Active NPI
Mark S. Malone, MD
- Family Medicine Physician
- Fort Defiance, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- J6560
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 131726001 | Medicaid | AR | |
| 5K474 | Other | AR | AR BLUE SHIELD # |
| 203997002 | Medicaid | MO |
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Texas a & M University System, HSC, College of Medicine, 1993
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| E1291 | AR | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Christus Trinity Clinic Texas | Family Medicine | Current | Accepting new patients |
| North Texas Physician Services, PLLC | Current | Accepting new patients | |
| The Fort Defiance Indian Hospital Board, Incorporation | Current | Accepting new patients | |
| Christus Trinity Clinic Texas | Current | 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
- 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.
-
- General Acute Care Hospital
- Fort Defiance, AZ
- NPI 1477876639
TX
-
- Internal Medicine Physician
- Longview, TX
- NPI 1992586150
-
- Family Medicine Physician
- Tyler, TX
- NPI 1285684225
-
- Rural Health Clinic/Center
- Winnsboro, TX
- NPI 1801673165
-
- General Acute Care Hospital
- Longview, TX
- NPI 1124092036
-
- Rural Health Clinic/Center
- Daingerfield, TX
- NPI 1619124658
-
- General Acute Care Hospital
- Gilmer, TX
- NPI 1295719227
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 31, 2025; 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.
- 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.