GENTRY MCGAHA
NPI 1740108117
Counselor - Addiction (Substance Use Disorder) in Levelland, TX

NPI Status: Active since July 06, 2026

Contact Information

1406 CACTUS DR
LEVELLAND, TX
ZIP 79336
Phone: (757) 277-3979

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  • Individual
  • Male
  • Counselor
  • Addiction (Substance Use Disorder)

About GENTRY MCGAHA

This page provides the complete NPI Profile along with additional information for Gentry Mcgaha, a provider established in Levelland, Texas with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1740108117 assigned on July 2026. The practitioner's primary taxonomy code is 101YA0400X with license number 17852 (TX). The provider is registered as an individual and his NPI record was last updated July 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.

NPI
1740108117
Provider Name
GENTRY MCGAHA
Gender
Male
Entity Type
Individual
Location Address
1406 CACTUS DR LEVELLAND, TX 79336
Location Phone
(757) 277-3979
Mailing Address
1406 CACTUS DR LEVELLAND, TX 79336
Mailing Phone
(757) 277-3979
Is Sole Proprietor?
Yes
Enumeration Date
07-06-2026
Last Update Date
07-06-2026
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A Substance Abuse or Addiction Counselor like Gentry Mcgaha advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

Location Map

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 Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers
License No.
17852
License State
TX

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.

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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 1740108117, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
7
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 4 → 8 1 → 2 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 2 + 0 + 1 + 6 + 1 + 2 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1740108117.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740108117, enumerated as an "individual" on July 06, 2026.

The provider is located at 1406 CACTUS DR LEVELLAND, TX 79336 and the phone number is (757) 277-3979.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).