KATHRYN KROLL JOHNSON
NPI 1770409948
Audiologist in New Braunfels, TX

NPI Status: Active since June 24, 2026

Contact Information

2967 OAK RUN PKWY STE 315
NEW BRAUNFELS, TX
ZIP 78132
Phone: (830) 360-2000

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  • Individual
  • Female
  • Audiologist

About KATHRYN JOHNSON

This page provides the complete NPI Profile along with additional information for Kathryn Johnson, a provider established in New Braunfels, Texas with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1770409948 assigned on June 2026. The practitioner's primary taxonomy code is 231H00000X with license number 81850 (TX). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1770409948
Provider Name
KATHRYN KROLL JOHNSON
Gender
Female
Entity Type
Individual
Location Address
2967 OAK RUN PKWY STE 315 NEW BRAUNFELS, TX 78132
Location Phone
(830) 360-2000
Mailing Address
2967 OAK RUN PKWY STE 315 NEW BRAUNFELS, TX 78132
Mailing Phone
(830) 360-2000
Is Sole Proprietor?
No
Enumeration Date
06-24-2026
Last Update Date
06-24-2026

Audiologists like Kathryn Johnson are experts in diagnosing issues related to various parts of the ear, including the outer, middle, and inner ear. They can identify conditions like vertigo, balance issues, hearing loss, and tinnitus, offering treatments based on a patient’s specific condition and severity. These specialists use specialized equipment to assess the cause and extent of hearing impairments, employing tools like audiometers to evaluate the range of frequencies and volumes a person can hear. In addition, audiologists counsel patients and their families, providing advice on managing and adapting to hearing loss.

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

Audiologist

Taxonomy Code
231H00000X
Type
Speech, Language and Hearing Service Providers
License No.
81850
License State
TX
Taxonomy Description
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1237600000XSpeech, Language and Hearing Service Providers

Audiologist-Hearing Aid Fitter

81850 

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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 1770409948, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 8 + 0 + 1 + 8 + 9 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1770409948.

Other Providers at the Same Location


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

Audiologist
2967 OAK RUN PKWY STE 315
NEW BRAUNFELS, TX 78132
Audiologist
2967 OAK RUN PKWY STE 315
NEW BRAUNFELS, TX 78132
Audiologist
2967 OAK RUN PKWY STE 315
NEW BRAUNFELS, TX 78132
Audiologist
2967 OAK RUN PKWY STE 315
NEW BRAUNFELS, TX 78132

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770409948, enumerated as an "individual" on June 24, 2026.

The provider is located at 2967 OAK RUN PKWY STE 315 NEW BRAUNFELS, TX 78132 and the phone number is (830) 360-2000.

Audiologist with taxonomy code 231H00000X.