DR EJ TOMASIK AND ASSOC OPTOMETRISTS
NPI 1811291891
Technician/Technologist - Optician in Cudahy, WI

NPI Status: Active since January 05, 2011

Contact Information

3552 E LAYTON AVE
CUDAHY, WI
ZIP 53110
Phone: (414) 744-0449
Fax: (414) 744-1315

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  • Organization
  • Technician/Technologist
  • Optician

About DR EJ TOMASIK AND ASSOC OPTOMETRISTS

This page provides the complete NPI Profile along with additional information for Dr Ej Tomasik And Assoc Optometrists, a provider established in Cudahy, Wisconsin operating as a Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1811291891 assigned on January 2011. The practitioner's primary taxonomy code is 156FX1800X. The provider is registered as an organization and their NPI record was last updated 15 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's is doing business as Dr Ej Tomasik And Assoc Optometrists. The authorized official of this NPI record is Mrs. Cynthia Tomasik Seemann His,mba (Owner)

NPI
1811291891
Provider Legal Name
DR EDWARD J TOMASIK AND ASSOCIATED OPTOMETRISTS INC
Other Organization Name
DR EJ TOMASIK AND ASSOC OPTOMETRISTS
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
3552 E LAYTON AVE CUDAHY, WI 53110
Location Phone
(414) 744-0449
Location Fax
(414) 744-1315
Mailing Address
PO BOX 100200 3552 E LAYTON AVE CUDAHY, WI 53110
Mailing Phone
(414) 744-0449
Mailing Fax
(414) 744-1315
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
01-05-2011
Last Update Date
01-05-2011
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Location Map

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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MRS. CYNTHIA TOMASIK SEEMANN HIS,MBA

Authorized Official Title
OWNER
Authorized Official Phone
(414) 744-0449

Reviews for DR EJ TOMASIK AND ASSOC OPTOMETRISTS

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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 1811291891, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
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 1 → 2 2 → 4 1 → 2 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 + 2 + 1 + 4 + 9 + 2 + 8 + 1 + 8 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1811291891.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Durable Medical Equipment & Medical Supplies (Customized Equipment)
3552 E LAYTON AVE
CUDAHY, WI 53110
Technician/Technologist (Optician)
3552 E LAYTON AVE
CUDAHY, WI 53110
Hearing Instrument Specialist
3552 E LAYTON AVE
CUDAHY, WI 53110
Specialist
3552 E LAYTON AVE
CUDAHY, WI 53110
Durable Medical Equipment & Medical Supplies (Customized Equipment)
3552 E LAYTON AVE
CUDAHY, WI 53110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811291891, enumerated as an "organization" on January 05, 2011.

The provider is located at 3552 E LAYTON AVE CUDAHY, WI 53110 and the phone number is (414) 744-0449.

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