HANNAH LITTON JOHNSON AUD
NPI 1881208445
Audiologist in Palo Alto, CA

NPI Status: Active since September 01, 2020

Contact Information

725 WELCH RD
PALO ALTO, CA
ZIP 94304
Phone: (650) 497-8000

Get Directions Write a Review

  • Individual
  • Female
  • Audiologist

About HANNAH JOHNSON

This page provides the complete NPI Profile along with additional information for Hannah Johnson, a provider established in Palo Alto, California with a medical specialization in Audiologist. The healthcare provider is registered in the NPI registry with number 1881208445 assigned on September 2020. The practitioner's primary taxonomy code is 231H00000X with license number 3546 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1881208445
Provider Name
HANNAH LITTON JOHNSON AUD
Gender
Female
Entity Type
Individual
Location Address
725 WELCH RD PALO ALTO, CA 94304
Location Phone
(650) 497-8000
Mailing Address
725 WELCH RD PALO ALTO, CA 94304
Mailing Phone
(650) 497-8000
Is Sole Proprietor?
No
Enumeration Date
09-01-2020
Last Update Date
11-18-2025
Code Navigator

Audiologists like Hannah 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.
3546
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.

Reviews for HANNAH LITTON JOHNSON AUD

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1881208445, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
5
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 8 → 16 → 7 2 → 4 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 4 + 0 + 1 + 6 + 4 + 8 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1881208445.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pediatrics (Pediatric Cardiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Pulmonology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Nephrology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Cardiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Critical Care Medicine)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Nephrology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Pulmonology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Cardiology)
725 WELCH RD, MC 5500
PALO ALTO, CA 94304
Obstetrics & Gynecology
725 WELCH RD
PALO ALTO, CA 94304
Radiology (Pediatric Radiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Cardiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Critical Care Medicine)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Neonatal-Perinatal Medicine)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Neonatal-Perinatal Medicine)
725 WELCH RD
PALO ALTO, CA 94304
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
725 WELCH RD, LUCILE PACKARD CHILDREN'S HOSPITAL
PALO ALTO, CA 94304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881208445, enumerated as an "individual" on September 01, 2020.

The provider is located at 725 WELCH RD PALO ALTO, CA 94304 and the phone number is (650) 497-8000.

Audiologist with taxonomy code 231H00000X.