Marques Cosby, LCSW
NPI 1619625795 · Clinical Social Worker · Oak Park, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marques Cosby, LCSW is a Clinical Social Worker provider in Oak Park, IL (NPI 1619625795).
Provider details
- NPI number
- 1619625795
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 149.027563 (IL)
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
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 10027 S Maplewood AveChicago, IL 60655-1058Phone: (312) 478-6721
Registry dates
- Enumerated
- 2022-03-16
- Last updated
- 2025-06-20
- Certified
- 2025-06-20
Frequently asked questions
- What is Marques Cosby's NPI number?
- Marques Cosby's National Provider Identifier (NPI) is 1619625795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marques Cosby's specialty?
- Marques Cosby is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marques Cosby located?
- Marques Cosby's practice location on file with NPPES is 18 Chicago Ave, Oak Park, IL 60302-2402.
- What is Marques Cosby's phone number?
- The practice phone number listed in the NPPES registry for Marques Cosby is (773) 253-3933.
- Does Marques Cosby accept Medicare?
- Marques Cosby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marques Cosby's NPI active?
- Yes — Marques Cosby's NPI (1619625795) is active in the NPPES registry as of the last update on 2025-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.