CARRIE LYNN MATTEI MA LPC
NPI 1154294155
Counselor - Professional in Waco, TX

NPI Status: Active since September 25, 2025

Contact Information

510 AUSTIN AVE STE 3250
WACO, TX
ZIP 76701
Phone: (214) 530-0021
Fax: (214) 530-0021

Get Directions Write a Review

  • Individual
  • Female
  • Counselor
  • Professional

About CARRIE LYNN MATTEI

This page provides the complete NPI Profile along with additional information for Carrie Lynn Mattei, a provider established in Waco, Texas with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1154294155 assigned on September 2025. The practitioner's primary taxonomy code is 101YP2500X with license number 16350 (TX). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1154294155
Provider Name
CARRIE LYNN MATTEI MA LPC
Gender
Female
Entity Type
Individual
Location Address
510 AUSTIN AVE STE 3250 WACO, TX 76701
Location Phone
(214) 530-0021
Location Fax
(214) 530-0021
Mailing Address
8150 N CENTRAL EXPY STE 1625 DALLAS, TX 75206
Mailing Phone
(214) 530-0021
Mailing Fax
(214) 530-0021
Is Sole Proprietor?
No
Enumeration Date
09-25-2025
Last Update Date
09-25-2025
Code Navigator

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 Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
16350
License State
TX

Reviews for CARRIE LYNN MATTEI MA LPC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1154294155, 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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 5 → 10 → 1 2 → 4 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 4 + 9 + 8 + 1 + 1 + 0 + 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 1154294155.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Counselor (Professional)
510 AUSTIN AVE STE 3250
WACO, TX 76701
Counselor (Professional)
510 AUSTIN AVE STE 3250
WACO, TX 76701
Marriage & Family Therapist
510 AUSTIN AVE STE 3250
WACO, TX 76701
Social Worker (Clinical)
510 AUSTIN AVE STE 3250
WACO, TX 76701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154294155, enumerated as an "individual" on September 25, 2025.

The provider is located at 510 AUSTIN AVE STE 3250 WACO, TX 76701 and the phone number is (214) 530-0021.

Counselor with taxonomy code 101YP2500X and a focus in Professional.