TRU DIAGNOSTIC LLC
NPI 1912843848
Phlebology in Greenville, SC

NPI Status: Active since April 24, 2026

Contact Information

1427 LAURENS RD STE I
GREENVILLE, SC
ZIP 29607
Phone: (864) 473-5551

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  • Organization
  • Phlebology
  • CLIA Number: 42D2338618
  • CLIA Cert. Type: Ancillary Testing Site in Health Care Center
  • CLIA Exp. Date: 02-12-2028

About TRU DIAGNOSTIC LLC

This page provides the complete NPI Profile along with additional information for Tru Diagnostic Llc, a provider established in Greenville, South Carolina operating as a Phlebology. The healthcare provider is registered in the NPI registry with number 1912843848 assigned on April 2026. The practitioner's primary taxonomy code is 202K00000X. The provider is registered as an organization and their NPI record was last updated April 2026. Tru Diagnostic Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Mrs. Sinita Irby (Director)

NPI
1912843848
Provider Name
TRU DIAGNOSTIC LLC
Entity Type
Organization
Location Address
1427 LAURENS RD STE I GREENVILLE, SC 29607
Location Phone
(864) 473-5551
Mailing Address
1427 LAURENS RD STE I GREENVILLE, SC 29607
Mailing Phone
(864) 473-5551
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-24-2026
Last Update Date
04-24-2026
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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

Phlebology

Taxonomy Code
202K00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Phlebology is the medical discipline that involves the diagnosis and treatment of venous disorders, including spider veins, varicose veins, chronic venous insufficiency, venous leg ulcers, congenital venous abnormalities, venous thromboembolism and other disorders of venous origin. A phlebologist has attained a minimum of 50 hours of CME units in phlebology-related courses, and is knowledgeable of and trained in a variety of diagnostic techniques including physical examination, venous imaging techniques such as duplex ultrasound, CT and MR, plethysmographic techniques and laboratory evaluation related to venous thromboembolism. The phlebologist is also trained in a variety of therapeutic interventions, which may include compression, sclerotherapy, cutaneous vascular laser, endovenous thermoablation procedures (laser and radiofrequency) endovenous chemical ablation, surgical procedures (e.g., ambulatory phlebectomy, venous ligation), vasoactive medications and the management of venous thromboembolism.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

MRS. SINITA IRBY

Authorized Official Title
DIRECTOR
Authorized Official Phone
(864) 473-5551

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
42D2338618
Facility Type
Ancillary Testing Site in Health Care Center
Certificate Effective Date
February 13, 2026
Certificate Expiration Date
February 12, 2028
Laboratory Director
SINITA L. IRBY
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Tru Diagnostic Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1912843848, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
8
Unchanged
Pos 9
4
Doubled → 8
Check
8
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 1 → 2 8 → 16 → 7 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 6 + 4 + 6 + 8 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1912843848.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912843848, enumerated as an "organization" on April 24, 2026.

The provider is located at 1427 LAURENS RD STE I GREENVILLE, SC 29607 and the phone number is (864) 473-5551.

Phlebology with taxonomy code 202K00000X.