DR. JOHN ANDREW DUNDAS PH.D.
NPI 1932376498
Audiologist in Menlo Park, CA

NPI Status: Active since May 14, 2008

Contact Information

4045A CAMPBELL AVE
MENLO PARK, CA
ZIP 94025
Phone: (650) 739-4550

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  • Individual
  • Male
  • Audiologist

About JOHN DUNDAS

This page provides the complete NPI Profile along with additional information for John Dundas, a provider established in Menlo Park, California with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1932376498 assigned on May 2008. The practitioner's primary taxonomy code is 231H00000X with license number AU2888 (CA). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1932376498
Provider Name
DR. JOHN ANDREW DUNDAS PH.D.
Gender
Male
Entity Type
Individual
Location Address
4045A CAMPBELL AVE MENLO PARK, CA 94025
Location Phone
(650) 739-4550
Mailing Address
4045A CAMPBELL AVE MENLO PARK, CA 94025
Mailing Phone
(615) 483-4400
Is Sole Proprietor?
No
Enumeration Date
05-14-2008
Last Update Date
03-29-2024
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Audiologists like John Dundas 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.

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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

Audiologist

Taxonomy Code
231H00000X
Type
Speech, Language and Hearing Service Providers
License No.
AU2888
License State
CA
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

AU2888 (CA)

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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 1932376498, 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
9
Unchanged
Pos 3
3
Doubled → 6
Pos 4
2
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 3 → 6 3 → 6 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 6 + 2 + 6 + 7 + 1 + 2 + 4 + 1 + 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 1932376498.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1932376498, enumerated as an "individual" on May 14, 2008.

The provider is located at 4045A CAMPBELL AVE MENLO PARK, CA 94025 and the phone number is (650) 739-4550.

Audiologist with taxonomy code 231H00000X.