BONNIE RATTNER MA, MA, ED.D
NPI 1295842813
Audiologist in San Mateo, CA

NPI Status: Active since August 23, 2006

Contact Information

39 N SAN MATEO DR
STE 6
SAN MATEO, CA
ZIP 94401
Phone: (650) 347-0110

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  • Individual
  • Female
  • Audiologist

About BONNIE RATTNER

This page provides the complete NPI Profile along with additional information for Bonnie Rattner, a provider established in San Mateo, California with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1295842813 assigned on August 2006. The practitioner's primary taxonomy code is 231H00000X with license number SP4169 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1295842813
Provider Name
BONNIE RATTNER MA, MA, ED.D
Gender
Female
Entity Type
Individual
Location Address
39 N SAN MATEO DR STE 6 SAN MATEO, CA 94401
Location Phone
(650) 347-0110
Mailing Address
1 BAYWOOD AVENUE STE 7 SAN MATEO, CA 94402
Mailing Phone
(650) 344-6961
Is Sole Proprietor?
Yes
Enumeration Date
08-23-2006
Last Update Date
07-08-2007
Code Navigator

Audiologists like Bonnie Rattner 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.
SP4169
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.

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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 1295842813, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
Check
3
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 9 → 18 → 9 8 → 16 → 7 2 → 4 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 6 + 4 + 4 + 8 + 2 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1295842813.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Marriage & Family Therapist
39 N SAN MATEO DR, SUITE 5
SAN MATEO, CA 94401
Internal Medicine (Cardiovascular Disease)
39 N SAN MATEO DR, SUITE 1
SAN MATEO, CA 94401
Marriage & Family Therapist
39 N SAN MATEO DR, SUITE 5
SAN MATEO, CA 94401
Prosthetic/Orthotic Supplier
39 N SAN MATEO DR, SUITE # 4
SAN MATEO, CA 94401
Psychologist (Clinical)
39 N SAN MATEO DR, #7
SAN MATEO, CA 94401
Speech-Language Pathologist
39 N SAN MATEO DR, SUITE 6
SAN MATEO, CA 94401
Podiatrist
39 N SAN MATEO DR, SUITE # 4
SAN MATEO, CA 94401
Podiatrist
39 N SAN MATEO DR, SUITE # 4
SAN MATEO, CA 94401
Marriage & Family Therapist
39 N SAN MATEO DR
SAN MATEO, CA 94401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295842813, enumerated as an "individual" on August 23, 2006.

The provider is located at 39 N SAN MATEO DR STE 6 SAN MATEO, CA 94401 and the phone number is (650) 347-0110.

Audiologist with taxonomy code 231H00000X.