TOMMY LEE DAVIS II
NPI 1487345443
Technician/Technologist - Optician in Roseburg, OR

NPI Status: Active since May 18, 2023

Contact Information

2125 NW STEWART PKWY
ROSEBURG, OR
ZIP 97471
Phone: (541) 957-8552
Fax: (541) 957-8549

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

Individual
Male
Technician/Technologist
Optician

About TOMMY DAVIS

This page provides the complete NPI Profile along with additional information for Tommy Davis, a provider established in Roseburg, Oregon with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1487345443 assigned on May 2023. The practitioner's primary taxonomy code is 156FX1800X with license number 250110 (OR). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI: 1487345443
Provider Name: TOMMY LEE DAVIS II
Gender: Male
Entity Type: Individual
Location Address: 2125 NW STEWART PKWY ROSEBURG, OR 97471
Location Phone: (541) 957-8552
Location Fax: (541) 957-8549
Mailing Address: 2125 NW STEWART PKWY ROSEBURG, OR 97471
Mailing Phone: (541) 957-8552
Mailing Fax: (541) 957-8549
Is Sole Proprietor?: No
Enumeration Date: 05-18-2023
Last Update Date: 05-18-2023
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 Optician
Taxonomy Code: 156FX1800X
Type: Eye and Vision Services Providers
License No.: 250110
License State: OR
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 1487345443, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 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 8 → 16 → 7 3 → 6 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 6 + 4 + 1 + 0 + 4 + 8 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3

This NPI is valid

The calculated check digit is 3, which matches the last digit of 1487345443.