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Nephrologists in Illinois

Data updated monthly · Last refresh October 2026

569 Nephrology providers practice in Illinois, including 213 (37%) offering telehealth. The largest concentration is in Chicago. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

569providers
213telehealth
Chicagotop city

Nephrology by city in Illinois

Choose a city to see providers there.

Nephrology in Chicago194 providers
Nephrology in Evergreen Park19 providers
Nephrology in Maywood19 providers
Nephrology in Peoria19 providers
Nephrology in Rockford15 providers
Nephrology in Joliet15 providers
Nephrology in Springfield14 providers
Nephrology in Olympia Fields13 providers
Nephrology in Oak Lawn13 providers
Nephrology in Evanston9 providers
Nephrology in Melrose Park9 providers
Nephrology in Crystal Lake9 providers
Nephrology in Park Ridge9 providers
Nephrology in Gurnee9 providers
Nephrology in Elmhurst8 providers
Nephrology in Winfield8 providers
Nephrology in Aurora7 providers
Nephrology in Libertyville7 providers
Nephrology in Highland Park7 providers
Nephrology in Mount Prospect7 providers
Nephrology in Belleville7 providers
Nephrology in Elk Grove Village7 providers
Nephrology in Urbana7 providers
Nephrology in Moline7 providers

Nephrology providers in Illinois

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Gilad Segal, MD
Chicago, IL · No drug or device payments recorded (2025) · (312) 926-2000
Dr. Hamid Humayun, MD
Chicago, IL · $21 in drug and device payments (2025) · (773) 784-2101
Dr. Haresh Muni, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 728-0857
Dr. Ignatius Tang, M.D.
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 704-2885
Dr. Isabelle Dominique Tomacruz, MD
Chicago, IL · No drug or device payments recorded (2025) · (773) 702-3630
Dr. Ivan Begov, MD
Chicago, IL · $413 in drug and device payments (2025) · (312) 942-5352
Dr. Izabella Gurau, MD
Chicago, IL · $57 in drug and device payments (2025) · (773) 484-4330
Dr. James Lash
Chicago, IL · No drug or device payments recorded (2025) · (866) 600-2273
Dr. James Paparello, MD
Chicago, IL · $1,200 in drug and device payments (2025) · Telehealth · (312) 695-0596
Dr. Jane Vernik, M.D.
Chicago, IL · $845 in drug and device payments (2025) · (312) 864-4600
Dr. Jaya Parulekar, MD
Chicago, IL · $230 in drug and device payments (2025) · (312) 926-2000
Dr. Jay Koyner, M.D.
Chicago, IL · $34,721 in drug and device payments (2025) · Telehealth · (773) 702-4842
Dr. Jelena Kovacevic, M.D.
Chicago, IL · $80 in drug and device payments (2025) · (754) 242-2727
Dr. Jennie Lin, MD
Chicago, IL · No drug or device payments recorded (2025) · (312) 695-6868
Dr. Jennifer Ennis, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 355-1700
Dr. Jennifer Lazor, D.O.
Chicago, IL · $26 in drug and device payments (2025) · (312) 829-1424
Dr. Jennifer Tuazon, M.D.
Chicago, IL · $263 in drug and device payments (2025) · Telehealth · (312) 926-4880
Dr. Jerrold Levine
Chicago, IL · $63 in drug and device payments (2025) · (866) 600-2273
Dr. John Ball, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 296-3003
Dr. John Friedewald, MD
Chicago, IL · $10,931 in drug and device payments (2025) · Telehealth · (312) 695-8900
Dr. John Ludwig, M.D.
Chicago, IL · $313 in drug and device payments (2025) · (708) 252-5809
Dr. Juan Jose Cintron Garcia, MD, MPH
Chicago, IL · $84 in drug and device payments (2025) · Telehealth · (312) 942-5904
Dr. Juan Ruiz, M.D
Chicago, IL · $681 in drug and device payments (2025) · (773) 489-6605
Dr. Juhi Bhargava, MBBS
Chicago, IL · No drug or device payments recorded (2025) · (773) 702-3630
Dr. Julia Brown, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (123) 996-6775
Dr. Kalyani Perumal, M.D.
Chicago, IL · $818 in drug and device payments (2025) · (312) 704-2885
Dr. Kana Amari Chinchilla, M.D.
Chicago, IL · $25 in drug and device payments (2025) · (312) 709-0194
