Marilyn Thomas, LCAC, MHS, MSED
NPI 1174029235 · Addiction (Substance Use Disorder) Counselor · Merrillville, IN
Marilyn Thomas, LCAC, MHS, MSED is a Addiction (Substance Use Disorder) Counselor provider in Merrillville, IN (NPI 1174029235).
Provider details
- NPI number
- 1174029235
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LCAC, MHS, MSED
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Registry dates
- Enumerated
- 2018-04-05
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Marilyn Thomas's NPI number?
- Marilyn Thomas's National Provider Identifier (NPI) is 1174029235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Thomas's specialty?
- Marilyn Thomas is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marilyn Thomas located?
- Marilyn Thomas's practice location on file with NPPES is 5164 E 81st Ave Ste 380, Merrillville, IN 46410-5852.
- What is Marilyn Thomas's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Thomas is (219) 798-4106.
- Is Marilyn Thomas's NPI active?
- Yes — Marilyn Thomas's NPI (1174029235) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.