Michelle Lynn Dunajcik, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

2003027879 Issued in MO

Practice address

8915 Veterans Memorial Pkwy
O Fallon, MO 63366-3093

Phone

(636) 240-8989

Fax

(636) 240-6889

NPI assigned

Sep 20, 2006

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

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in MO

Enrollment records 1

Specialty

Chiropractic

Education

Cleveland Chiropractic College - Kansas City, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Shelley Health Center LLCGroup PAC ID 2860490778, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Shelley Health Center, LLC

  • Chiropractor
  • O Fallon, MO
  • NPI 1316031479
  Medicare reassignment Care Compare group NPD
• Perez Family Chiropractic LLC

  • Chiropractor
  • Saint Charles, MO
  • NPI 1740721687
  Medicare reassignment
• Michelle L Dunajcik, LLC

  • Chiropractor
  • Saint Charles, MO
  • NPI 1881881449
  NPD (past) Authorized official
• May Chiropractic, PC

  • Chiropractor
  • O Fallon, MO
  • NPI 1104009976
  NPD (past)

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

{
    "created_epoch": "1158710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1629175658",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8915 VETERANS MEMORIAL PKWY",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633663093",
            "telephone_number": "636-240-8989",
            "fax_number": "636-240-6889"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8915 VETERANS MEMORIAL PKWY",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633663093",
            "telephone_number": "636-240-8989",
            "fax_number": "636-240-6889"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNAJCIK",
        "first_name": "MICHELLE",
        "middle_name": "LYNN",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-09-20",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "MO",
            "license": "2003027879",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "198325",
            "state": "MO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "198325",
            "state": "MO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTH CARE",
            "identifier": "67-72210",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Marissa Drake, RBT
• Emily Michele Drummer, PTA
• Jennifer Ann Dubbert, PT
• Drew Dudek, DPT, ATC
• Sandra Dufrenne, RN
• Keri Lynn Dunivan, OT/L
• Loretta Marie Dunkmann, M.S.
• Carrie Anderson Dunning, LPC
• Molly Marie Dunsworth, MA CCC/SLP
• DW Auto and Mobility

• Chiropractor in O Fallon, MO
• Providers in O Fallon, MO by specialty
• Chiropractor in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.