MARLENE JOHNSON
NPI 1427731389
Technician/Technologist - Optician in Onalaska, WI

NPI Status: Active since August 08, 2023

Contact Information

3107 MARKET PL
ONALASKA, WI
ZIP 54650
Phone: (608) 781-7150

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  • Individual
  • Female
  • Technician/Technologist
  • Optician

About MARLENE JOHNSON

This page provides the complete NPI Profile along with additional information for Marlene Johnson, a provider established in Onalaska, Wisconsin with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1427731389 assigned on August 2023. The practitioner's primary taxonomy code is 156FX1800X. The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1427731389
Provider Name
MARLENE JOHNSON
Gender
Female
Entity Type
Individual
Location Address
3107 MARKET PL ONALASKA, WI 54650
Location Phone
(608) 781-7150
Mailing Address
3107 MARKET PL ONALASKA, WI 54650
Mailing Phone
(608) 781-7150
Is Sole Proprietor?
Yes
Enumeration Date
08-08-2023
Last Update Date
08-08-2023
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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
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.

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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 1427731389, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
9
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 2 → 4 7 → 14 → 5 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 4 + 3 + 2 + 3 + 1 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1427731389.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Optometrist
3107 MARKET PL
ONALASKA, WI 54650
Pharmacist (Pharmacotherapy)
3107 MARKET PL
ONALASKA, WI 54650
Pharmacist
3107 MARKET PL
ONALASKA, WI 54650
Pharmacist
3107 MARKET PL
ONALASKA, WI 54650
Pharmacist
3107 MARKET PL
ONALASKA, WI 54650
Pharmacist
3107 MARKET PL
ONALASKA, WI 54650
Pharmacist
3107 MARKET PL
ONALASKA, WI 54650
Pharmacist
3107 MARKET PL
ONALASKA, WI 54650
Pharmacist
3107 MARKET PL
ONALASKA, WI 54650
Pharmacy (Community/Retail Pharmacy)
3107 MARKET PL
ONALASKA, WI 54650
Eyewear Supplier
3107 MARKET PL
ONALASKA, WI 54650

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427731389, enumerated as an "individual" on August 08, 2023.

The provider is located at 3107 MARKET PL ONALASKA, WI 54650 and the phone number is (608) 781-7150.

Technician/Technologist with taxonomy code 156FX1800X and a focus in Optician.