John William Day, DMD, MS

Primary specialty

Orthodontics and Dentofacial Orthopedics DentistryTaxonomy code 1223X0400X

License

2470 Issued in AZ

Practice address

720 N Country Club Rd
Tucson, AZ 85716-4506

Phone

(520) 326-6658

NPI assigned

Jun 17, 2005

Last updated

Jul 13, 2026By the provider in NPPES

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 AZ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

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

• Children's Clinics for Rehabilitative Services

  dba Children's Clinics

  • Multi-Specialty Clinic/Center
  • Tucson, AZ
  • NPI 1063454346
  Medicare reassignment NPD

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

{
    "created_epoch": "1118966400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1447255120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "720 N COUNTRY CLUB RD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857164506",
            "telephone_number": "520-326-6658"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "720 N COUNTRY CLUB RD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857164506",
            "telephone_number": "520-326-6658"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 W Commerce Ct Bldg 1",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857466074",
            "country_code": "US",
            "telephone_number": "520-670-3909",
            "fax_number": "520-309-2560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DAY",
        "first_name": "JOHN",
        "middle_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "DMD, MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-17",
        "last_updated": "2026-07-13",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223X0400X",
            "taxonomy_group": "",
            "desc": "Dentist, Orthodontics and Dentofacial Orthopedics",
            "state": "AZ",
            "license": "2470",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Timothy Dawson II, MD
• Vicki Rae Dawson, MSW
• David Wayne Day, MD
• Elizabeth Valentine Day, LCSW, ACSW, SSWS
• Jerry Richard Day, ED.D
• Nancy Day, RN
• Samuel Evan Day, MD, PHD
• Dayton Iup, LLC
• DC Chiropractic, P.L.L.C.
• Kelsey Nicole De Beer, M.S., CCC-SLP

• Orthodontics and Dentofacial Orthopedics Dentistry in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Orthodontics and Dentofacial Orthopedics Dentistry in Arizona

• 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; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.