Cristen Flewellen, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

125.088116 Issued in IL

Practice address

1475 E Belvidere Rd Unit 385
Grayslake, IL 60030-2026

Phone

(847) 535-7157

NPI assigned

Mar 30, 2026

Last updated

Jun 10, 2026By the provider in NPPES

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)

Not enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1774828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781049600000",
    "number": "1811837867",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1475 E BELVIDERE RD UNIT 385",
            "city": "GRAYSLAKE",
            "state": "IL",
            "postal_code": "600302026",
            "telephone_number": "847-535-7157"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1475 E BELVIDERE RD UNIT 385",
            "city": "GRAYSLAKE",
            "state": "IL",
            "postal_code": "600302026",
            "telephone_number": "847-535-7157"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLEWELLEN",
        "first_name": "CRISTEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-03-30",
        "last_updated": "2026-06-10",
        "certification_date": "2026-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "125.088116",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Family Medicine Physician in Grayslake, IL
• Providers in Grayslake, IL by specialty
• Family Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 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.