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Marielle Mershart, LCSW
NPI 1841322120 · Clinical Social Worker · Chicago, IL
Marielle Mershart, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1841322120).
Provider details
- NPI number
- 1841322120
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 149-011891 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
3033 W Touhy Ave
Chicago, IL 60645-2833
Phone: (773) 761-4550
Street-level locationGet directions
Mailing address
3033 W Touhy Ave
Chicago, IL 60645-2833
Registry dates
- Enumerated
- 2007-03-12
- Last updated
- 2008-08-13
Frequently asked questions
- What is Marielle Mershart's NPI number?
- Marielle Mershart's National Provider Identifier (NPI) is 1841322120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marielle Mershart's specialty?
- Marielle Mershart is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marielle Mershart located?
- Marielle Mershart's practice location on file with NPPES is 3033 W Touhy Ave, Chicago, IL 60645-2833.
- What is Marielle Mershart's phone number?
- The practice phone number listed in the NPPES registry for Marielle Mershart is (773) 761-4550.
- Is Marielle Mershart's NPI active?
- Yes — Marielle Mershart's NPI (1841322120) is active in the NPPES registry as of the last update on 2008-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.