ELISA WELCH HEARING AID SPECIALI
NPI 1427537323
Hearing Instrument Specialist in Port Townsend, WA

NPI Status: Active since August 10, 2018

Contact Information

1308 SHERIDAN ST
PORT TOWNSEND, WA
ZIP 98368
Phone: (360) 643-0837

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  • Individual
  • Female
  • Hearing Instrument Specialist

About ELISA WELCH

This page provides the complete NPI Profile along with additional information for Elisa Welch, a provider established in Port Townsend, Washington with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1427537323 assigned on August 2018. The practitioner's primary taxonomy code is 237700000X with license number 60447910 (WA). The provider is registered as an individual and her NPI record was last updated 8 years ago.

NPI
1427537323
Provider Name
ELISA WELCH HEARING AID SPECIALI
Gender
Female
Entity Type
Individual
Location Address
1308 SHERIDAN ST PORT TOWNSEND, WA 98368
Location Phone
(360) 643-0837
Mailing Address
19319 7TH AVE NE POULSBO, WA 98370
Mailing Phone
(360) 697-3061
Is Sole Proprietor?
No
Enumeration Date
08-10-2018
Last Update Date
08-10-2018
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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

Hearing Instrument Specialist

Taxonomy Code
237700000X
Type
Speech, Language and Hearing Service Providers
License No.
60447910
License State
WA
Taxonomy Description
Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

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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 1427537323, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
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 2 → 4 5 → 10 → 1 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 0 + 3 + 1 + 4 + 3 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1427537323.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427537323, enumerated as an "individual" on August 10, 2018.

The provider is located at 1308 SHERIDAN ST PORT TOWNSEND, WA 98368 and the phone number is (360) 643-0837.

Hearing Instrument Specialist with taxonomy code 237700000X.