SHARLET G OLSEN
NPI 1851401897
Technician/Technologist - Contact Lens in Vancouver, WA

NPI Status: Active since August 30, 2006

Contact Information

12607 SE MILL PLAIN BLVD
VANCOUVER, WA
ZIP 98684
Phone: (360) 891-6247

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Technician/Technologist
Contact Lens

About SHARLET OLSEN

This page provides the complete NPI Profile along with additional information for Sharlet Olsen, a provider established in Vancouver, Washington with a medical specialization in Technician/technologist, focusing in contact lens . The healthcare provider is registered in the NPI registry with number 1851401897 assigned on August 2006. The practitioner's primary taxonomy code is 156FC0800X with license number DO00001678 (WA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI: 1851401897
Provider Name: SHARLET G OLSEN
Gender: Female
Entity Type: Individual
Location Address: 12607 SE MILL PLAIN BLVD VANCOUVER, WA 98684
Location Phone: (360) 891-6247
Mailing Address: 12607 SE MILL PLAIN BLVD VANCOUVER, WA 98684
Mailing Phone: (360) 891-6247
Is Sole Proprietor?: No
Enumeration Date: 08-30-2006
Last Update Date: 07-13-2007
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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: Technician/Technologist Contact Lens
Taxonomy Code: 156FC0800X
Type: Eye and Vision Services Providers
License No.: DO00001678
License State: WA
Taxonomy Description: A contact lens optician or other ancillary support staff person who, where authorized by state law and trained or certified to do so, may fit or dispense contact lenses to a patient based on the prescription of an optometrist or medical physician.

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 1851401897, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

Check

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 5 → 10 → 1 4 → 8 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 8 + 0 + 2 + 8 + 1 + 8 + 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 1851401897.