DR. THOMAS TRAN AU.D.
NPI 1487535779
Audiologist in Roseburg, OR
NPI Status: Active since September 11, 2025
Contact Information
913 NW GARDEN VALLEY BLVD
ROSEBURG, OR
ZIP 97471
Phone: (541) 440-1000
- Individual
- Male
- Audiologist
About THOMAS TRAN
This page provides the complete NPI Profile along with additional information for Thomas Tran, a provider established in Roseburg, Oregon with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1487535779 assigned on September 2025. The practitioner's primary taxonomy code is 231H00000X with license number 31149 (OR). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1487535779
- Provider Name
- DR. THOMAS TRAN AU.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 913 NW GARDEN VALLEY BLVD ROSEBURG, OR 97471
- Location Phone
- (541) 440-1000
- Mailing Address
- 16682 NE PACIFIC DR PORTLAND, OR 97230
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-11-2025
- Last Update Date
- 09-11-2025
- Code Navigator
Audiologists like Thomas Tran 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.
- 31149
- License State
- OR
- 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.
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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 1487535779, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
ROSEBURG, OR 97471
ROSEBURG, OR 97471
ROSEBURG, OR 97471
ROSEBURG, OR 97471
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1487535779, enumerated as an "individual" on September 11, 2025.
The provider is located at 913 NW GARDEN VALLEY BLVD ROSEBURG, OR 97471 and the phone number is (541) 440-1000.
Audiologist with taxonomy code 231H00000X.
