Dana Margaret Steffen, MBA, RDN, LDN

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

164.022744 Issued in IL

Practice address

29 S Webster St Ste 230
Naperville, IL 60540-5356

Phone

(331) 213-2051

NPI assigned

Sep 4, 2025

Last updated

Sep 4, 2025By the provider in NPPES

Sex

Female

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Business Administration

State licenses

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

{
    "created_epoch": "1756944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1316827983",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1220 W JACKSON BLVD APT 417",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606073145",
            "telephone_number": "847-224-6972"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "29 S WEBSTER ST STE 230",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605405356",
            "telephone_number": "331-213-2051"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEFFEN",
        "first_name": "DANA",
        "middle_name": "MARGARET",
        "credential": "MBA, RDN, LDN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-09-04",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "IL",
            "license": "164.022744",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David Stasior, M.D.
• Lori Stauch, O.D.
• Cynthia Stedman, DPT
• Linda Steeb, DO
• Ashley Stefanski, PHARMD
• Roberta Sue Stege, LCPC, CADC
• Emilija Steigvilaite
• Alome L Stein, PSY.D.
• Olivia Steinberg
• Stephen P. Steinmetz, O.D.

• Registered Dietitian in Naperville, IL
• Providers in Naperville, IL by specialty
• Registered Dietitian in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2025; 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.