MARY ELLEN COURTNEY
NPI 1003743691
Counselor - Professional in Dallas, TX

NPI Status: Active since May 06, 2026

Contact Information

2803 TAYLOR ST
DALLAS, TX
ZIP 75226
Phone: (214) 701-7542

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  • Individual
  • Female
  • Counselor
  • Professional

About MARY COURTNEY

This page provides the complete NPI Profile along with additional information for Mary Courtney, a provider established in Dallas, Texas with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1003743691 assigned on May 2026. The practitioner's primary taxonomy code is 101YP2500X with license number 96092 (TX). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1003743691
Provider Name
MARY ELLEN COURTNEY
Other Name
MARY ELLEN ANDERSON
Other Name Type
Other Name (5)
Gender
Female
Entity Type
Individual
Location Address
2803 TAYLOR ST DALLAS, TX 75226
Location Phone
(214) 701-7542
Mailing Address
6646 E LOVERS LN APT 501 DALLAS, TX 75214
Mailing Phone
(318) 469-8145
Is Sole Proprietor?
No
Enumeration Date
05-06-2026
Last Update Date
05-21-2026
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Location Map

Secondary Locations

  • 700 E Park Blvd Ste 206
    Plano, TX 75074
    (972) 212-9175

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.
96092
License State
TX

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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 1003743691, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 4 + 4 + 6 + 6 + 1 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1003743691.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (Professional)
2803 TAYLOR ST
DALLAS, TX 75226

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003743691, enumerated as an "individual" on May 06, 2026.

The provider is located at 2803 TAYLOR ST DALLAS, TX 75226 and the phone number is (214) 701-7542.

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