ABRAM BRYANT GRABLE
NPI 1336084870
Hearing Instrument Specialist in Brenham, TX

NPI Status: Active since April 21, 2026

Contact Information

103 W ALAMO ST
BRENHAM, TX
ZIP 77833
Phone: (979) 830-0865

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  • Individual
  • Male
  • Hearing Instrument Specialist

About ABRAM GRABLE

This page provides the complete NPI Profile along with additional information for Abram Grable, a provider established in Brenham, Texas with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1336084870 assigned on April 2026. The practitioner's primary taxonomy code is 237700000X with license number 81101 (TX). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1336084870
Provider Name
ABRAM BRYANT GRABLE
Gender
Male
Entity Type
Individual
Location Address
103 W ALAMO ST BRENHAM, TX 77833
Location Phone
(979) 830-0865
Mailing Address
103 W ALAMO ST BRENHAM, TX 77833
Mailing Phone
(979) 830-0865
Is Sole Proprietor?
No
Enumeration Date
04-21-2026
Last Update Date
04-21-2026
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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

Hearing Instrument Specialist

Taxonomy Code
237700000X
Type
Speech, Language and Hearing Service Providers
License No.
81101
License State
TX
Taxonomy Description
Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

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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 1336084870, 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
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 3 → 6 0 → 0 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 0 + 8 + 8 + 8 + 1 + 4 + 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 1336084870.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Hearing Instrument Specialist
103 W ALAMO ST
BRENHAM, TX 77833
Audiologist-Hearing Aid Fitter
103 W ALAMO ST
BRENHAM, TX 77833
Hearing Instrument Specialist
103 W ALAMO ST
BRENHAM, TX 77833

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336084870, enumerated as an "individual" on April 21, 2026.

The provider is located at 103 W ALAMO ST BRENHAM, TX 77833 and the phone number is (979) 830-0865.

Hearing Instrument Specialist with taxonomy code 237700000X.