Nephrology Associates of Northern Illinois and Indiana (NANI)
Nephrology • Mattoon, IL • Since 1968
About
Nephrology Associates of Northern Illinois and Indiana (NANI) is a private, hospital/health care group founded in 1968 and headquartered in Oak Brook, Illinois. It is the largest nephrology practice in the region, with over 125 physicians across 28 U.S. offices, including locations in Illinois and Indiana (and a presence cited in New Jersey). NANI provides comprehensive kidney disease and hypertension care and operates as a large multi-office network. The provided materials list general company details (industry, size, contacts) but do not indicate a Mattoon, Illinois-specific NANI office or services. If you’re seeking a Mattoon location, you may want to contact NANI’s main offices or check their website for a current office locator.
Clinic Type
Nephrology
Address
120 W. 22nd St., Oak Brook, IL 60523, US
Phone
630-573-5000
OCRComplaint@hhs.gov
Opening Hours
Not published — contact the clinic to confirm hours.
Website
Telehealth
Yes (in-office and telehealth appointments mentioned)
Services Offered
—
Insurance & Payment
—
Languages Spoken
—
FAQs
What services does Nephrology Associates of Northern Illinois and Indiana (NANI) provide?
Comprehensive kidney care with innovative diagnostic and therapeutic strategies, emphasis on early intervention and wellness, and a person-centered approach.
Do you offer telehealth appointments?
Yes, we offer both in-office and telehealth appointments.
Which insurances are accepted?
They accept most major insurance plans.
What is the contact phone number?
630-573-5000
What is the web address for Billing questions?
https://nephdocs.com/billing-questions/
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- LocalityBiz, Healthgrades: Varied experiences ranging from 1 to 5 stars depending on the specific office location and provider (Varies significantly by individual provider and office location; no single aggregate rating exists for the entire network)
Patients praise
- Providers described as thorough, knowledgeable, caring, and good listeners
- Staff noted for being professional, compassionate, and helpful in some instances
- Modern facilities and efficient use of online patient portals for scheduling and refills
Common complaints
- Reports of rude, unaccommodating, or condescending behavior from some office staff and specific providers
- Concerns regarding billing department processes and inaccuracies
- Frustration with administrative policies regarding doctor selection or follow-up procedures
"Terrible customer/patient service! Staff is rude and not very accommodating... Avoid Dr. Choi if at all possible he is extremely rude and very condescending!"
— Review on LocalityBiz regarding Merrillville office"The billing department is another matter. It's been almost a year, and the staff still cannot get my balance due correct. I quit going there because of the frustration."
— Review on LocalityBiz regarding Gurnee office"Dr. Katrina Wright is beyond awesome. She is knowledgeable, informed, and obviously loves her profession... The office in Merrillville is beautifully decorated and very modern."
— Review on LocalityBiz regarding Merrillville officeSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- LeShundrea Owens — Jun 26, 2026
- Rachel Hiple — Jul 2, 2026
- Lauren Tedesco — Jul 2, 2026
- Heather Dague — Jul 4, 2026
- Donna Romero — Jun 21, 2026
Information sourced from the clinic's website as of July 11, 2026.
More nephrology clinics in Mattoon
Summary: The Sarah Bush Lincoln health system in Mattoon, Illinois, is a nonprofit hospital network offering a broad range of services including nephrology. While the provided highlights detail general hospital care (cancer, cardiology, orthopedics, imaging, pediatrics, women's health) and the system’s two-hospital structure with a wide clinic footprint, there is no specific information about a nephrology department or nephrology services at Sarah Bush Lincoln Mattoon. For nephrology-specific care, contact the main campus or publicrelations@sblhs.org, or call (217) 258-2525 to confirm available nephrology clinics, specialists, and scheduling.
RenalCare Associates SC is a private medical practice focused on nephrology, founded in 1975 and headquartered in Peoria, Illinois. The organization provides renal care for kidney disease and related conditions, with a presence noted in Italy. It employs about 10 people and operates under the aliases RenalCare Associates SC and RenalCare Associates. The site is renalcareassoc.com. There is no specific Mattoon location listed in the provided details.
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