APRIL SAYAVONG
NPI 1740115203
Technician/Technologist - Optometric Technician in Blue Island, IL
NPI Status: Active since June 16, 2026
Contact Information
12812 WESTERN AVE
BLUE ISLAND, IL
ZIP 60406
Phone: (708) 385-0013
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Technician/Technologist
- Optometric Technician
About APRIL SAYAVONG
This page provides the complete NPI Profile along with additional information for April Sayavong, a provider established in Blue Island, Illinois operating as a Technician/technologist, focusing in optometric technician . The healthcare provider is registered in the NPI registry with number 1740115203 assigned on June 2026. The practitioner's primary taxonomy code is 156FX1202X. The provider is registered as an individual and their NPI record was last updated June 2026.
- NPI
- 1740115203
- Provider Name
- APRIL SAYAVONG
- Gender
- Entity Type
- Individual
- Location Address
- 12812 WESTERN AVE BLUE ISLAND, IL 60406
- Location Phone
- (708) 385-0013
- Mailing Address
- 7778 WOODWARD AVE WOODRIDGE, IL 60517
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-16-2026
- Last Update Date
- 06-16-2026
- Code Navigator
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
Technician/Technologist Optometric Technician
- Taxonomy Code
- 156FX1202X
- Type
- Eye and Vision Services Providers
- 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.
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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 1740115203, 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 47 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 4 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1740115203, enumerated as an "individual" on June 16, 2026.
The provider is located at 12812 WESTERN AVE BLUE ISLAND, IL 60406 and the phone number is (708) 385-0013.
Technician/Technologist with taxonomy code 156FX1202X and a focus in Optometric Technician.
