Active NPI
John J Harris, M.D.
- Family Medicine Physician
- Texarkana, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- N4453
- 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
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 | 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Other, 2004
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
| License | State | Type | Specialty |
|---|---|---|---|
| N4453 | TX | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Round Table Specialist Group, PLLC | Emergency Medicine | Current | Accepting new patients |
| Round Table Physicians Group PLLC | Current | Accepting new patients | |
| Acute Care Specialists | Emergency Medicine | Current | Accepting new patients |
| Texarkana Ketamine Clinic, PLLC | Family Medicine | Current | Accepting new patients |
| Union Emergency Physicians, PLLC | Emergency Medicine | Current | Accepting new patients |
| Northeast Texas Emergency Physicians, PLLC | Emergency Medicine | Current | Accepting new patients |
| Big Leap Medical Group of America P.a. | Emergency Medicine | Current | Accepting new patients |
| Travis County Emergency Physicians PA | Emergency Medicine | Current | 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
- 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.
-
- Emergency Medical Services (Emergency Medicine) Physician
- Bellaire, TX
- NPI 1023439114
-
- Family Medicine Physician
- Texarkana, TX
- NPI 1528795317
-
- Psychiatry Physician
- New York, NY
- NPI 1720886807
Emergency Medicine, TX
-
- Emergency Medicine Physician
- Longview, TX
- NPI 1740655273
-
- Emergency Medicine Physician
- Longview, TX
- NPI 1114607611
-
- Emergency Medicine Physician
- Austin, TX
- NPI 1962440933
-
- Emergency Medicine Physician
- Texarkana, TX
- NPI 1023798501
-
- Emergency Medicine Physician
- Houston, TX
- NPI 1497152268
-
- Emergency Medicine Physician
- Texarkana, TX
- NPI 1326071788
-
- Neurological Surgery Physician
- New York, NY
- NPI 1821841503
Emergency Medicine
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 2026; 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.