SOUTH HEART CLINIC, PLLC
NPI 1396674115
Clinic/Center - Rehabilitation, Cardiac Facilities in Harlingen, TX

NPI Status: Active since May 18, 2026

Contact Information

512 VICTORIA LN STE 12
HARLINGEN, TX
ZIP 78550
Phone: (956) 368-5228

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  • Organization
  • Clinic/Center
  • Rehabilitation, Cardiac Facilities

About SOUTH HEART CLINIC, PLLC

This page provides the complete NPI Profile along with additional information for South Heart Clinic, Pllc, a provider established in Harlingen, Texas operating as a Clinic/center, focusing in rehabilitation, cardiac facilities . The healthcare provider is registered in the NPI registry with number 1396674115 assigned on May 2026. The practitioner's primary taxonomy code is 261QR0404X. The provider is registered as an organization and their NPI record was last updated May 2026. The authorized official of this NPI record is Antonio Romero (Ceo)

NPI
1396674115
Provider Name
SOUTH HEART CLINIC, PLLC
Entity Type
Organization
Location Address
512 VICTORIA LN STE 12 HARLINGEN, TX 78550
Location Phone
(956) 368-5228
Mailing Address
2310 N ED CAREY DR STE 1A HARLINGEN, TX 78550
Mailing Phone
(956) 428-5522
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
05-18-2026
Last Update Date
05-18-2026
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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

Clinic/Center Rehabilitation, Cardiac Facilities

Taxonomy Code
261QR0404X
Type
Ambulatory Health Care Facilities

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

ANTONIO ROMERO

Authorized Official Title
CEO
Authorized Official Phone
(956) 428-5522

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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 1396674115, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
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 9 → 18 → 9 6 → 12 → 3 4 → 8 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 2 + 7 + 8 + 1 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1396674115.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Family Medicine
512 VICTORIA LN STE 12
HARLINGEN, TX 78550
Internal Medicine
512 VICTORIA LN STE 12
HARLINGEN, TX 78550

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396674115, enumerated as an "organization" on May 18, 2026.

The provider is located at 512 VICTORIA LN STE 12 HARLINGEN, TX 78550 and the phone number is (956) 368-5228.

Clinic/Center with taxonomy code 261QR0404X and a focus in Rehabilitation, Cardiac Facilities.