DR. HARRY LOUIS LINARDOS O.D.
NPI 1508033887
Optometrist - Corneal and Contact Management in Longmont, CO

NPI Status: Active since May 14, 2008

Contact Information

2514 MAIN ST
LONGMONT, CO
ZIP 80504
Phone: (303) 772-7334
Fax: (303) 774-9613

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

Individual
Male
Optometrist
Corneal and Contact Management

About HARRY LINARDOS

This page provides the complete NPI Profile along with additional information for Harry Linardos, a provider established in Longmont, Colorado with a medical specialization in Optometrist, focusing in corneal and contact management . The healthcare provider is registered in the NPI registry with number 1508033887 assigned on May 2008. The practitioner's primary taxonomy code is 152WC0802X with license number CO2272 (CO). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI: 1508033887
Provider Name: DR. HARRY LOUIS LINARDOS O.D.
Gender: Male
Entity Type: Individual
Location Address: 2514 MAIN ST LONGMONT, CO 80504
Location Phone: (303) 772-7334
Location Fax: (303) 774-9613
Mailing Address: 2514 MAIN ST LONGMONT, CO 80504
Mailing Phone: (303) 772-7334
Mailing Fax: (303) 774-9613
Is Sole Proprietor?: Yes
Enumeration Date: 05-14-2008
Last Update Date: 05-14-2008
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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: Optometrist Corneal and Contact Management
Taxonomy Code: 152WC0802X
Type: Eye and Vision Services Providers
License No.: CO2272
License State: CO
Taxonomy Description: The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.

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 1508033887, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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 → 0

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 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 0 → 0 0 → 0 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 0 + 3 + 6 + 8 + 1 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1508033887.