HEATHER BRIERLEY
NPI 1891627923
Specialist/Technologist - Speech-Language Assistant in Phoenix, AZ
NPI Status: Active since June 02, 2026
Contact Information
4340 E INDIAN SCHOOL RD STE 21-297
PHOENIX, AZ
ZIP 85018
Phone: (602) 898-4053
Fax: (602) 726-0540
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Specialist/Technologist
- Speech-Language Assistant
About HEATHER BRIERLEY
This page provides the complete NPI Profile along with additional information for Heather Brierley, a provider established in Phoenix, Arizona with a medical specialization in Specialist/technologist, focusing in speech-language assistant . The healthcare provider is registered in the NPI registry with number 1891627923 assigned on June 2026. The practitioner's primary taxonomy code is 2355S0801X with license number SLPA15744 (AZ). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1891627923
- Provider Name
- HEATHER BRIERLEY
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 4340 E INDIAN SCHOOL RD STE 21-297 PHOENIX, AZ 85018
- Location Phone
- (602) 898-4053
- Location Fax
- (602) 726-0540
- Mailing Address
- 4340 E INDIAN SCHOOL RD STE 21-297 PHOENIX, AZ 85018
- Mailing Phone
- (602) 898-4053
- Mailing Fax
- (602) 726-0540
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-02-2026
- Last Update Date
- 06-02-2026
- 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
Specialist/Technologist Speech-Language Assistant
- Taxonomy Code
- 2355S0801X
- Type
- Speech, Language and Hearing Service Providers
- License No.
- SLPA15744
- License State
- AZ
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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 1891627923, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 4 providers are registered at the same or a nearby location.
PHOENIX, AZ 85018
PHOENIX, AZ 85018
PHOENIX, AZ 85018
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891627923, enumerated as an "individual" on June 02, 2026.
The provider is located at 4340 E INDIAN SCHOOL RD STE 21-297 PHOENIX, AZ 85018 and the phone number is (602) 898-4053.
Specialist/Technologist with taxonomy code 2355S0801X and a focus in Speech-Language Assistant.
