MARK PIERCE
NPI 1720452907
Hearing Instrument Specialist in Olympia, WA

NPI Status: Active since November 25, 2015

Contact Information

2600 MARTIN WAY E STE A
OLYMPIA, WA
ZIP 98506
Phone: (360) 943-8920
Fax: (360) 943-2013

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  • Individual
  • Male
  • Hearing Instrument Specialist

About MARK PIERCE

This page provides the complete NPI Profile along with additional information for Mark Pierce, a provider established in Olympia, Washington with a medical specialization in Hearing Instrument Specialist. The healthcare provider is registered in the NPI registry with number 1720452907 assigned on November 2015. The practitioner's primary taxonomy code is 237700000X with license number HA00002346 (WA). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1720452907
Provider Name
MARK PIERCE
Gender
Male
Entity Type
Individual
Location Address
2600 MARTIN WAY E STE A OLYMPIA, WA 98506
Location Phone
(360) 943-8920
Location Fax
(360) 943-2013
Mailing Address
2600 MARTIN WAY E STE A OLYMPIA, WA 98506
Mailing Phone
(360) 943-8920
Mailing Fax
(360) 943-2013
Is Sole Proprietor?
No
Enumeration Date
11-25-2015
Last Update Date
11-25-2015
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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.
HA00002346
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 1720452907, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 8 + 5 + 4 + 9 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1720452907.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Hearing Instrument Specialist
2600 MARTIN WAY E STE A
OLYMPIA, WA 98506

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720452907, enumerated as an "individual" on November 25, 2015.

The provider is located at 2600 MARTIN WAY E STE A OLYMPIA, WA 98506 and the phone number is (360) 943-8920.

Hearing Instrument Specialist with taxonomy code 237700000X.