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Mallory Mareski, LCSW
NPI 1154916815 · Clinical Social Worker · Chicago, IL
Mallory Mareski, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1154916815).
Provider details
- NPI number
- 1154916815
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 149.022986 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
111 N Wabash Ave, Suite 100, #3946
Chicago, IL 60602-5626
Phone: (708) 573-1920
Street-level locationGet directions
Mailing address
111 N Wabash Ave, Suite 100, #3946
Chicago, IL 60602-5626
Registry dates
- Enumerated
- 2021-03-04
- Last updated
- 2024-10-09
- Certified
- 2024-10-09
Frequently asked questions
- What is Mallory Mareski's NPI number?
- Mallory Mareski's National Provider Identifier (NPI) is 1154916815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Mareski's specialty?
- Mallory Mareski is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mallory Mareski located?
- Mallory Mareski's practice location on file with NPPES is 111 N Wabash Ave, Suite 100, #3946, Chicago, IL 60602-5626.
- What is Mallory Mareski's phone number?
- The practice phone number listed in the NPPES registry for Mallory Mareski is (708) 573-1920.
- Is Mallory Mareski's NPI active?
- Yes — Mallory Mareski's NPI (1154916815) is active in the NPPES registry as of the last update on 2024-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.