MELINDA K CALLAWAY
NPI 1366544835
Technician/Technologist - Optician in Salem, OR

NPI Status: Active since September 03, 2006

Contact Information

2400 LANCASTER DR NE
OPTICAL DEPARTMENT
SALEM, OR
ZIP 97305
Phone: (503) 370-4851
Fax: (503) 375-5726

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

Individual
Female
Technician/Technologist
Optician

About MELINDA CALLAWAY

This page provides the complete NPI Profile along with additional information for Melinda Callaway, a provider established in Salem, Oregon with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1366544835 assigned on September 2006. The practitioner's primary taxonomy code is 156FX1800X. The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI: 1366544835
Provider Name: MELINDA K CALLAWAY
Other Name: MELINDA K OHLMANN
Other Name Type: Former Name (1)
Gender: Female
Entity Type: Individual
Location Address: 2400 LANCASTER DR NE OPTICAL DEPARTMENT SALEM, OR 97305
Location Phone: (503) 370-4851
Location Fax: (503) 375-5726
Mailing Address: 6090 NELSON PL SE SALEM, OR 97306
Is Sole Proprietor?: No
Enumeration Date: 09-03-2006
Last Update Date: 07-08-2007
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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 Optician
Taxonomy Code: 156FX1800X
Type: Eye and Vision Services Providers
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 1366544835, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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 → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 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 6 → 12 → 3 5 → 10 → 1 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 0 + 4 + 8 + 8 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1366544835.