ILLIANA MEDICAL CENTER
NPI 1134145493
Clinic/Center - Medical Specialty in Chicago, IL
NPI Status: Active since July 13, 2006
Contact Information
3550 E 118TH ST
CHICAGO, IL
ZIP 60617
Phone: (773) 646-9800
Fax: (773) 646-9801
NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Organization
- Clinic/Center
- Medical Specialty
About ILLIANA MEDICAL CENTER
This page provides the complete NPI Profile along with additional information for Illiana Medical Center, a provider established in Chicago, Illinois operating as a Clinic/center, focusing in medical specialty . The healthcare provider is registered in the NPI registry with number 1134145493 assigned on July 2006. The practitioner's primary taxonomy code is 261QM2500X. The provider is registered as an organization and their NPI record was last updated 6 years ago. The provider's is doing business as Illiana Medical Center. The authorized official of this NPI record is Mr. Ossama Hosney Zorub M. D. (Owner)
- NPI
- 1134145493
- Provider Legal Name
- ILLIANA PHYSICIANS GROUP
- Other Organization Name
- ILLIANA MEDICAL CENTER
- Other Name Type
- Doing Business As (3)
- Entity Type
- Organization
- Location Address
- 3550 E 118TH ST CHICAGO, IL 60617
- Location Phone
- (773) 646-9800
- Location Fax
- (773) 646-9801
- Mailing Address
- 3550 E 118TH ST CHICAGO, IL 60617
- Mailing Phone
- (773) 646-9800
- Mailing Fax
- (773) 646-9801
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-13-2006
- Last Update Date
- 08-22-2020
- 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
Clinic/Center Medical Specialty
- Taxonomy Code
- 261QM2500X
- Type
- Ambulatory Health Care Facilities
- License State
- IL
- Taxonomy Description
- An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
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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 1134145493, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1134145493, enumerated as an "organization" on July 13, 2006.
The provider is located at 3550 E 118TH ST CHICAGO, IL 60617 and the phone number is (773) 646-9800.
Clinic/Center with taxonomy code 261QM2500X and a focus in Medical Specialty.
