KHYRISTIENNE CLARK
NPI 1881574382
Technician/Technologist - Optometric Technician in Los Angeles, CA

NPI Status: Active since September 04, 2025

Contact Information

11301 WILSHIRE BLVD BLDG 304
LOS ANGELES, CA
ZIP 90073
Phone: (310) 478-3711

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

Individual
Female
Technician/Technologist
Optometric Technician

About KHYRISTIENNE CLARK

This page provides the complete NPI Profile along with additional information for Khyristienne Clark, a provider established in Los Angeles, California with a medical specialization in Technician/technologist, focusing in optometric technician . The healthcare provider is registered in the NPI registry with number 1881574382 assigned on September 2025. The practitioner's primary taxonomy code is 156FX1202X. The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI: 1881574382
Provider Name: KHYRISTIENNE CLARK
Gender: Female
Entity Type: Individual
Location Address: 11301 WILSHIRE BLVD BLDG 304 LOS ANGELES, CA 90073
Location Phone: (310) 478-3711
Mailing Address: 9636 S HARVARD BLVD LOS ANGELES, CA 90047
Mailing Phone: (747) 295-3999
Is Sole Proprietor?: Yes
Enumeration Date: 09-04-2025
Last Update Date: 09-04-2025
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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 Optometric Technician
Taxonomy Code: 156FX1202X
Type: Eye and Vision Services Providers
License State: CA
Taxonomy Description: An optometric technician assists optometrists by performing duties, including but not limited to, basic eye testing, diagnostic tests, and assistance with corrective lenses.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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 1881574382, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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 → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

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 8 → 16 → 7 5 → 10 → 1 4 → 8 8 → 16 → 7

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 + 1 + 0 + 7 + 8 + 3 + 1 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2

This NPI is valid

The calculated check digit is 2, which matches the last digit of 1881574382.