Individual provider Active NPI

Mark S. Malone, MD

  • Family Medicine Physician
  • Fort Defiance, AZ
National Provider Identifier
1487744827
Registry record updated Oct 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
J6560 Issued in TX
Practice address
Corner of Route N12 and N7
Fort Defiance, AZ 86504
Phone
(928) 729-8000
NPI assigned
Oct 14, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 31, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X J6560 TX Primary
Family Medicine Physician 207Q00000X E1291 AR

Addresses

Primary practice location

Corner of Route N12 and N7
Fort Defiance, AZ 86504

Mailing address

PO Box 649
Fort Defiance, AZ 86504-0649
Phone (928) 729-8000

Other practice location 1

711 Titus St
Gilmer, TX 75644-1738
Phone (903) 841-7300

Other identifiers 3

IdentifierTypeStateIssuer
131726001MedicaidAR
5K474OtherARAR BLUE SHIELD #
203997002MedicaidMO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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 1

Enrollment IDStateProvider typePAC IDDetails
I20100728000603 TX Practitioner - Family PracticePractitioner - Pathology 1456322205 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family PracticeAlso: Pathology
Education
Texas a & M University System, HSC, College of Medicine, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North Texas Physician Services, PLLCGroup PAC ID 6305295429, 236 clinicians
The Fort Defiance Indian Hospital Board, IncorporationGroup PAC ID 0941336697, 153 clinicians

Practice addresses (Care Compare)

700 E Marshall Ave
Longview, TX 75601-5580
Phone (903) 315-2000

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

  • Fort Defiance Indian Hospital Hospital, Ft. Defiance, AZ, CCN 030071

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
E1291ARMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Christus Trinity Clinic Texas Family Medicine CurrentSince Aug 7, 2017 Accepting new patients
North Texas Physician Services, PLLC CurrentSince Apr 1, 2024 Accepting new patients
The Fort Defiance Indian Hospital Board, Incorporation CurrentSince Oct 27, 2025 Accepting new patients
Christus Trinity Clinic Texas CurrentSince Aug 7, 2017 Accepting new patients
East Texas Medical Center-Gilmer Past Accepting new patients
East Texas Medical Center Gilmer Past Accepting new patients
Christus Good Shepherd Medical Center Past Accepting new patients

Locations

700 E Marshall Ave
Longview, TX 75601
Phone (903) 236-2000

811 S Washington Ave
Marshall, TX 75670
Phone (903) 315-1488

117 N Winnsboro St
Quitman, TX 75783
Phone (903) 763-4505

1000 S Beckham Ave
Tyler, TX 75701
Phone (903) 526-1068

630 S Fleishel Ave
Tyler, TX 75701
Phone (903) 510-8888

Interoperability endpoints

  • Direct secure messaging: mmalone152376@christushealth.direct-ci.net

Organizations & group practices 7

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.

NPI Registry JSON

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

{
    "created_epoch": "1160784000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761868800000",
    "number": "1487744827",
    "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",
            "telephone_number": "928-729-8000"
        },
        {
            "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": [
        {
            "address_1": "711 Titus St",
            "address_purpose": "LOCATION",
            "city": "Gilmer",
            "state": "TX",
            "postal_code": "756441738",
            "country_code": "US",
            "telephone_number": "903-841-7300",
            "fax_number": "903-841-7373",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MALONE",
        "first_name": "MARK",
        "middle_name": "S.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-14",
        "last_updated": "2025-10-31",
        "certification_date": "2025-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TX",
            "license": "J6560",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "AR",
            "license": "E1291",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "131726001",
            "state": "AR"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AR BLUE SHIELD #",
            "identifier": "5K474",
            "state": "AR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "203997002",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Defiance, AZ

Sources for this page

Verify at the official NPI Registry.