OSCAR CORTEZ
NPI 1508794777
Counselor - Mental Health in Brownsville, TX

NPI Status: Active since May 09, 2026

Contact Information

5460 PAREDES LINE RD STE 206
BROWNSVILLE, TX
ZIP 78526
Phone: (956) 566-1637

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Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Counselor
Mental Health

About OSCAR CORTEZ

This page provides the complete NPI Profile along with additional information for Oscar Cortez, a provider established in Brownsville, Texas with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1508794777 assigned on May 2026. The practitioner's primary taxonomy code is 101YM0800X with license number 99577 (TX). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI: 1508794777
Provider Name: OSCAR CORTEZ
Gender: Male
Entity Type: Individual
Location Address: 5460 PAREDES LINE RD STE 206 BROWNSVILLE, TX 78526
Location Phone: (956) 566-1637
Mailing Address: 5460 PAREDES LINE RD STE 206 BROWNSVILLE, TX 78526
Mailing Phone: (956) 566-1637
Is Sole Proprietor?: Yes
Enumeration Date: 05-09-2026
Last Update Date: 05-09-2026
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A mental health counselor like Oscar Cortez provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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: Counselor Mental Health
Taxonomy Code: 101YM0800X
Type: Behavioral Health & Social Service Providers
License No.: 99577
License State: TX

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 1508794777, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 0

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

Check

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 0 → 0 7 → 14 → 5 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 4 + 9 + 8 + 7 + 1 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1508794777.