Colin Fadzen, MD PHD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

8333 Issued in MD

Practice address

225 E Chicago Ave
Chicago, IL 60611-2991

Phone

(312) 227-4000

NPI assigned

Mar 25, 2020

Sex

Male

Sole proprietor

Yes

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 MD

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, Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1585094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751241600000",
    "number": "1639706161",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "312-227-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FADZEN",
        "first_name": "COLIN",
        "name_prefix": "Dr.",
        "credential": "MD PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-03-25",
        "last_updated": "2025-06-30",
        "certification_date": "2025-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MD",
            "license": "8333",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Titilayo Fadiya
• Riskat Fadonougbo, PMHNP
• Joan Olubunmi Fadonugbo-Kuton, APN
• Cassandra Rose Fadowole
• Olayinka Stephen Fadowole, PHARMD
• Danette Fadzl, MEDICAL BILLING
• Patricia Faerber, PT, DPT
• Mariaelena J. Fagadore, CNP
• Brian J Fagan
• Eilis M Fagan, LCSW

• Surgery Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Surgery Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.