Gregory Keith Cook, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

4442 Issued in CO

Practice address

9660 Ralston Rd Ste 200
Arvada, CO 80004-4972

Phone

(303) 292-9992

NPI assigned

Jan 10, 2007

Last updated

Oct 22, 2025By the provider in NPPES

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 CO

Enrollment records 1

Specialty

Chiropractic

Education

Western States College of Chiropractic, 1997

Medicare assignment

May accept Medicare assignment

Group practices

Downtowns Health Care LLCGroup PAC ID 2860655123, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Downtowns Health Care LLC

  dba ReGen Revolution

  • Family Medicine Physician
  • Arvada, CO
  • NPI 1265701049

  Chiropractor

  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1168387200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1154470805",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2070 S INGALLS WAY",
            "city": "LAKEWOOD",
            "state": "CO",
            "postal_code": "802272515",
            "telephone_number": "303-909-0702"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9660 RALSTON RD STE 200",
            "city": "ARVADA",
            "state": "CO",
            "postal_code": "800044972",
            "telephone_number": "303-292-9992"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COOK",
        "first_name": "GREGORY",
        "middle_name": "KEITH",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-10",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "CO",
            "license": "4442",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Charles Mathew Connolly, PTA
• Sheila Marie Connolly, LMHC
• Alexa Thais Contreras
• Jolene Frances Conway Clatterbuck, MA
• Brian Cook
• Kayla Michelle Cook, ND
• Lacy Bassham Cook, PHARMD
• Elizabeth Lynn Cooke, LCSW
• Janet L. Coon, LCSW
• Anna Cooper

• Chiropractor in Arvada, CO
• Providers in Arvada, CO by specialty
• Chiropractor in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 2025; 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.