Individual provider Active NPI

Chuck L Ball, MD

  • Internal Medicine Physician
  • Fort Defiance, AZ
National Provider Identifier
1821253535
Registry record updated Aug 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
0101250915 Issued in VA
Practice address
Corner of Route N12 and N7
Fort Defiance, AZ 86504
Phone
(928) 729-8000
NPI assigned
Jul 22, 2008
Last updated
Aug 3, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 3, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 0101250915 VA Primary

Addresses

Primary practice location

Corner of Route N12 and N7
Fort Defiance, AZ 86504

Mailing address

PO Box 649
Fort Defiance, AZ 86504-0649

Other identifiers 3

IdentifierTypeStateIssuer
VAD000OtherTNFEDERAL UPIN
1821253535MedicaidVA
VV4469OtherVAMEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, TX2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20120118000682 VA Practitioner - Internal Medicine 9830366681 Reassigns benefits to 2 organizations
I20240517000708 TX Practitioner - Internal Medicine 9830366681 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

Corner of Route N12 and N7
Fdihb Inc.
Fort Defiance, AZ 86504-0649
Phone (928) 729-8082

PO Box
Suite 649
Fort Defiance, AZ 86504-0649

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Geisinger Clinic Current Accepting new patients
Salman M Akbar Internal Medicine CurrentSince May 15, 2021 Accepting new patients
The Fort Defiance Indian Hospital Board, Incorporation CurrentSince Jun 10, 2024 Accepting new patients
Geisinger Clinic CurrentSince Jul 5, 2014 Accepting new patients
Primary Care Center LLC CurrentSince Feb 26, 2024 Accepting new patients
Geisinger Clinic CurrentSince Jul 5, 2014 Accepting new patients

Locations

100 N Academy Ave
Danville, PA 17822

909 Hioaks Rd
Ste Fg
Richmond, VA 23225
Phone (804) 330-5452

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1216684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1821253535",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 649",
            "city": "FORT DEFIANCE",
            "state": "AZ",
            "postal_code": "865040649"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "CORNER OF ROUTE N12 AND N7",
            "city": "FORT DEFIANCE",
            "state": "AZ",
            "postal_code": "86504",
            "telephone_number": "928-729-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BALL",
        "first_name": "CHUCK",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-22",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101250915",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FEDERAL UPIN",
            "identifier": "VAD000",
            "state": "TN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1821253535",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE",
            "identifier": "VV4469",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Defiance, AZ

Sources for this page

Verify at the official NPI Registry.