MRS. CHRYSTAL LYNN JOHNSON
NPI 1841995594
Technician/Technologist - Optician in Grove City, OH

NPI Status: Active since April 03, 2023

Contact Information

1693 STRINGTOWN RD
GROVE CITY, OH
ZIP 43123
Phone: (614) 539-8640
Fax: (614) 539-8644

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  • Individual
  • Female
  • Technician/Technologist
  • Optician

About CHRYSTAL JOHNSON

This page provides the complete NPI Profile along with additional information for Chrystal Johnson, a provider established in Grove City, Ohio with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1841995594 assigned on April 2023. The practitioner's primary taxonomy code is 156FX1800X with license number OP.010042-SC (OH). The provider is registered as an individual and her NPI record was last updated 3 years ago. Chrystal Johnson operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1841995594
Provider Name
MRS. CHRYSTAL LYNN JOHNSON
Other Name
MRS. CHRYSTAL L JOHNSON
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
1693 STRINGTOWN RD GROVE CITY, OH 43123
Location Phone
(614) 539-8640
Location Fax
(614) 539-8644
Mailing Address
1027 HODGES DR COLUMBUS, OH 43204
Mailing Phone
(614) 593-9730
Is Sole Proprietor?
Yes
Enumeration Date
04-03-2023
Last Update Date
04-03-2023
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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
License No.
OP.010042-SC
License State
OH
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1156FX1800XEye and Vision Services Providers

Technician/Technologist
Optician

OP.010042.SC (OH)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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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 1841995594, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 4 → 8 9 → 18 → 9 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 1 + 8 + 9 + 1 + 0 + 5 + 1 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1841995594.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Pharmacist
1693 STRINGTOWN RD
GROVE CITY, OH 43123
Technician/Technologist (Optician)
1693 STRINGTOWN RD
GROVE CITY, OH 43123
Technician/Technologist (Optician)
1693 STRINGTOWN RD
GROVE CITY, OH 43123
Pharmacist
1693 STRINGTOWN RD
GROVE CITY, OH 43123
Optometrist
1693 STRINGTOWN RD
GROVE CITY, OH 43123
Pharmacy (Community/Retail Pharmacy)
1693 STRINGTOWN RD
GROVE CITY, OH 43123
Eyewear Supplier
1693 STRINGTOWN RD
GROVE CITY, OH 43123

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841995594, enumerated as an "individual" on April 03, 2023.

The provider is located at 1693 STRINGTOWN RD GROVE CITY, OH 43123 and the phone number is (614) 539-8640.

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