NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD.
NPI 1124069182
Internal Medicine - Nephrology in Oak Brook, IL
NPI Status: Active since June 09, 2006
Contact Information
120 W 22ND ST STE 200
OAK BROOK, IL
ZIP 60523
Phone: (630) 575-5000
- Organization
- Internal Medicine
- Nephrology
- Accepts Insurance
- CLIA Number: 14D1005883
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 10-31-2026
About NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD.
This page provides the complete NPI Profile along with additional information for Nephrology Associates Of Northern Illinois, Ltd., an internist established in Oak Brook, Illinois operating as a Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1124069182 assigned on June 2006. The practitioner's primary taxonomy code is 207RN0300X. The provider is registered as an organization and their NPI record was last updated February 2026. 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
- NPI
- 1124069182
- Provider Legal Name
- NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD.
- Other Organization Name
- Other Name Type
- (6)
- Entity Type
- Organization
- Location Address
- 120 W 22ND ST STE 200 OAK BROOK, IL 60523
- Location Phone
- (630) 575-5000
- Mailing Address
- 120 W 22ND ST OAK BROOK, IL 60523
- Mailing Phone
- (630) 573-5000
- Mailing Fax
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 06-09-2006
- Last Update Date
- 02-04-2026
- Code Navigator
An internist like Nephrology Associates Of Northern Illinois, Ltd. is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Secondary Locations
- 2055 W Army Trail Rd Ste 110N
Addison, IL 60101
(773) 284-9247 - 412 63rd St Ste 100
Downers Grove, IL 60516
(331) 775-2783 - 1600 N Randall Rd Ste 135
Elgin, IL 60123
(847) 531-5911 - 2850 W 95th St Ste 300
Evergreen Park, IL 60805
(773) 735-4884 - 9125 S Pulaski Rd
Evergreen Park, IL 60805
(708) 422-7715 - 800 Biesterfield Rd Bldg Ste 101
Elk Grove Village, IL 60007
(847) 427-7100 - 910 Greenlee St Unit B
Marengo, IL 60152
(815) 301-1001 - 1345 Edwards St Ste 3
Morris, IL 60450
(815) 905-2209 - 675 W North Ave Ste 402
Melrose Park, IL 60160
(708) 450-4551 - 6307 S Stewart Ave Ste 210
Chicago, IL 60621
(773) 483-2200 - 251 N Cass Ave Ste 100
Westmont, IL 60559
(630) 963-0309 - 390 E Congress Pkwy Ste C
Crystal Lake, IL 60014
(815) 301-1001 - 15 S McHenry Rd Fl 2
Buffalo Grove, IL 60089
(847) 439-8780 - 10370 Haligus Rd Ste 103
Huntley, IL 60142
(847) 531-5911 - 800 Biesterfield Rd Ste G01
Elk Grove Village, IL 60007
(847) 981-3680 - 901 Biesterfield Rd Ste 310
Elk Grove Village, IL 60007
(847) 952-9332 - 2701 W 68th St
Chicago, IL 60629
(773) 735-4884 - 104 S Ashland Ave
Chicago, IL 60607
(312) 850-8434 - 2740 W Foster Ave Ste 405
Chicago, IL 60625
(872) 208-7619 - 601 W Golf Rd Ste 105
Mount Prospect, IL 60056
(847) 439-8780 - 1625 E 75th St Ste 328
Chicago, IL 60649
(773) 947-7841 - 1890 Silver Cross Blvd Ste 415
New Lenox, IL 60451
(815) 717-8750 - 3100 Theodore St Ste 201
Joliet, IL 60435
(815) 905-2209 - 6948 W Windsor Ave
Berwyn, IL 60402
(708) 749-4617 - 2222 W Division St Ste 260
Chicago, IL 60622
(708) 252-5809 - 28160 W Northwest Hwy Ste 105
Lake Barrington, IL 60010
(815) 301-1001 - 12250 S Cicero Ave Ste 112
Alsip, IL 60803
(708) 371-5308 - 1345 Ryan Pkwy
Algonquin, IL 60102
(847) 531-5911 - 1555 N Barrington Rd Ste 3400
Hoffman Estates, IL 60169
(847) 952-9332 - 1425 N Hunt Club Rd Ste 301
Gurnee, IL 60031
(847) 855-9152 - 1475 E Belvidere Rd Ste 317
Grayslake, IL 60030
(847) 855-9152 - 2560 Hauser Ross Dr Ste 450
Sycamore, IL 60178
(815) 301-1001 - 1875 W Dempster St Ste 605
Park Ridge, IL 60068
(847) 439-8780 - 13755 Cicero Ave
Crestwood, IL 60418
(708) 388-0499 - 6438 Joliet Rd Ste 203
Countryside, IL 60525
(708) 352-5222 - 16605 107th St
Orland Park, IL 60467
(708) 226-9860
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
Internal Medicine Nephrology
- Taxonomy Code
- 207RN0300X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
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.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Complete Gold - EPO
- Complete Gold + Vision + Adult Dental - EPO
- Complete Silver - EPO
- Complete Silver + Vision + Adult Dental - EPO
- Elite Bronze - EPO
- Elite Bronze + Vision + Adult Dental - EPO
- Everyday Bronze - EPO
- Everyday Bronze + Vision + Adult Dental - EPO
- Everyday Gold - EPO
- Everyday Gold + Vision + Adult Dental - EPO
- Complete Gold - HMO
- Complete Gold + Vision + Adult Dental - HMO
- Elite Bronze - HMO
- Elite Bronze + Vision + Adult Dental - HMO
- Elite Gold - HMO
- Elite Gold + Vision + Adult Dental - HMO
- Everyday Bronze - HMO
- Everyday Bronze + Vision + Adult Dental - HMO
- Everyday Gold - HMO
- Everyday Gold + Vision + Adult Dental - HMO
- Clear Gold - EPO
- Clear Gold + Vision + Adult Dental - EPO
- Complete Gold - EPO
- Complete Gold + Vision + Adult Dental - EPO
- Elite Silver - EPO
- Elite Silver + Vision + Adult Dental - EPO
- Everyday Bronze - EPO
- Everyday Bronze + Vision + Adult Dental - EPO
- Focused Silver - EPO
- Focused Silver + Vision + Adult Dental - EPO
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| C30486 | OTHER (01) | IL | RR-GROUP COOK |
| 1616108 | OTHER (01) | IL | BLUE CROSS BLUE SHIELD |
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 14D1005883
- Facility Type
- Physician Office
- Certificate Effective Date
- November 01, 2024
- Certificate Expiration Date
- October 31, 2026
- Laboratory Director
- GEORGE NARATADAM
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Nephrology Associates Of Northern Illinois, Ltd. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
Reviews for NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS, LTD.
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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 1124069182, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
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 58 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124069182, enumerated as an "organization" on June 09, 2006.
The provider is located at 120 W 22ND ST STE 200 OAK BROOK, IL 60523 and the phone number is (630) 575-5000.
Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.
The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health,. Please consult your insurance carrier or call the provider to verify.
