DR. JOSEPH THOMAS KRAUS AU.D
NPI 1851256556
Audiologist in Johnstown, CO
NPI Status: Active since December 16, 2025
Contact Information
5255 RONALD REAGAN BLVD STE 220
JOHNSTOWN, CO
ZIP 80534
Phone: (970) 669-1639
Fax: (970) 669-1768
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Audiologist
About JOSEPH KRAUS
This page provides the complete NPI Profile along with additional information for Joseph Kraus, a provider established in Johnstown, Colorado with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1851256556 assigned on December 2025. The practitioner's primary taxonomy code is 231H00000X with license number 0001345 (CO). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1851256556
- Provider Name
- DR. JOSEPH THOMAS KRAUS AU.D
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5255 RONALD REAGAN BLVD STE 220 JOHNSTOWN, CO 80534
- Location Phone
- (970) 669-1639
- Location Fax
- (970) 669-1768
- Mailing Address
- 3100 REMINGTON ST FORT COLLINS, CO 80525
- Mailing Phone
- (970) 266-8380
- Mailing Fax
- (970) 669-1768
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-16-2025
- Last Update Date
- 06-04-2026
- Code Navigator
Audiologists like Joseph Kraus 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
Secondary Locations
- 8721 Wadsworth Blvd Ste C
Arvada, CO 80003
(303) 639-5323
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.
- 0001345
- License State
- CO
- 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) |
|---|---|---|---|---|
| 1 | 237600000X | Speech, Language and Hearing Service Providers | Audiologist-Hearing Aid Fitter | AUD.0001345 (CO) |
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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 1851256556, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
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 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
JOHNSTOWN, CO 80534
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1851256556, enumerated as an "individual" on December 16, 2025.
The provider is located at 5255 RONALD REAGAN BLVD STE 220 JOHNSTOWN, CO 80534 and the phone number is (970) 669-1639.
Audiologist with taxonomy code 231H00000X.
