Marques Cosby Sr., LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

149.027563 Issued in IL

Practice address

18 Chicago Ave
Oak Park, IL 60302-2402

Phone

(773) 253-3933

NPI assigned

Mar 16, 2022

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Oak Street Health Physicians Group PCGroup PAC ID 7517109879, 227 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Oak Street Health Physicians Group, PC

  • Primary Care Clinic/Center
  • Chicago, IL
  • NPI 1083051643
  Medicare reassignment Care Compare group NPD
• Cosby Holistic Solutions LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Chicago, IL
  • NPI 1902630189
  NPD Authorized official
• Osh-Il Physicians Group LLC

  • Primary Care Clinic/Center
  • East Saint Louis, IL
  • NPI 1265977698
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1647388800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750377600000",
    "number": "1619625795",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 746715",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303746715",
            "telephone_number": "773-352-1515",
            "fax_number": "312-929-0373"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18 CHICAGO AVE",
            "city": "OAK PARK",
            "state": "IL",
            "postal_code": "603022402",
            "telephone_number": "773-253-3933"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10027 S Maplewood Ave",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606551058",
            "country_code": "US",
            "telephone_number": "312-478-6721",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COSBY",
        "first_name": "MARQUES",
        "name_prefix": "Mr.",
        "name_suffix": "Sr.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-16",
        "last_updated": "2025-06-20",
        "certification_date": "2025-06-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149.027563",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Meagan M Corriveau, PT,DPT
• Joseph J Cortese, LCSW
• Jackeline Cortez
• Patricia Cortez
• Heather Lea Corwin, PHD, LPC, RME, MFA
• Chanel Mulan Cosey
• Jennifer Costello, LCSW, RD
• Sarah Katherine Costianis, DC
• Daniel Lawrence Cotter, MD
• Donna Lee Cotton, PSY.D., LCPC

• Clinical Social Worker in Oak Park, IL
• Providers in Oak Park, IL by specialty
• Clinical Social Worker in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.