Individual provider Active NPI

Gregory R Montoya, MD

  • Psychiatry Physician
  • Texarkana, TX
National Provider Identifier
1083614176
Registry record updated Jul 14, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
H5012 Issued in TX
Practice address
1902 Galleria Oaks Dr
Texarkana, TX 75503-4619
Phone
(903) 614-3800
Fax
(903) 614-3525
NPI assigned
Jul 29, 2005
Last updated
Jul 14, 2007By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 14, 2007

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X H5012 TX Primary
Psychiatry Physician 2084P0800X E3176 AR

Addresses

Primary practice location

1902 Galleria Oaks Dr
Texarkana, TX 75503-4619

Mailing address

5002 Cowhorn Creek Rd
Texarkana, TX 75503-9766
Phone (903) 614-3000

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
I20070810000750 TX Practitioner - Psychiatry 3173614765 Reassigns benefits to 2 organizations
Practice locations: Texarkana, TX

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
University of Texas Medical School at San Antonio, 1974
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

7470 State Hwy 154
Marshall, TX 75670-4752
Phone 90392714664752

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Core Health Systems Psychiatry CurrentSince Feb 4, 2026 Accepting new patients
Core Health Systems Psychiatry CurrentSince Feb 4, 2026 Accepting new patients
Sabine Valley Regional MHMR Center Psychiatry CurrentSince Dec 1, 2006 Accepting new patients
Sabine Valley Regional MHMR Center CurrentSince Dec 1, 2006 Accepting new patients
Northeast Texas Mental Health Mental Retardation Center Past Accepting new patients

Locations

1007 S William St
Atlanta, TX 75551
Phone (903) 614-2000

107 Woodbine Pl
Longview, TX 75601
Phone (800) 446-8253

1300 N 6th St
Longview, TX 75601
Phone (903) 232-8928

7470 State Highway 154
Marshall, TX 75670
Phone 90392714664752

2435 College Dr
Texarkana, TX 75501
Phone (903) 255-1240

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 5

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1122595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1184371200000",
    "number": "1083614176",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5002 COWHORN CREEK RD",
            "city": "TEXARKANA",
            "state": "TX",
            "postal_code": "755039766",
            "telephone_number": "903-614-3000",
            "fax_number": "903-614-3525"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1902 GALLERIA OAKS DR",
            "city": "TEXARKANA",
            "state": "TX",
            "postal_code": "755034619",
            "telephone_number": "903-614-3800",
            "fax_number": "903-614-3525"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MONTOYA",
        "first_name": "GREGORY",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-29",
        "last_updated": "2007-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "H5012",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "AR",
            "license": "E3176",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Texarkana, TX

Sources for this page

Verify at the official NPI Registry.