Individual provider Active NPI

John J Harris, M.D.

  • Family Medicine Physician
  • Texarkana, TX
National Provider Identifier
1194936013
Registry record updated Apr 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
N4453 Issued in TX
Practice address
4110 Richmond PL
Texarkana, TX 75503-0001
Phone
(430) 294-0284
Fax
(430) 294-0284
NPI assigned
May 24, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 22, 2026

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 N4453 TX Primary
Emergency Medicine Physician 207P00000X N4453 TX

Addresses

Primary practice location

4110 Richmond PL
Texarkana, TX 75503-0001

Mailing address

4110 Richmond PL
Texarkana, TX 75503-0001
Phone (430) 294-0284

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
I20091008000585 TX Practitioner - Family PracticePractitioner - Emergency Medicine 1153406251 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family PracticeAlso: Emergency Medicine
Education
Other, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Big Leap Medical Group of America PAGroup PAC ID 4284159161, 14 clinicians
Round Table Physicians Group PLLCGroup PAC ID 0547682460, 80 clinicians

Practice addresses (Care Compare)

4110 Richmond PL
Texarkana, TX 75503-0001
Phone (786) 305-4192

8910 Hwy 6 S
Houston, TX 77083-6339
Phone (832) 699-3777

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
N4453TXMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Round Table Specialist Group, PLLC Emergency Medicine Current Accepting new patients
Round Table Physicians Group PLLC CurrentSince Jan 5, 2023 Accepting new patients
Acute Care Specialists Emergency Medicine CurrentSince Jul 7, 2022 Accepting new patients
Texarkana Ketamine Clinic, PLLC Family Medicine CurrentSince Sep 29, 2024 Accepting new patients
Union Emergency Physicians, PLLC Emergency Medicine CurrentSince Aug 1, 2023 Accepting new patients
Northeast Texas Emergency Physicians, PLLC Emergency Medicine CurrentSince Aug 1, 2023 Accepting new patients
Big Leap Medical Group of America P.a. Emergency Medicine CurrentSince May 15, 2025 Accepting new patients
Travis County Emergency Physicians PA Emergency Medicine CurrentSince Nov 1, 2018 Accepting new patients
Emergency Associates of Texas, PA Emergency Medicine Past Accepting new patients
Big Leap Medical Group PA Emergency Medicine Past Accepting new patients

Locations

169 Madison Ave
Ste 2828
New York, NY 10016
Phone (332) 330-4076

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

5701 W Slaughter Ln
Bldg G
Austin, TX 78749
Phone (512) 651-5787

7900 Ranch Road 1826
Austin, TX 78737
Phone (512) 324-5305

8910 Highway 6 S
Houston, TX 77083
Phone (281) 258-4351

2615 Southwest Fwy
Ste 140
Houston, TX 77098
Phone (713) 441-2779

11103 Westheimer Rd
Houston, TX 77042
Phone (832) 708-3651

1014 Wirt Rd
Ste 200
Houston, TX 77055
Phone (713) 527-5000

800 W Central Texas Expy
Killeen, TX 76541
Phone (254) 220-4117

6001 Kyle Pkwy
Kyle, TX 78640
Phone (512) 504-5000

1310 E League City Pkwy
League City, TX 77573
Phone (346) 427-5050

323 E Hawkins Pkwy
Longview, TX 75605
Phone (903) 315-2000

11525 Broadway St
Pearland, TX 77584
Phone (713) 363-8020

4110 Richmond Pl
Texarkana, TX 75503
Phone (786) 305-4192

1724 Galleria Oaks Dr
Texarkana, TX 75503
Phone (903) 306-0838

2600 Saint Michael Dr
Texarkana, TX 75503
Phone (903) 614-1000

5520 Christus Dr
Ste A
Texarkana, TX 75503
Phone (430) 200-4350

Interoperability endpoints

  • Direct secure messaging: john.harris.1@20763.direct.athenahealth.com

Organizations & group practices 10

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": "1179964800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1194936013",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4110 RICHMOND PL",
            "city": "TEXARKANA",
            "state": "TX",
            "postal_code": "755030001",
            "telephone_number": "430-294-0284",
            "fax_number": "430-294-0282"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4110 RICHMOND PL",
            "city": "TEXARKANA",
            "state": "TX",
            "postal_code": "755030001",
            "telephone_number": "430-294-0284",
            "fax_number": "430-294-0284"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRIS",
        "first_name": "JOHN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-24",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TX",
            "license": "N4453",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "N4453",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Texarkana, TX

Sources for this page

Verify at the official NPI Registry.