Gregory John Donnelly, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

7865 Issued in AZ

Practice address

177 W Cottonwood LN Ste 11
Casa Grande, AZ 85122-2552

Phone

(520) 836-0666

Fax

(520) 836-9273

NPI assigned

Oct 25, 2007

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 AZ

Enrollment records 1

Specialty

Chiropractic

Education

Palmer College Chiropractic - Davenport, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Donnelly Chiropractic and Associates PLLCGroup PAC ID 0840352050, 2 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.

• Donnelly Chiropractic & Associates PLLC

  • Chiropractor
  • Casa Grande, AZ
  • NPI 1952550717
  Medicare reassignment Care Compare group NPD Authorized official
• My Nurse Doc CG PLLC

  • Primary Care Clinic/Center
  • Casa Grande, AZ
  • NPI 1831766633
  NPD (past)

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

{
    "created_epoch": "1193270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1295914372",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "177 W COTTONWOOD LN STE 11",
            "city": "CASA GRANDE",
            "state": "AZ",
            "postal_code": "851222552",
            "telephone_number": "520-836-0666",
            "fax_number": "520-836-9273"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "177 W COTTONWOOD LN STE 11",
            "city": "CASA GRANDE",
            "state": "AZ",
            "postal_code": "851222552",
            "telephone_number": "520-836-0666",
            "fax_number": "520-836-9273"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "121 W Florence Blvd",
            "address_2": "suite J",
            "address_purpose": "LOCATION",
            "city": "Casa Grande",
            "state": "AZ",
            "postal_code": "851224089",
            "country_code": "US",
            "telephone_number": "520-709-1937",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "121 W Florence Blvd",
            "address_2": "suite J",
            "address_purpose": "LOCATION",
            "city": "Casa Grande",
            "state": "AZ",
            "postal_code": "851224089",
            "country_code": "US",
            "telephone_number": "520-709-1937",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DONNELLY",
        "first_name": "GREGORY",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-10-25",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "AZ",
            "license": "7865",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Doctors Choice Mobility and Medical Supplies LLC
• Mikayla Quinn Dolce, DMD
• Donald W Hill, MD, PC
• Ivy Dong, RPH
• Donnelly Chiropractic & Associates PLLC
• Anne Donos, NP-C
• Karthik Donuur, M.D.
• Dr. Castro & Associates, PC
• Dr. Franklin H Baroi, PC
• Dr. Jeffrey D Mitchell LLC

• Chiropractor in Casa Grande, AZ
• Providers in Casa Grande, AZ by specialty
• Chiropractor in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 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.