ALFRED THOMPSON LICENSED OPTICIAN
NPI 1205619764
Technician/Technologist - Optician in Zephyrhills, FL

NPI Status: Active since August 17, 2023

Contact Information

7631 GALL BLVD
ZEPHYRHILLS, FL
ZIP 33541
Phone: (813) 788-0197

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

Individual
Male
Technician/Technologist
Optician

About ALFRED THOMPSON

This page provides the complete NPI Profile along with additional information for Alfred Thompson, a provider established in Zephyrhills, Florida with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1205619764 assigned on August 2023. The practitioner's primary taxonomy code is 156FX1800X with license number DO5004 (FL). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI: 1205619764
Provider Name: ALFRED THOMPSON LICENSED OPTICIAN
Gender: Male
Entity Type: Individual
Location Address: 7631 GALL BLVD ZEPHYRHILLS, FL 33541
Location Phone: (813) 788-0197
Mailing Address: 7631 GALL BLVD ZEPHYRHILLS, FL 33541
Is Sole Proprietor?: Yes
Enumeration Date: 08-17-2023
Last Update Date: 08-17-2023
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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 Optician
Taxonomy Code: 156FX1800X
Type: Eye and Vision Services Providers
License No.: DO5004
License State: FL
Taxonomy Description: Opticians help fit eyeglasses and contact lenses, following prescriptions from Ophthalmologists and Optometrists. They also help customers decide which eyeglass frame or contact lenses to buy.

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 1205619764, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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 → 0

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

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 0 → 0 6 → 12 → 3 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 0 + 5 + 1 + 2 + 1 + 1 + 8 + 7 + 1 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1205619764.