Northwest Indiana Treatment Center, LLC
NPI 1366838336 · Methadone Clinic · Merrillville, IN
Enrolled with Medicare as Part B Supplier - Opioid Treatment Program (otp) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Northwest Indiana Treatment Center, LLC is a Methadone Clinic organization in Merrillville, IN (NPI 1366838336).
Provider details
- NPI number
- 1366838336
- Entity type
- Organization
- Primary specialty
- Methadone ClinicAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Bruce Jarvie, Vp, Treasurer(214) 379-3300
Specialties & taxonomies
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Medmark Treatment Centers Merrillville
Registry dates
- Enumerated
- 2015-04-07
- Last updated
- 2024-07-29
- Certified
- 2024-07-29
Frequently asked questions
- What is Northwest Indiana Treatment Center, LLC's NPI number?
- Northwest Indiana Treatment Center, LLC's National Provider Identifier (NPI) is 1366838336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northwest Indiana Treatment Center, LLC?
- Northwest Indiana Treatment Center, LLC is classified in the NPPES registry as Methadone Clinic (Ambulatory Health Care Facilities).
- Where is Northwest Indiana Treatment Center, LLC located?
- Northwest Indiana Treatment Center, LLC's practice location on file with NPPES is 8500 Broadway, Merrillville, IN 46410-7006.
- What is Northwest Indiana Treatment Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Northwest Indiana Treatment Center, LLC is (219) 769-7710.
- Does Northwest Indiana Treatment Center, LLC accept Medicare?
- Northwest Indiana Treatment Center, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Northwest Indiana Treatment Center, LLC?
- The authorized official listed on Northwest Indiana Treatment Center, LLC's NPPES record is Bruce Jarvie, Vp, Treasurer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northwest Indiana Treatment Center, LLC's NPI active?
- Yes — Northwest Indiana Treatment Center, LLC's NPI (1366838336) is active in the NPPES registry as of the last update on 2024-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.