwest Indiana Treatment Center, LLC is a Methadone Clinic in Merrillville, Indiana. Registered with an NPI since 2015.

In the registry since
2015
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

8500 Broadway Ste H
Merrillville, IN 46410-7006
Phone: (219) 769-7710
Fax: (219) 769-7758
Show map & directions

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

Specialties & licences

Methadone Clinic (primary) Taxonomy 261QM2800X
Substance Use Disorder Rehabilitation Clinic/Center Taxonomy 261QR0405X

Record details

NPI number1366838336
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Bruce Jarvie — Vp, Treasurer · (214) 379-3300
Other names Medmark Treatment Centers Merrillville
NPI enumeratedApril 7, 2015
Last updated in NPPESJuly 29, 2024
Certification dateJuly 29, 2024
Mailing address1720 Lakepointe Drive, Suite 117, Lewisville, TX 75057-6425