HARRY SPENCER OPTICIAN
NPI 1972048718
Technician/Technologist - Optician in Altoona, PA

NPI Status: Active since January 04, 2017

Contact Information

1020 GREEN AVE
ALTOONA, PA
ZIP 16601
Phone: (814) 946-2700
Fax: (814) 943-1420

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

Individual
Male
Technician/Technologist
Optician

About HARRY SPENCER

This page provides the complete NPI Profile along with additional information for Harry Spencer, a provider established in Altoona, Pennsylvania with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1972048718 assigned on January 2017. The practitioner's primary taxonomy code is 156FX1800X. The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI: 1972048718
Provider Name: HARRY SPENCER OPTICIAN
Gender: Male
Entity Type: Individual
Location Address: 1020 GREEN AVE ALTOONA, PA 16601
Location Phone: (814) 946-2700
Location Fax: (814) 943-1420
Mailing Address: 12910 SHELBYVILLE RD SUITE 300 LOUISVILLE, KY 40243
Mailing Phone: (855) 259-9183
Mailing Fax: (814) 943-1420
Is Sole Proprietor?: No
Enumeration Date: 01-04-2017
Last Update Date: 01-04-2017
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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 1972048718, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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 → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 0

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 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 7 → 14 → 5 0 → 0 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 0 + 4 + 1 + 6 + 7 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8

This NPI is valid

The calculated check digit is 8, which matches the last digit of 1972048718.