Brenda Guillen, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

125.086852 Issued in IL

Practice address

1620 W Harrison St
Chicago, IL 60612-3801

Phone

(312) 942-5000

NPI assigned

Apr 17, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1744848000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750550400000",
    "number": "1649066325",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1620 W HARRISON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123801"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1620 W HARRISON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123801",
            "telephone_number": "312-942-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUILLEN",
        "first_name": "BRENDA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-04-17",
        "last_updated": "2025-06-22",
        "certification_date": "2025-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": "125.086852",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Daniel Andres Guifarro Rivera, MD
• Guile'S Eyewear Boutique Inc.
• Elizabeth A Guilfoile, LMFT
• John Genevieve Guilfoile, LCSW
• Angelica Guillen, LCSW
• Christina Guillen, PHARMD
• Jennifer Guillen
• Marc Guillen, PT, DPT
• Michelle Guillen, LMHC
• Vanessa Guillen

• Obstetrics & Gynecology Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Obstetrics & Gynecology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.