Marlene M Alejos, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

36054594 Issued in IL

Practice address

7400 183Rd St
Tinley Park, IL 60477-3688

Phone

(708) 614-4000

NPI assigned

Sep 13, 2005

Sex

Female

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Metropolitan Family Services

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Chicago, IL
  • NPI 1841460391
  NPD (past)
• Metropolitan Family Services

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Chicago, IL
  • NPI 1992767032
  NPD (past)

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

{
    "created_epoch": "1126569600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1619962933",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7400 183RD ST",
            "city": "TINLEY PARK",
            "state": "IL",
            "postal_code": "604773688",
            "telephone_number": "708-614-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7400 183RD ST",
            "city": "TINLEY PARK",
            "state": "IL",
            "postal_code": "604773688",
            "telephone_number": "708-614-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALEJOS",
        "first_name": "MARLENE",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-09-13",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "IL",
            "license": "36054594",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kaley Albrecht
• Joslyn M Albright, MD
• Marissa Alcala
• Miguel Jaen Alcordo, M.D.
• Nabila Alcordo, RD
• Cynthia Aleo, LCSW
• Troy Alexander-El, MD
• Darlene Katrina Alexander, LCPC,NCC,MA
• Marcus Alexander, RBT
• Ross David Alexander, LCSW

• Specialist in Tinley Park, IL
• Providers in Tinley Park, IL by specialty
• Specialist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.