Dr. Kareen Simpson, M.D.
Chicago, IL · $210 in drug and device payments (2025) · (773) 770-4824
Dr. Kenneth Kuznetsky, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (773) 348-4640
Dr. Khaleel Sayeed, M.D.
Chicago, IL · $565 in drug and device payments (2025) · (708) 252-5809
Dr. Kireet Agrawal, MD
Chicago, IL · $147 in drug and device payments (2025) · (708) 797-8084
Dr. Ling-xin Chen, M.D.
Chicago, IL · $207 in drug and device payments (2025) · Telehealth · (773) 702-1447
Dr. Lorenzo Gallon, MD
Chicago, IL · $5,856 in drug and device payments (2025) · (312) 695-8900
Dr. Louis Baeseman, MD
Chicago, IL · $251 in drug and device payments (2025) · Telehealth · (773) 702-6134
Dr. Lynn Anderson, MD
Chicago, IL · $160 in drug and device payments (2025) · (773) 763-8400
Dr. Madhav Rao, M.D.
Chicago, IL · $1,041 in drug and device payments (2025) · (312) 423-4200
Dr. Malathi Shah, M.D.
Chicago, IL · $25 in drug and device payments (2025) · (773) 947-7841
Dr. Malgorzata Patro, M.D.
Chicago, IL · $364 in drug and device payments (2025) · (773) 763-8400
Dr. Manal Alotaibi, MBBS
Chicago, IL · No drug or device payments recorded (2025) · (312) 926-2000
Dr. Marco Bonilla, MEDICINE DOCTOR
Chicago, IL · $87,757 in drug and device payments (2025) · Telehealth · (773) 702-1000
Dr. Maria Safar Boueri, M.D.
Chicago, IL · No drug or device payments recorded (2025) · Telehealth · (312) 695-8900
Dr. Maria Sobrero, MD
Chicago, IL · No drug or device payments recorded (2025) · (312) 379-8022
Dr. Mark Leischner, M.D.
Chicago, IL · $314 in drug and device payments (2025) · Telehealth · (773) 756-3333
Dr. Marko Karakadze
Chicago, IL · No drug or device payments recorded (2025) · (888) 824-0200
Dr. Marshall Lindheimer
Chicago, IL · No drug or device payments recorded (2025) · (773) 684-1049
Dr. Martina Isabel Salud, MD
Chicago, IL · $29 in drug and device payments (2025) · (312) 926-2000
Dr. Maruti Bhorade, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 770-2172
Dr. Marvin Sinsakul, M.D.
Chicago, IL · No drug or device payments recorded (2025) · (312) 829-1424
Dr. Mary Hammes
Chicago, IL · No drug or device payments recorded (2025) · (888) 824-0200
Dr. Megan Prochaska
Chicago, IL · $105 in drug and device payments (2025) · Telehealth · (888) 824-0200

Conditions Nephrology providers in Illinois commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Nephrology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Nephrology providers are in Illinois?

There are 569 Nephrology providers with active NPI records practicing in Illinois, according to federal NPPES data refreshed monthly.

Do Nephrology providers in Illinois offer telehealth?

Yes. 213 of the 569 Nephrology providers in Illinois (about 37%) report offering telehealth services in CMS data.

Which cities in Illinois have the most Nephrology providers?

Chicago (194), Evergreen Park (19), Maywood (19) have the highest concentration of Nephrology providers in Illinois.

How many Nephrology providers in Illinois received drug or device company payments?

359 of 569 Nephrology providers in Illinois (63%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Nephrology providers in Illinois treat?

Nephrology providers commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Nephrologists in Illinois work in independent practices or large health systems?

Among 412 Nephrologists in Illinois enrolled in Medicare, 19% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 64% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Nephrologists in Illinois work at?

According to CMS facility affiliation records, the Illinois hospitals where the most Nephrologists hold privileges are Northwestern Medicine Central Dupage Hospital in Winfield; Northwestern Memorial Hospital in Chicago; Palos Community Hospital in Palos Heights.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Nephrology in Illinois? Get featured.