Rodney Keith Simmer, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

Practice address

3012 18TH Ave
Rock Island, IL 61201-2939

Phone

(309) 786-4131

Fax

(309) 786-0797

NPI assigned

Mar 9, 2006

Sex

Male

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

Enrolled in IL

Enrollment records 1

Specialty

Chiropractic

Education

Palmer College Chiropractic - West Sunnyvale, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1141862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1255309829",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3012 18TH AVE",
            "city": "ROCK ISLAND",
            "state": "IL",
            "postal_code": "612012939",
            "telephone_number": "309-786-4131",
            "fax_number": "309-786-0797"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3012 18TH AVE",
            "city": "ROCK ISLAND",
            "state": "IL",
            "postal_code": "612012939",
            "telephone_number": "309-786-4131",
            "fax_number": "309-786-0797"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMMER",
        "first_name": "RODNEY",
        "middle_name": "KEITH",
        "credential": "D.C.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alexandria Sierens, ATC, LAT
• Kristie Sierra, MSW
• Haley Sigel, OTR/L
• Grace Christine Sigler, OD
• Vicki Mae Simester, LCPC
• Amanda Skelton
• Gabriella Sloan
• Victoria Smeaton, RN
• Adam Smith, OTR/L
• Anna Smith, MS, AT

• Chiropractor in Rock Island, IL
• Providers in Rock Island, IL by specialty
• Chiropractor 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.