UHLMENN OPTICAL OF ILLINOIS, INC.
NPI 1023184165
Technician/Technologist - Optician in Chicago, IL
NPI Status: Active since November 28, 2006
Contact Information
100 W RANDOLPH ST
SUITE 104
CHICAGO, IL
ZIP 60601
Phone: (131) 226-3490
Fax: (131) 226-3493
- Organization
- Technician/Technologist
- Optician
About UHLMENN OPTICAL OF ILLINOIS, INC.
This page provides the complete NPI Profile along with additional information for Uhlmenn Optical Of Illinois, Inc., a provider established in Chicago, Illinois operating as a Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1023184165 assigned on November 2006. The practitioner's primary taxonomy code is 156FX1800X. The provider is registered as an organization and their NPI record was last updated one year ago. Uhlmenn Optical Of Illinois, Inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Mr. Edward Lawrence Iwinski Owner (Vice President)
- NPI
- 1023184165
- Provider Name
- UHLMENN OPTICAL OF ILLINOIS, INC.
- Entity Type
- Organization
- Location Address
- 100 W RANDOLPH ST SUITE 104 CHICAGO, IL 60601
- Location Phone
- (131) 226-3490
- Location Fax
- (131) 226-3493
- Mailing Address
- 100 W RANDOLPH ST SUITE 104 CHICAGO, IL 60601
- Mailing Phone
- (131) 226-3490
- Mailing Fax
- (131) 226-3493
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 11-28-2006
- Last Update Date
- 09-11-2025
- Code Navigator
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.
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) |
|---|---|---|---|---|
| 1 | 152W00000X | Eye and Vision Services Providers | Optometrist | (IL) |
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 1023184165, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 55 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1023184165, enumerated as an "organization" on November 28, 2006.
The provider is located at 100 W RANDOLPH ST SUITE 104 CHICAGO, IL 60601 and the phone number is (131) 226-3490.
Technician/Technologist with taxonomy code 156FX1800X and a focus in Optician.
