HANNAH MALKEY
NPI 1497637490
Counselor in Dallas, TX

NPI Status: Active since July 22, 2025

Contact Information

12740 HILLCREST RD
DALLAS, TX
ZIP 75230
Phone: (214) 664-9735

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  • Individual
  • Female
  • Counselor

About HANNAH MALKEY

This page provides the complete NPI Profile along with additional information for Hannah Malkey, a provider established in Dallas, Texas with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1497637490 assigned on July 2025. The practitioner's primary taxonomy code is 101Y00000X with license number 99286 (TX). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1497637490
Provider Name
HANNAH MALKEY
Gender
Female
Entity Type
Individual
Location Address
12740 HILLCREST RD DALLAS, TX 75230
Location Phone
(214) 664-9735
Mailing Address
1234 KINGS HWY APT H104 DALLAS, TX 75208
Mailing Phone
(817) 475-7545
Is Sole Proprietor?
Yes
Enumeration Date
07-22-2025
Last Update Date
07-22-2025
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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

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License No.
99286
License State
TX
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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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 1497637490, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 2 + 3 + 1 + 4 + 4 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1497637490.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Dentist (General Practice)
12740 HILLCREST RD, STE 165
DALLAS, TX 75230
Counselor (Professional)
12740 HILLCREST RD
DALLAS, TX 75230
Counselor
12740 HILLCREST RD, STE. 145
DALLAS, TX 75230
Chiropractor
12740 HILLCREST RD, SUITE 140
DALLAS, TX 75230
Counselor
12740 HILLCREST RD
DALLAS, TX 75230
Chiropractor
12740 HILLCREST RD, SUITE 140
DALLAS, TX 75230
Chiropractor
12740 HILLCREST RD, SUITE 138
DALLAS, TX 75230
Counselor (Professional)
12740 HILLCREST RD, STE 228
DALLAS, TX 75230
Chiropractor
12740 HILLCREST RD, SUITE 138
DALLAS, TX 75230
Social Worker (Clinical)
12740 HILLCREST RD, STE 260
DALLAS, TX 75230
Durable Medical Equipment & Medical Supplies
12740 HILLCREST RD, # 100
DALLAS, TX 75230
Family Medicine
12740 HILLCREST RD, SUITE 100
DALLAS, TX 75230
Counselor (Mental Health)
12740 HILLCREST RD, STE 295
DALLAS, TX 75230
Counselor (Mental Health)
12740 HILLCREST RD, SUITE 295
DALLAS, TX 75230

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497637490, enumerated as an "individual" on July 22, 2025.

The provider is located at 12740 HILLCREST RD DALLAS, TX 75230 and the phone number is (214) 664-9735.

Counselor with taxonomy code 101Y00000X.