FOUR STATES RETINA PLLC
NPI 1083580815
Ophthalmology - Retina Specialist in Texarkana, TX

NPI Status: Active since October 17, 2025

Contact Information

5501 MEDICAL PARKWAY DR
TEXARKANA, TX
ZIP 75503
Phone: (804) 647-2381
Fax: (903) 204-7745

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  • Organization
  • Ophthalmology
  • Retina Specialist

About FOUR STATES RETINA PLLC

This page provides the complete NPI Profile along with additional information for Four States Retina Pllc, a provider established in Texarkana, Texas operating as a Ophthalmology, focusing in retina specialist . The healthcare provider is registered in the NPI registry with number 1083580815 assigned on October 2025. The practitioner's primary taxonomy code is 207WX0107X. The provider is registered as an organization and their NPI record was last updated February 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Roshan George Md (Owner)

NPI
1083580815
Provider Name
FOUR STATES RETINA PLLC
Entity Type
Organization
Location Address
5501 MEDICAL PARKWAY DR TEXARKANA, TX 75503
Location Phone
(804) 647-2381
Location Fax
(903) 204-7745
Mailing Address
5501 MEDICAL PARKWAY DR TEXARKANA, TX 75503
Mailing Phone
(903) 204-7642
Mailing Fax
(903) 204-7745
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-17-2025
Last Update Date
02-19-2026
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Ophthalmology Retina Specialist

Taxonomy Code
207WX0107X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

ROSHAN GEORGE MD

Authorized Official Title
OWNER
Authorized Official Phone
(903) 204-7642

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1083580815, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 5 → 10 → 1 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 1 + 6 + 3 + 1 + 0 + 8 + 0 + 8 + 2 + 24 = 55

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1083580815.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Counselor
5501 MEDICAL PARKWAY DR
TEXARKANA, TX 75503
Counselor (Professional)
5501 MEDICAL PARKWAY DR
TEXARKANA, TX 75503
Clinic/Center (Mental Health (Including Community Mental Health Center))
5501 MEDICAL PARKWAY DR
TEXARKANA, TX 75503
Psychiatry & Neurology (Psychiatry)
5501 MEDICAL PARKWAY DR
TEXARKANA, TX 75503
Psychiatry & Neurology (Psychiatry)
5501 MEDICAL PARKWAY DR
TEXARKANA, TX 75503
Ophthalmology (Retina Specialist)
5501 MEDICAL PARKWAY DR
TEXARKANA, TX 75503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083580815, enumerated as an "organization" on October 17, 2025.

The provider is located at 5501 MEDICAL PARKWAY DR TEXARKANA, TX 75503 and the phone number is (804) 647-2381.

Ophthalmology with taxonomy code 207WX0107X and a focus in Retina Specialist.